ManTech is seeking a motivated, career and customer-oriented SeniorNetwork Area Storage (NAS) Engineer, to join our team in Columbia, Maryland. Responsibilities include, but are not limited to the following: Design, deploy, and manage enterprise storage systems, ensuring high availability, redundancy, and disaster recovery capabilities across multiple data centers and physical sites.Configure, monitor, and optimize storage solutions to meet performance, capacity, and scalability requirements while minimizing downtime and ensuring data integrity.Manage storage protocol, ensuring proper configuration and integration with VMware and physical servers.Perform regular infrastructure assessments, updates, and patches on storage systems to ensure optimal performance, security, and compliance with industry best practices and organizational standards.Troubleshoot storage-related issues, including performance bottlenecks, connectivity issues, and data access problems, utilizing root cause analysis techniques.Collaborate with cross-functional teams (networking, virtualization, cloud, and security) to design and implement storage solutions that meet project requirements and align with organizational goals.Design and implement disaster recovery and backup solutions for enterprise storage environments.Develop and maintain documentation related to storage architecture, procedures, and configurations, ensuring compliance with industry standards and organizational policies.Evaluate and recommend new storage technologies and solutions to enhance system performance, efficiency, and scalability, keeping up to date with emerging trends and vendor offerings.Support security initiatives to protect enterprise storage systems, ensuring compliance with applicable security policies, regulations, and best practices.Minimum/Basic Qualifications:Fifteen (15) years' experience in storage operations / storage engineering.Bachelor of Science (BS) Degree from an accredited university in a technical field is required. Five (5) additional years of experience in storage operations may be considered in lieu of degree.IAT II level certification or the ability to obtain within 60 days of start.Preferred Qualifications: Twenty (20) years' experience in overall storage operations or storage architecture. Of that, ten (10) years of experience must be in the specific storage technology that is in the customer environment.StorageTek Enterprise Level experience preferred.Knowledge and understanding of protocols, such as S3, CIFS, NFS, ISCSI, and Fiber Channel for Block Storage (SAN).Proficiency with backup platforms, to include Veritas NetBackup, Cohesity, Rubrik, and Commvault.Proficiency in Networked Attached Storage (NAS) systems, such as Oracle Solaris Unix, HP Greenlake/VAST, Oracle ZFS, DELL, NETAPP Cluster.Experience in performance tuning as well as optimizing storage and backup environments.Experience with data center migrations and storage replication technologies.Experience connecting storage arrays to Hypervisor Technologies (NUTANIX, VMWARE VCF, OpenStack).Clearance Requirements: Must have a current/active Top Secret/SCI with PolygraphPhysical Requirements: Sedentary work, speaking, standing, talking, walking, working with computers, working with data, working with numbers and figures, ability to handle stress & work under pressure, ability to use MS Office and a PC, analytical or critical thinking skills, leadership and listening skills, multi-tasking, ability, negotiating skills, oral & written communication skills, presentation skills, project management ability and skills, computer operating skills, and team building skills6.26.BP.SH.AB.AL.23

ManTech is seeking a motivated, career and customer-oriented Database Engineer (DBE), to join our team in Laurel, Maryland. Join ManTech’s mission-focused national security team delivering enterprise infrastructure capabilities for a global workforce. This role will support the Intelligence Community’s Enterprise Information Technology (EIT) platform in Maryland. This role support infrastructure associated with Data Center & Computing Services, Integrated Product Teams (IPT), and vendors to deliver services to ManTech’s customers in the IC. Responsibilities:Lead development of databases, database parser software, and database loading software, to include database structures that fit into the overall architecture of the system under development.Support the database design, development, implementation, information storage and retrieval, data flow and analysis activities.Assist in developing databases, database parser software, and database loading software.Develop requirement recommendations from a project’s inception to its conclusion for a particular Business and IT subject matter area (i.e. simple to complex systems).Direct fulfillment of requirements from a project’s inception to it conclusion.Direct organization of requirements and data into a usable database schema by directing development of ad hoc queries, scripts, macros, updates to existing queries.Direct the development of complex systems using queries, tables, Open Database Connectivity and database storage and retrieval using Cloud methodologies.Minimum Qualifications:Ten (10) years’ experience as a DBE in programs and contracts of similar scope, type, and complexity is required.Bachelor’s degree in a technical discipline from an accredited college or university. Five (5) years of additional DBE experience may be substituted for a bachelor’s degree.Experience with Oracle Database12c/19c and later, PostGreSQL, and MySQLPreferred Qualifications: Experience with Oracle Enterprise Manager/Cloud Control and Oracle ExadataClearance Requirements: Must have a current active Top Secret/SCI with PolygraphPhysical Requirements: Sedentary work, speaking, standing, talking, walking, working with computers, working with data, working with numbers and figures, ability to handle stress & work under pressure, ability to use MS Office and a PC, analytical or critical thinking skills, leadership and listening skills, multi-tasking, ability, negotiating skills, oral & written communication skills, presentation skills, project management ability and skills, computer operating skills, and team building skills6.26.BP.SH.AB.AL.23

ManTech is seeking a motivated, career and customer-oriented Software Engineer to join our team in Laurel, Maryland. The position is part of a team that provides development support for an organization that is tasked with dissemination of data to various customers within the Intelligence Community.Responsibilities include, but are not limited to:Developing, maintaining, and enhancing software systemsReviewing and testing software componentsResolving software problem reportsUtilizing software development and software design methodologies appropriate to the development environmentDesign and code new software or modify existing software to add new featuresIntegrate existing software into new or modified systems or operating environmentsWrite or review software and system documentationAssist with developing and executing test procedures for software componentsEnsure quality control of all developed and modified softwareDebug existing software and correct defectsBasic Qualifications:Bachelor's degree in a STEM field and 2 years of experience, or four (4) additional years of experience are required in lieu of degree.Ability to obtain one of the following certifications within 6 months of commencing work on the Task Order: Security+ CE, CySA+, GICSP, Security+ CE, CND, or SSCPPreferred Qualifications:Proficiency in Java 8+ and Spring Boot for building scalable, high-performance backend systems.Familiarity with REST APIs for building and consuming web services.Knowledge of Apache Maven for build automation and dependency management.Experience with Git for version control and collaborative development.Expertise with Docker for containerization and application deployment.Proficiency in Linux (BASH) for server management and scripting.Knowledge of Apache NiFi for automating and managing data flows.Security Clearance Requirements:Must have a current/active TS/SCI with polygraphPhysical Requirements:Must be able to remain in a stationary position 50%.Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentations.

ManTech is seeking a Cloud Software Engineers to join our team in the Ft. Meade, MD area. In this role, you will develop, maintain, and enhance complex and diverse Big-Data cloud systems based upon documented requirements.Responsibilities include, but are not limited to:Design and develop software solutions using Kubernetes.Collaborate with team members to determine best practices and client requirements for software.Develop high-quality software design and architecture.Identify, prioritize and execute tasks in the software development life cycle.Develop tools and applications by producing clean, efficient code.Automate tasks through appropriate tools and scripting.Review and debug code.Perform validation and verification testing.Collaborate with internal teams and vendors to fix and improve products.Document development phases and monitor systems.Minimum Qualifications:Bachelor's Degree from an accredited college or university in Computer Science or related discipline from an accredited college or university is required Or 4 additional years of experience may be substituted in lieu of a degree.3 years of experience in software development/engineering in programs and contracts of similar scope, type, and complexity.Strong programming skills in one or more languages (e.g. Go, Python, Java)Familiarity with CI/CD pipelines and GitOps principlesHands-on experience with container technologies (Docker, containerd) and orchestration tools (Kubernetes, Helm).Certification requirements:One or more of the following is required or must be able to obtain one:AWS Certified Solutions Architect AssociateAWS Certified SysOps AdministratorAWS Certified Solutions Architect ProfessionalAWS Certified DevOps Engineer ProfessionalCertified Kubernetes Application DeveloperCertified Kubernetes AdministratorClearance Requirements:Must have current/active TS/SCI w PolygraphPhysical Requirements:Must be able to remain in a stationary position 50%.Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations.

ManTech is seeking a motivated, career and customer-oriented Test Engineer to join our team in Hanover, Maryland. The position is part of a team that provides software development support for an organization that is tasked with dissemination of data to various customers within the Intelligence Community.Responsibilities include, but are not limited to:Managing project artifactsDetermining appropriate project methodologies and practicesDesigning, developing, and implementing test plans, test cases, and test processesPerforming User Interface testing against requirementsDefining test strategies for future capabilitiesIdentifying data to be used during testingDeveloping automation tests using Visual Studio and CypressDeveloping automation tests using Eclipse and JavaWorking in GIT to push/pull automation test scriptsExperience in testing for accessibilityBasic Qualifications:Bachelor’s degree and 5 years of experience, or 9 years of total experienceOne of the following technical certifications or equivalent:DAWIA – Test and Evaluation – Level 2Certification Equivalence – 2 years of additional years of experience and completed Test and Evaluation trainingSecurity Clearance Requirements:Must have current/ active TS/SCI with polygraphPhysical Requirements:Must be able to remain in a stationary position 50%.Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations.TeleworkTelework may be authorized, up to 50% per week

ManTech is seeking a motivated, career and customer-oriented Lead CNO Test Engineer to join our team in Hanover, MD.Responsibilities include, but are not limited to:As a Lead CNO Test Engineer, you will work in agile environment and leverage your skills in Systems Engineering, Test Engineering, and Networking to devise operational scenarios, performance tests, and support operations.You will be a contributing member of a small multi-disciplinary team and responsible for characterizing system behavior, analyzing performance and contribute to readiness reviews and product release cycles.You must be able to effectively communicate with the technical team, management, and customer to keep them informed of progress, plans and potential issues.You may be expected to collaborate with other organizations and teams to gain the necessary insight to accurately assess system performance.Minimum Qualifications:Bachelor’s Degree or equivalent in Computer Science, Engineering, or Information Technology and 10+ years of relevant experience, 14+ years relevant experience in lieu of a degree.Experience testing large scale systems.Experience developing System Test Plans, Requirements Test Verification Matrices and System Test Cases.Experience working with, configuring, and testing embedded systems.Participation in system test readiness reviews and operation readiness reviews.Knowledge of networks and IP subnets/routing is required. Ability to configure network interfaces, set IP addresses and subnets.Experience creating and configuring Virtual Machines to emulate operational environments.Familiarity with basic VLAN/VPN/NAT concepts.Familiarity with signal analysis tools such as Wireshark.Development experience using Python, Ruby, or JavaScript.Familiarity with the Linux operating system.Experience working in an Agile environment utilizing the Atlassian suite.Preferred Qualifications:Experience testing systems that host Real-Time Operating Systems such as VxWorks, Integrity, eCos or POSIX compliant Operating Systems such as Solaris or BSD.Familiarity with SVN or GIT version control systems along with an understanding of basic Configuration Management principles.Experience with network test equipment such as Spirent/Ixia/Xena packet testers.Security Clearance Requirements:Active/Current TS/SCI with Polygraphis required to startPhysical Requirements:Sedentary work that primarily involves sitting/standing/walking/talking and must be able to remain in a stationary position 50%.Moving about to accomplish tasks or moving from one work site to another (at customer site).Communicating with others to exchange information and frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.Working with computers.

ManTech is seeking a motivated, career and customer-orientedCNO Python SoftwareEngineer to join our team in the Hanover, Maryland location. Provides specialized testing and evaluation capabilities tailored to system functions.Responsibilities include, but are not limited to:Ability to demonstrate solid knowledge of Python and XML.Performing system and subsystem definition, preliminary and detailed design, design implementation, and subsystem and system integration and tests for a system.Researching requirements for a product, including CNO deployment environment, performance criteria, and competitive issues.Designing ideas for new capabilities or recommendations for improvements to existing capabilities.Demonstrated knowledge of multiple software development methodologies (e.g., Scrum, TDD, Waterfall).Determining computer user needs; analyzes system capabilities to resolve problems on program intent, output requirements, input data acquisition, programming.Ensuring software standards are met.Modifying existing software to correct errors, to adapt to new requirements, or to improve performance.Debugging and troubleshooting softwarePerforming quality control on team products.Coordinating and performing software deployments for developed products.Minimum Qualifications:Bachelor’s Degree in Computer Science or related field from an accredited college or University7 years of programming required (with a bachelor's degree) or, in lieu of a degree, 11 years of programming experienceExperience with PythonExperience with build environments such as Gradle or MavenExperience with Object Oriented Analysis and DesignFamiliarity with Software Version ControlKnowledge of CNO environmentKnowledge of agile software development methodologyKnowledge of XML or XSLTPreferred Qualifications:Experience with SQL and NoSQL databasesSubversion/GIT experienceAtlassian Tools (Confluence, Jira, Bamboo, Crucible)Strong problem-solving skillsSecurity Clearance Requirements:Must have a active/current TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position 50% of the timeConstantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentationsRepetitive Motions

Currently, ManTech is seeking a motivated, career and customer-orientedCNO Java Software Engineerto join our team in theHanover, Maryland location. Provides specialized testing and evaluation capabilities tailored to system functions.Responsibilities include, but are not limited to:Ability to demonstrate solid knowledge of Java 8 or higher.Performing system and subsystem definition, preliminary and detailed design, design implementation, and subsystem and system integration and tests for a system.Researching requirements for a product, including CNO deployment environment, performance criteria, and competitive issues.Designing ideas for new capabilities or recommendations for improvements to existing capabilities.Demonstrated knowledge of multiple software development methodologies (e.g. Scrum, TDD, Waterfall).Determining computer user needs; analyzes system capabilities to resolve problems on program intent, output requirements, input data acquisition, programming.Ensuring software standards are met.Modifying existing software to correct errors, to adapt to new requirements, or to improve performance.Debugging and troubleshooting softwarePerforming quality control on team products.Coordinating and performing software deployments for developed products.Basic Qualifications:Bachelor’s Degree in Computer Science or related field from an accredited college or University with 7 years of programming required, OR 11 years of programming experience in lieu of a degree.Experience with Java 8 or higherExperience with build environments such as Gradle or MavenExperience with Object Oriented Analysis and DesignFamiliarity with Software Version ControlKnowledge of CNO environmentKnowledge of agile software development methodologyKnowledge of XML or XSLTKnowledge of JSONPreferred Qualifications:Experience with Spring CloudExperience with Spring BootExperience with KafkaExperience with Subversion/GITExperience with Elastic / KibanaExperience using VMWare, preferably ESXExperience with Docker, KubernetesAtlassian Tools (Confluence, Jira, Bamboo, Crucible)Strong problem-solving skillsSecurity Clearance Requirements:Must have an active and current TS/SCI with Polygraph clearance.Physical Requirements:Ability to remain stationary for extended periods (50% of the time) and operate computer equipment and office machinery.Regular communication with co-workers, management, and customers.If you are a highly motivated individual with the skills and experience, we are looking for, we encourage you to apply for this exciting opportunity. Join our team and contribute to the advancement of mission-critical technology solutions that make a difference in our nation's security.

Become an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first.At ManTech International Corporation, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.Currently, ManTech is seeking a motivated, career and customer-oriented Asset ManagementQuality Assurance Engineerto join our team in theHanover, Maryland location.Responsibilities include, but are not limited to:Maintain mobile device library containing phones, tablets, and laptopsMaintain a mobile device lab capable of assisting with software capability developmentBasic Qualifications:Minimum five (5) years of work experience in Quality Assurance supporting Government contracts.Understanding and application of government documentation standards.Able to work independently or under only general direction on application problems involving all phases of systems analysis.Solid understanding of quality assurance methods and techniques to include reviews of the following: concept of operations documentation, requirements, project plans, cost and schedule analysis, source code, test plans/procedures, configuration management, installation plans/procedures, and training requirements.Must be a detail-oriented, self-starter withgeneral inventory asset management experience.Effective communication skills.Preferred Qualifications:Bachelor’s Degree preferred, but not requiredApple OSX familiarityBasic Mobile Technology knowledgeBasic Apple/Android knowledgeAtlassian JIRA experienceSnipeIT experienceSecurity Clearance Requirements:Active and current TS/SCI with PolygraphPhysical Requirements:Ability to remain stationary for extended periods (50% of the time) and operate computer equipment and office machinery.Regular communication with co-workers, management, and customers.

ManTech is seeking a motivated, career and customer-oriented Information System Security Engineer (ISSE) to join our team in Linthicum Heights, MD. This role is vital for ensuring the confidentiality, integrity, and availability of systems within secure environments.The ISSE will provide cybersecurity and systems engineering support to:Link Encryptor Family (LEF) development, evaluation and certification efforts.Ensure interoperability between LEF implementations by specifying requirements and verifying compliance. Develop new versions of the LEF Cryptographic Interoperability Specification (LEFCIS) and maintain existing versions.Provide laboratory engineering support and participate in planning, setup, testing, and reporting of security, functionality, interoperability, and conformance testing of LEF products.Minimum requirements needed to qualify for the role:Fourteen years experience as an ISSE on programs and contracts of similar scope, type, complexity within the Federal Government is required.Bachelor’s degree in computer science, Information Assurance, Information Security System Engineering or related discipline from an accredited college or university is required.Four years of additional ISSE experience may be substituted for a bachelor’s degree.DoD 8570 compliance with IASAE Level 2 is required, CISSP CertificationUnderstanding of encryption technologies and cryptographic principles.Knowledge of system certification and accreditation (C&A) processes.Experience in performing vulnerability assessments, threat modeling, and risk analysis.Knowledge of network devices, including routers, switches, firewalls, and intrusion detection/prevention systems.Understanding of networking concepts and protocols, including serial communications (EIA-530, EIA-422/423, EIA-232, EIA-644), TCP/IP, HTTP/S, SSL/TLS, and RESTCONF/YANG.Knowledge of Operating Systems, including Linux, Windows and VMwarePreferred Qualifications:Deep understanding of symmetric and asymmetric key management techniques and principles.Experience with encryptors, secure communications, and cryptographic product evaluation.Familiarity with the agency’s Information Assurance Security Requirements Directive (IASRD) and Security Evaluation Requirements Document (SERD) requirements and security methods necessary to meet requirements.Experience reviewing and analyzing security documentation required to obtain agency certificationExperience with test equipment and analysis tools, including oscilloscopes, logic analyzers, network sniffers, and LAN/WAN testers.Experience with installation, configuration, and use of Link Encryptor Family devices, including KIV-7M.Knowledge of Tactical Data Links, such as Link-11, Link-16, and Link-22.Knowledge of satellite system Ground Operating Equipment encryptors, such as MYK-15A, MYK-16B, MYK-17B, and GRYPHON.Knowledge of the Link Encryptor Family Cryptographic Interoperability Specification (LEFCIS).Experience in the development and operation of LEFCIS compliant products.Experience developing Operational Security Doctrine and policies that define cybersecurity objectives for the protection and use of LEF devices.Experience in designing security solutions to mitigate risks and ensure compliance with government regulations (e.g., RMF, FISMA, NIST 800-53).Certifications relevant to Linux or specific networking technologies are a plus (e.g., RHCSA, RHCE, or CCNA).Clearance Requirements:Must have a current/active TS/SCI w/ PolygraphPhysical Requirements:Must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.

Currently, ManTech is seeking a Sr. Cryptographic Software Evaluator/Engineer to join our team in Linthicum Heights, MD. This role is vital for ensuring the confidentiality, integrity, and availability of systems within secure environments. Key competencies and qualifications for a well-rounded Software Evaluator/Engineer with a cybersecurity focus.Proficiency in C and C++ for low-level system programming and cryptographic algorithm implementationExpertise in Python for automation and scriptingExperience with Java to design, create, test, and maintain software applicationsKnowledge of Rust and development of secure, memory-safe applicationsExperience with Linux-based operating systems, including system configuration, scripting, and secure developmentDeep understanding of cryptographic principles, including:Symmetric and asymmetric encryption algorithms (e.g., AES, RSA, ECC).Knowledge of various cryptographic modes, including their strengths and weaknessesIntegrating cryptographic modes into software applications using cryptography libraries, ensuring correct usage and parameterizationBackground with cryptographic concepts including block ciphers and key management.Experience with encryptors, secure communications, and cryptographic product evaluationExperience with front-end development and secure web interfacesFamiliarity with static and dynamic code analysis toolsUnderstanding of network protocols and security concepts, including; TCP/IP, SSL/TLS, and RESTCONF/YANGAbility to design and evaluate secure network communicationsConduct risk assessments, security audits, and vulnerability assessments on systems and applicationsEnsure systems comply with applicable DoD, IC, and other regulatory requirements.Minimum requirements needed to qualify for the role:Eight years of Software development/evaluation experienceIn lieu of eight years of software development/evaluation experience candidates will have a Bachelor’s degree in Computer Science, Engineering or Computer Engineering plus five years of Software development/evaluation experience.Candidate may also have a Master’s degree in computer science, Engineering or Computer Engineering plus three years of SW development/evaluation experienceExperience in secure coding practices, vulnerability mitigation, and secure software lifecycle management.Ability to evaluate cryptographic implementations for correctness, security, and performance.Understanding of FIPS 140-3, Common Criteria, and other cryptographic certification processes.Experience with Linux operating systems, particularly:Administration, configuration, and scripting in Linux environments.Key management, hashing, and digital signatures.Preferred Qualifications:Certified Information Systems Security Professional (CISSP), Certified Ethical Hacker (CEH), or equivalent.Certifications related to cryptographic technologies or Linux systems, such as Linux+ or RHCE.Clearance Requirements:Must have a current/active TS/SCI w/ PolygraphPhysical Requirements:Must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.

ManTech is seeking a motivated, career and customer-oriented Hardware Engineer to join our team in Ft. Meade, Maryland. This position is part of a team that provides engineering and Information Technology services to provision, manage, sustain, innovate, modernize, refresh, reengineer, and secure the Nuclear Command and Control (NC2) and Non-NC2 cryptographic production infrastructure.Responsibilities include, but are not limited to:Preparing functional requirements and specification for hardware acquisitionsAnalyzing hardware specifications and system/subsystem requirements to conceive and document a practical design for hardware components to include servers, network devices, transmission media, storage devices, user interface devices, and special processors.Ensuring problems with operational hardware have been properly identified and solutions satisfy user’s requirements.Assisting with preparing installation guides, field test procedures, and troubleshooting guides.Conduct site surveys; assesses and documents current site network configuration and site-unique requirements.Developing hardware installation schedules based upon set-up, integration, and test timeliness.Training site personnel in proper use of hardwareRecommending specifications for hardware acquisitionsPreparing engineering plans and site installation Technical Design PackagesPreparing drawings documenting as-built configurationsConfiguring computers, communications devices and peripheral equipmentPreparing installation guides, field test procedures, and troubleshooting guidesBasic Qualifications:Bachelor’s degree and 7 years of experience as HE analyzing complex hardware systems for SIGINT solutions. Bachelor’s degree in communications engineering, Computer Engineering, Computer Science, Electrical Engineering, Information Systems, Mathematics, or related discipline from an accredited college or university is required. Five (5) years of additional hardware engineering experience may be substituted for a bachelor’s degree.Experience with scheduling requested evaluations submitted from vendors.Experience with receiving, unpacking, and setting up submitted commercial equipment for evaluation.Experience with reviewing equipment documentation and manuals.Experience with selecting appropriate evaluation SOPs.Experience with setting up appropriate tools and sensors to support evaluations.Experience with operating equipment to perform defined performance and safety evaluations.Experience with collecting technical data to support evaluation.Experience with taking photographs of equipment and residues from tests.Experience with generating technical reports to document evaluation results.Experience with reviewing and updating policies related to secure destruction.Experience with responding to customer inquiries concerning policies and procedures.Security Clearance Requirements:Must have a current/ active TS/SCI w/ polygraph clearance.Physical Requirements:Must be able to remain in a stationary position 50%.Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations.Must be able to move the vendors equipment.Repetitive Motions.

ManTech is seeking a motivated, career and customer-oriented Information Systems Security Engineer (ISSE) to join our team in Ft. Meade, MD. This position is part of a team that provides engineering and Information Technology services to provision, manage, sustain, innovate, modernize, refresh, reengineer, and secure the Nuclear Command and Control (NC2) and Non-NC2 cryptographic production infrastructure.Responsibilities include, but are not limited to:Performing or reviewing technical security assessmentsValidating and verifying system security requirementsDesigning, developing, implementing and/or integrating Information Assurance and security system componentsSupporting the building of security architecturesEnforcing the design and implementation of trusted relations among external systems and architecturesAssessing and mitigating system security threats/risksContributing to the security planning, assessment, risk analysis, risk management, certification, and awareness activitiesReview certification and accreditation (C&A) documentsMinimum Qualifications:Bachelor’s degree and 14 years of experience or 18 years of total experienceExperience as a security engineering representative on engineering teams for the design, development, implementation or integration of secure networking, computing, and enclave environmentsExperience as the primary security engineering or security officer representativeKnowledge of IA policy, procedures, and workforce structure in designing, developing, and implementing secure networking, computing, and enclave environmentsExperience in security planning, assessment, risk analysis, and risk managementExperience in determining system-level solutions resolving security requirements.CISSP Certification is required (DoD 8570.01-M compliance with IASAELevel 2)Preferred Qualifications:Experience supporting security authorization activities in compliance with customer Information System Certification and Accreditation Process (NISCAP) and DoD Risk Management Framework (RMF), the NIST Risk Management Framework (RMF) process, and customer business processes for security engineeringSecurity Clearance Requirements:Must have a current/active TS/SCI with polygraph.Physical Requirements:Must be able to remain in a stationary position 50%.Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations.

ManTech is seeking a motivated, career and customer-oriented Data Center Engineer to join our team in McLean, VA.Responsibilities include but are not limited to:Installing various hardware as required.Completing service orders in an accurate and timely manner.Performing routine operational maintenance support and hardware maintenance.Responding to customer requests quickly and resolving technical problems effectively.Participating in coordinated, scheduled maintenance activities with multiple parties in multiple locations, following standard procedures.Coordinating with other technical teams to complete various tasks, requests, and/or projects.Completing daily floor checks involving the ability to understand and assess server health status and continuous quality assurance.Implementing and performing red-lines (updates) of circuit designs and documentation.Maintaining Data Center documentation, rack elevations, cable run-list, inventory and more.Minimum Qualifications:7+ years relevant Information Technology experience.Demonstrated hands-on experience with hardware installation and Tier I/II maintenance and troubleshooting.Demonstrated hands-on experience supporting a large, enterprise-like Data Center.Demonstrated hands-on experience installing and testing fiber optic and copper cable infrastructure.Ability to read and manage power loads and maintain thresholds.Understanding of cooling and air-flow management.Ability to lift and carry heavy equipment in order to rack and stack hardware and maneuver inventory.Ability to perform hard-drive, DIMM, battery, fan, power supply replacements.Ability to navigate HP BIOS/Dell IDRAC.Ability to maintain and track inventory, strong inventory management skills.Ability to review, implement, and perform red-lines (updates) of circuit design and documentation.Frequently moves equipment weighing up to 50 pounds for various needs.Flexible with schedule and travel between Sponsor locations as needed.High School Diploma or GED.Preferred Qualifications:Experience with monitoring tools.Experience with MS Products; Excel, PowerPoint, Word, Outlook.Experience with VISIO software.Experience with JIRA software.Ability to read and comprehend network and storage designs.Bachelor’s Degree in Computer Science, Information Systems, or EngineeringClearance Requirements:TS/SCI with PolygraphPhysical Requirements:Frequently moves Audio/Visual or Computer equipment weighing up to 50 pounds across and/or around a business campus or large facility.Use hands to operate a computer and other office productivity machinery, such as a calculator, copy/scanner/printer, shredder and label maker.The person in this position needs to occasionally move about inside the office to access filing cabinets, office machinery, etc.Constantly positions self to maintain equipment, including under desks and in network closets.

ManTech is seeking a highly skilled and motivated Cyber Detection and Response Analyst to join our dynamic Cyber Incident Response Team. As a key member of the team, you will be responsible for proactively monitoring, detecting, analyzing, and responding to cybersecurity incidents within our large enterprise network. Your expertise in incident detection, analysis, and response will play a vital role in safeguarding our organization's critical assets and ensuring the integrity of our information systems.Responsibilities include, but are not limited to:Incident Detection and MonitoringUtilize SIEM (Security Information and Event Management) systems and other detection technologies to identify and investigate security anomalies.Collaborate with other teams to establish and fine-tune detection rules and alerts.Incident Analysis and InvestigationConduct in-depth analysis of detected incidents to determine the nature, extent, and impact of the cybersecurity threats.Perform forensic analysis, including examining network traffic, log files, and system artifacts, to identify the root cause and potential entry points of incidents.Document incident findings, including the attack methodology, IOCs, and recommended mitigation measures.Collaborate with cross-functional teams, such as network engineers, system administrators, and legal representatives, to gather and analyze relevant information during incident investigationsIncident Response and MitigationExecute the incident response process, following established procedures and protocols, to contain, mitigate, and remediate security incidents.Coordinate with internal teams and external stakeholders to ensure a swift and effective response to incidents, including communication, containment, and recovery activities.Utilize incident response tools and technologies to facilitate the investigation, containment, and eradication of threats.Provide recommendations for remediation actions and improvements to security controls and processes based on incident findings and lessons learned.Threat Intelligence and Vulnerability ManagementStay up to date with the latest cybersecurity threats, vulnerabilities, and industry best practices.Monitor external sources for threat intelligence and emerging trends to enhance the organization's incident detection and response capabilities.Contribute to vulnerability management activities by assessing and prioritizing vulnerabilities and providing guidance on remediation strategies.Reporting and DocumentationPrepare clear and concise incident reports, including detailed timelines, analysis, and recommendations for senior management and relevant stakeholders.Maintain accurate and up-to-date documentation of incidents, investigations, actions taken, and lessons learned.Assist in the development and maintenance of incident response playbooks, procedures, and guidelines.Basic Qualifications:2+ years of experience in Cybersecurity, Information Technology , Computer Science or other relevant technical field; experience can be any combination professional experience, internships , lab work or coursework.Experience with one or more of the following: SIEM systems, network security tools, log analysis tools, cybersecurity principles, incident detection, analysis, and response methodologies, operating systems, network protocols, and security technologies.DoD 8570 IAT-II required (can be obtained after hire)Security Requirements: Active/Current TS/SCI with polygraph

ManTech is seeking a motivated, career and customer-oriented Senior Network Engineer to join our team in the Reston or Chantilly, VA location. This is an onsite position.The successful candidate will work with Network and Systems Engineers to design, build, monitor, maintain, and upgrade all program networks to ensure data is consistently available and flowing properly.Responsibilities include but are not limited to:Designing, building, monitoring, maintaining, and upgrading all program networks and communications linksAnalyzing networks and communications links to identify and resolve architecture, provider, environment, or other issuesImplementing and maintaining effective tools to evaluate/analyze data movement and ensure data integrity throughout the networkWorking with engineering teams to troubleshoot integration issues and to maximize network and system performanceEstablishing appropriate network monitoring and early warning mechanisms to proactively identify potential issues before they impact operationsMonitoring and evaluating network performance and recommending improvementsPerforming performance testing and tuning for all network and Cloud infrastructuresWorking with engineering teams to resolve reported problemsInterfacing with third party vendors for monitoring, troubleshooting, tracking, and reporting metricsPreparing and presenting briefings to the Sponsor as requiredBasic Qualifications:10+ years of relevant experience serving as a Network Engineer or performing similar technical dutiesStrong experience with network hardware configuration and maintenance in large-scale environmentsStrong experience with relevant networking and firewall technologies such as Cisco and Palo AltoStrong network administration experience in areas such as DNS, routing, firewall configuration, scripting and automationStrong Cloud experience, including remote management, with technologies such as AWSStrong experience performing Tier 2-4 network troubleshooting and resolving issuesPreferred Qualifications:Prior experience managing and maintaining complex networks used to transport data worldwideAbility and willingness to travel overseas if requiredClearance Requirements:Must have an active/current TS/SCI w/ polygraph.Physical Requirements:Must be able to be in a stationary position more than 50% of the timeMust be able to communicate, converse, and exchange information with peers and senior personnelConstantly operates a computer and other office productivity machinery, such as a computerThe person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situationsThe person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

ManTech is seeking a motivated, career and customer-oriented Engineering Lead to join our team in the Tysons Corner or Reston, VA location. This is an onsite position.Responsibilities include but are not limited to:Supervising the full software development lifecycle for complete delivery and maintenance of currently deployed systems and all future releasesWorking with the Program Manager, Deputy Program Manager, and the Sponsor to properly identify and prioritize requirements for future system releasesImplementing and maintaining effective tools to evaluate/analyze data movement and ensure data integrity through all steps of ingestion/processing/disseminationWorking with network management personnel on integration issues and to maximize system performanceEvaluating system performance and recommending improvements and establishing and maintaining tools for system and software configuration management, versioning, and buildsSupporting and improving the processes and procedures needed to provide real-time technical support for deployed systems and teamsProviding baseline system support to deployed teamsIdentifying bugs, documenting and reporting them appropriately, and leading engineering team in corrective action and working with engineering teams to resolve reported problemsMaintaining Tier 1-3 level support processes for help desk issues and managing the associated reporting mechanisms and Interfacing with third party vendors for monitoring, troubleshooting, tracking, and reporting metricsSupervising teams and coordinating with network management personnel to ensure data movement occurs on schedule and implementing a timely notification and resolution processWorking with training personnel and field teams to define improvements to system functionality, workflow, and processesWorking with quality assurance/testing personnel to define acceptance criteria for each release cyclePreparing and presenting briefings to the Sponsor as requiredBasic Qualifications:15+ years of relevant experience serving as an Engineering Lead or similar work leading high performing teamsBachelor’s degree in a relevant area or five (5) additional years of relevant project management experience in lieu of a degreeAbility and willingness to travel overseas as requiredPreferred Qualifications:Prior experience managing and maintaining complex systems deployed worldwide is desiredClearance Requirements:Must have an active/ current TS/SCI w/ Polygraph.Physical Requirements:Must be able to be in a stationary position more than 50% of the timeMust be able to communicate, converse, and exchange information with peers and senior personnelConstantly operates a computer and other office productivity machinery, such as a computerThe person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situationsThe person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

ManTech is seeking a talented and experienced Senior Systems Engineer to join our team in Herndon, VA.Duties, Tasks & Responsibilities:Provide Tier 3 and Tier 4 troubleshooting support for a wide range of server and network technologies.Expertise in managing and supporting Microsoft CA (Certificate Authority), PKI (Public Key Infrastructure), and OSCP (Online Certificate Status Protocol).Provide expert support and troubleshooting for Windows Server 2016, 2019, and newer versions.Manage and support Active Directory, DNS, and DHCP systems.Work extensively with cloud technologies, demonstrating in-depth knowledge and hands-on experience.Develop and execute PowerShell, VB, and C# scripts to automate and enhance system operations.Prioritize and execute tasks effectively in a high-demand environment, managing multiple initiatives simultaneously.Collaborate with internal teams or work independently to resolve issues and complete projects efficiently.Continuously adjust to and learn new technologies as they arise.Write enterprise-level technical standards documentation, including diagrams and process workflows.Provide high-quality customer service and support to internal teams and clients.Required Education, Experience, & Skills:16+ years of relevant experience in Systems Engineering/Information TechnologyBachelor's Degree in relevant Information Technology, Computer Science, or related field.In-depth knowledge and hands-on experience with Microsoft Certificate Authority (CA), PKI, and OSCP.Strong troubleshooting skills at Tier 3 and Tier 4 levels.Expert experience with Windows Server OS 2016, 2019, and above.Advanced knowledge of Active Directory, DNS, and DHCP.In-depth knowledge and experience working with cloud technologies.Proficiency in scripting languages such as PowerShell, VB, and C#.Ability to effectively prioritize tasks and meet deadlines.Strong ability to work independently and as part of a team.Ability to learn and adapt to new technologies quickly.Experience in writing and maintaining enterprise-level technical standards documentation and system diagrams.Excellent customer service skills.Preferred Skills:Master's Degree preferred in relevant Information Technology, Computer Science, or related field.MCSE (Microsoft Certified Solutions Expert) or MCITP (Microsoft Certified IT Professional) certification.Experience with Microsoft Azure Pack.Experience with Amazon Web Services (AWS).Advanced proficiency with PowerShell scripting.Understanding of enterprise networking best practices.Security Clearance RequiredAn active TS/SCI with Polygraph.Physical Requirements:Ability to operate office machinery, such as a computer, printer, and phone systems.Ability to sit or stand for extended periods of time while working at a desk.Ability to move within the office and access files or equipment as needed.

ManTech is seeking a motivated, career and customer-oriented Windows Mobile Device Systems Engineer to join our team in Herndon, VA.Duties, Tasks & Responsibilities:Manage and secure mobile devices within the organization.Configure, deploy, and maintain Mobile Device Management (MDM) solutions with a focus on Microsoft Intune, Android, and iOS devices.Ensure mobile devices are compliant with company policies and provide troubleshooting and solutions for issues.Research and implement best methods for installing and deploying applications in the Azure Cloud.Monitor, evaluate, and manage applications, Cloud/Azure Virtual Desktop (VDI) environments, and application deployments.Work with mobile devices, operating systems, MDM solutions, mobile device security, mobile apps, mobile device enrollments, and end users.Research, solution, and deliver on new technical requirements.Provide Tier 3 troubleshooting and engineering support for Windows 10 (and higher) desktop operating systems, including establishing new build and deployment methods for Windows workstations.Troubleshoot and support Windows Server 2019 (and higher) technologies.Provide troubleshooting and engineering support for Microsoft Azure Active Directory and Group Policy.Collaborate with internal and external stakeholders.Document system changes and updates.Support Tier 3 and Tier 4 personnel with user issues, including application assistance, network troubleshooting, and other user support as needed.Create and deliver briefings to customers at various levels.Basic Qualifications:11+ years relevant Information Technology experienceBachelor's Degree in a relevant Information Technology, Computer Science, Systems Engineer field or similarExperience with Mobile Application Management (MAM) and best practices.Experience in developing and maintaining best practice workflows for software requests, procurement, and deployments.Experience with Cloud/SAAS solutions maintaining software.Significant engineering experience supporting Windows platform environments, including:Windows 10 (and higher) desktop operating systems.Windows 2019 (and higher) server operating systems.Active Directory.Group Policy.DNS, DHCP.Strong written and verbal communication skills.Strong documentation and troubleshooting skills.Ability to develop and deploy best practice architecture.Ability to monitor and evaluate mobile device environments.Preferred Qualifications:Familiarity with Cloud infrastructures.Experience with Azure Active Directory and Group Policy management.Strong experience with Microsoft Intune and mobile device security management.Security Clearance RequiredAn active TS/SCI with Polygraph.Physical Requirements:Use hands to operate a computer and other office productivity machinery, such as a calculator, copy machine, and computer printer.Occasionally move about inside the office to access file cabinets, office machinery, etc.Constantly position self to maintain computers in the lab, including under desks and in server closets.

ManTech is seeking an experienced Senior Software Developer for Herndon, VA. The ideal candidate will develop innovative automation capabilities using infrastructure-as-code best practices and establish continuous integration/continuous delivery pipelines.Duties, Tasks & ResponsibilitiesDevelop new automation capabilities utilizing infrastructure as code best practices.Establish and maintain a continuous integration/continuous delivery pipeline.Architect, implement, and maintain solutions in the sponsor's cloud environment.Use various scripting languages to create final products based on stakeholder requirements.Document concepts of operations and standards of practice for tiered maintenance support.Interface routinely with senior management.Deliver weekly status updates to leadership.Basic Qualifications: 16+ years of relevant Information Technology experienceProficiency in programming languages Java and C#.Demonstrated experience with cloud environments, such as AWS or Azure.Strong understanding and practical experience with DevOps practices and tools, including release management, orchestration, and code repositories (e.g., Jira, GitHub, Jenkins)Proficiency in scripting languages to create final products that meet stakeholder requirements.Proven ability to architect, implement, and maintain solutions in cloud environments.Experience in documenting concepts of operations and standards of practice for tiered maintenance support.Effective communication and collaboration skills, with the ability to interface routinely with senior management.Ability to deliver weekly status updates to leadership teams.Java Certification (current within last 3-5 years).C# Certification (current within last 3-5 years).Microsoft Certified Engineer or Microsoft Certified Architect (current within last 3-5 years).High School Diploma or GEDPreferred Qualifications: Experience with Ansible and PowerShell.Security Clearance Required An active TS/SCI with Polygraph is requiredPhysical Requirements:Use hands to operate a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Constantly positions self to maintain computers in the lab, including under the desks and in the server closet

ManTech is seeking a motivated, career and customer-oriented SeniorWindows Cloud Systems Engineer to join our team in Herndon, VADuties, Tasks & ResponsibilitiesProvide troubleshooting and engineering support at the Tier 3 and Tier 4 levels for Windows 10 (and higher) desktop operating systems, including establishing new build and deployment methods for Windows workstations.Troubleshoot and support Windows Server 2019 (and higher) technologies.Provide troubleshooting and engineering support for Microsoft Azure Active Directory and Group Policy.Troubleshoot and support desktop applications, including M365 products and classification management tools.Document all new changes introduced to the system and maintain existing documentation.Monitor and administer Azure Virtual Desktop (VDI) environments.Engineer, support, and troubleshoot Microsoft Defender, including utilization for reporting and patching.Support other Tier 3 and Tier 4 personnel with user issues, including application assistance, network troubleshooting, and other user assistance tasks as needed.Create and deliver briefings to customers at various levels.Create processes to automate tasks and configuration items using PowerShell.Conduct and review Rapid7 scans, updating the system and clearing vulnerabilities.Basic QualificationsSignificant engineering experience supporting Windows platform environments, including:Windows 10 (and higher) desktop operating systems.Windows Server 2019 (and higher) operating systems.Active Directory.Group Policy.DNS, DHCP.Strong written and verbal communication skills.Robust troubleshooting skills.Strong documentation skills.11+ years with relevant Information Technology experienceBachelor’s degree in a relevant field. Preferred QualificationsExperience with Microsoft M365 and Microsoft Azure.Working knowledge of Virtual Desktop Infrastructure (VDI).Familiarity with Azure DevOps, GIT Hub, PowerBI, and Visual Studio Code.Microsoft KQL knowledge.InTune Administration and Configuration expertise.Experience with Terraform and Agile Methodology.Ability to create/modify MS PowerShell scripts.Certifications: Microsoft Certifications, Microsoft AZ-900, and MS-900.Security Clearance RequiredAn active TS/SCI with Polygraph.Physical RequirementsUse hands to operate a computer and other office productivity machinery, such as a calculator, copy machine, and computer printer.The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Constantly positions self to maintain computers in the lab, including under desks and in server closets.

ManTech is seeking a talented and experienced Windows Cloud Systems Engineer to join our team. The successful candidate will be responsible for engineering, supporting, and troubleshooting various Windows and Microsoft technologies, as well as automating processes and managing Azure environments.Duties, Tasks & ResponsibilitiesEngineer, support, and troubleshoot Windows 10 (and higher) desktop operating systems, including developing new build and deployment methods for Windows workstations.Engineer, support, and troubleshoot Microsoft Azure Active Directory and Group Policy.Engineer, support, and troubleshoot Microsoft Defender, including reporting and patching.Support and troubleshoot Windows Server 2019 technologies.Conduct and review Rapid 7 scans.Automate tasks and configuration items using PowerShell.Support and troubleshoot desktop applications, including Microsoft 365 products and classification management tools.Document all new system changes and ensure existing documentation is current.Provide support to Tier 1 and Tier 2 personnel on user issues, including application assistance, network troubleshooting, and other user-related tasks.Monitor and administer the Azure Virtual Desktop environment.Required Education, Experience, & Skills:6+ years relevant Information Technology experienceExperience with core Microsoft Windows platforms, services, and tools, including:Windows 10 (and up) Desktop Operating SystemsWindows 2019 (and up) Server Operating SystemsActive DirectoryGroup PolicyDNS, DHCPMicrosoft PowerShell scriptingStrong verbal communication and documentation skills.Excellent troubleshooting skills.High School Diploma or GEDPreferred Education, Experience, & Skills:A Bachelor’s or Master’s degree in relevant Computer Science or Information TechnologyExperience with Agile Methodology.Familiarity with Terraform.Experience with Visual Studio Code and Git.Knowledge of KQL/SQL Queries.Experience with DevOps practices.Certifications: Microsoft AZ-900 and MS-900.Security Clearance RequiredAn active TS/SCI with Polygraph.Physical RequirementsUse hands to operate a computer and other office productivity machinery, such as a calculator, copy machine, and computer printer.The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Constantly positions self to maintain computers in the lab, including under desks and in server closets.

ManTech is seeking a Cyber Data Engineer in Herndon, VA. As a Cyber Data Engineer on our team, you will be responsible making data available, accessible, and secure to stakeholders. Join a team that creates data pipelines to collect and convert raw Cyber related data into formats usable by our cyber analysts and data scientists. Join ManTech and help protect our national security while working on innovative projects that offer opportunities for advancement. Responsibilities include, but are not limited to:Design, develop, and maintain data pipelines, and optimize systems for data collection, storage, access, and analytics at enterprise scale.Build and operationalize complex data solutions, correct problems, apply transformations, and recommend data cleansing and quality solutions.Perform data and system analysis, assessment and resolution for complex defects and incidents and correct as appropriate. Collaborate within and across teams to support delivery and educate end users on complex data products/analytic environment.Operate and manage a custom codebase and its integration with open-source and vendor data platforms and products.Perform analysis of complex sources to determine value and use and recommend data to include in analytical processes.Incorporate core data management competencies including data governance, data security and data quality.Test data movement, transformation code, and data components.Create robust and resilient data pipelines to connect data sources to analytics tools.Provide platform support including problem solving and debugging, especially for production issues.Required Qualifications:5+ years of hands-on experience in an enterprise-scale environmentExperience with software engineering using Python and software version control systems such as GitExperience developing, testing, implementing, and maintaining complex information technology applications, systems or servicesExperience working with various file formats like JSON, XML or similarExperience with data platforms like Elasticsearch/Kibana or SplunkExperience with data ETL pipeline including extraction, transformation, normalization, enrichment, correlation, and storageExperience or formal education in Cybersecurity or relevant certificationsHigh School diplomaPreferred Qualifications:Experience in analyzing and defining local and enterprise information system requirements, performing system or application design, developing capability prototypes, and transitioning applications to productionExperience with Cloud services (e.g., Lambdas, EC2s. and S3)Experience briefing others on your findings and recommendationsAbility to collaborate with others who are conducting research in the same, similar, or different areasClearance Requirements: Active/Current TS/SCI with polygraphPhysical Requirements: Sedentary positionSKN.7.23

ManTech is seeking a motivated, career and customer-oriented Data Engineer to join our team in Chantilly, VA.The successful candidate will leverage their development skills and experience, to support the successful designing, ingesting, cleansing, transformation, loading, and display of significant amounts of data.Responsibilities include but are not limited to:Designing, implementing, and optimizing large-scale ingest systems in a Big Data environmentOptimizing all stages of the data lifecycle, from initial planning, to ingest, through final display and beyondDesigning and implementing data extraction, cleansing, transformation, loading, and replication/distributionDeveloping custom solutions/code to ingest and exploit new and existing data sourcesDeveloping data profiling, deduping logic, and matching logic for analysisOrganizing and maintaining Data Layer documentation, so others are able to understand and use itWork closely with data scientists to craft data pipelines which serve the development of modern AI/ML workflowsCollaborating with teammates, other service providers, vendors, and users to develop new and more efficient methodsEffectively articulating the risks and constraints associated with software solutions, based on environmentMinimum Qualifications:Demonstrated data analysis and parsing experience.Demonstrated programming language experience (e.g. Python, Java) coupled with significant SQL/database experience.Experience with the full data lifecycle, from ingest through display, in a Big Data environment.Hands-on experience with Java-related technologies, such as JDK, J2EE, EJB, JDBC, and/or Spring, and experience with RESTful APIsExperience with data pipelining systems (e.g. Apache Airflow)Experience developing and performing ETL tasks in a Linux environment.5+ years of relevant software development/programming experience.High School Diploma or GEDPreferred Qualifications:Experience deploying systems that leverage AI/ML technologyExperience publishing results in BI dashboards.Security Clearance Requirements:TS/SCI with PolygraphPhysical Requirements:Use hands to operate a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Must be able to remain in a stationary position 50% of the time#LI-AA1 , #joinmantechd #joinmantechaa

ManTech is seeking a motivated, career and customer-oriented Senior Data Engineer to join our growing Cloud Operations Team at the Herndon or Chantilly, VA location.The Cloud Operations Team provides end-to-end cloud solutions for workloads in AWS, Azure, Google Cloud, and Oracle, enhancing the Customer’s mission through innovation, speed, agility, security, and resiliency.Responsibilities:Designing, building, and maintaining the data infrastructure that supports the collection, storage, and analysis of large datasets.Work closely with data scientists, analysts, and other stakeholders to ensure that data pipelines are efficient, reliable, and scalable.Integrating diverse data sources, implementing data governance and security practices, and ensuring data quality across the organization. Basic Qualifications:Bachelor’s or Master’s degree in Computer Science, Information Technology, Engineering, or a related field.9+ years of experience in data engineering, data architecture, or related roles.Proficiency in programming languages such as Python, SQL, or Java.Experience with data warehousing, data lakes, and big data technologies (e.g., AWS Redshift, Databricks, Google BigQuery, Apache Hadoop, Apache Spark).Strong understanding of ETL/ELT processes and tools (e.g., Apache Airflow, Talend, Informatica).Experience with cloud platforms (AWS, Azure, Google Cloud, Oracle) and their data services.Strong understanding of relational and NoSQL databases (e.g., PostgreSQL, MySQL, Cassandra, MongoDB).Knowledge of data governance, metadata management, and data quality tools (e.g., Apache Atlas, Collibra, Alation).Familiarity with data security and compliance frameworks (e.g., NIST framework).Preferred Qualifications:Familiarity with real-time data streaming and processing frameworks (e.g., Kafka, Spark, Flink, Kinesis).Cloud certifications such as AWS Certified Developer, Azure Developer Associate, or Google Professional Cloud Developer.Familiarity with containerization and orchestration tools (e.g., Docker, Kubernetes).Experience with agile development methodologies.Experience with multi-cloud or hybrid cloud environments.Clearance Requirements:TS/SCI with polygraphPhysical Requirements:Must be able to be in a stationary position more than 50% of the timeMust be able to communicate, converse, and exchange information with peers and senior personnelConstantly operates a computer and other office productivity machinery, such as a computerThe person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situationsThe person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

Become an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first. At ManTech International Corporation, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.Currently, ManTech is seeking a motivated, career and customer-oriented Systems Engineer to join our team in the Columbia and Hanover, MD area.The ideal candidate for the System Engineer position will fit the following:Experience supporting and deploying GOTS SIGINT systems and application tool setsExperience integrating COTS solutions into end-to-end systems of systems derived from defined requirements documentationAuthoring statement of work (SOW) documents, Independent Cost Estimates (ICE), Functional Requirements Documents (FRD), Development, Test and Evaluation Plans, architecture diagrams, network diagrams, rack elevation diagrams, dataflow diagrams, wiring diagrams, as-built diagrams, and other pre- and post- acquisition support documentsDemonstrated experience supporting Life Cycle Support (LCS) services for operational capabilities, deployment of technical capabilities as part of small teams and providing remote tiered technical support to mission operators, analysts, and technical liaisonsMust be willing to travel OCONUS for short term deploymentsBasic Qualifications:Fourteen (14) years’ experience as a System Engineer or in a similar type of capacity.Bachelor’s degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline from an accredited college or university is required.Five (5) years of additional SE experience may be substituted for a Bachelor’s Degree.Preferred Qualifications:Systems engineering experience specifically in the areas of GOTS/COTS SIGINT application and/or capabilities, development, integration, testing, certification, deployment, and training.Experience authoring system engineering artifactsApplicant must be a forward leaning self-starter requiring little daily oversight.Security Clearance Requirements:A TS/SCI with Full Scope Polygraph (FSP) is required; however we are able to start with Conditional Certification of Access (CCA), with the understanding the FSP process will begin shortly after start date.

ManTech is seeking a motivated, career and customer-oriented Software Engineer - Tester to join our team in Hanover, MD. The position is part of a team that provides systems engineering in the Hanover/Linthicum location and will be part of a team that provides Cybersecurity Analysis and Cryptographic Engineering technical expertise.Responsibilities include, but are not limited to:The Software Engineer (Tester) is responsible for developing, maintaining, testing, and enhancing complex and diverse software systems based upon documented requirements working individually or as part of a team.Reviewing and testing software components for adherence to the design requirements and documenting test results.Resolving software problem reports utilizes software development and software design methodologies appropriate to the development environment.Providing specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-The-Shelf (COTS)/Government Off-The-Shelf (GOTS) in place of new development, andrequirements analysis and synthesis from system level.Analyze user requirements to derive software design and performance requirementsDevelop software solutions by analyzing system performance standards, confer with users or system engineers; analyze systems flow, data usage and work processes; and investigate problem areasConfer with system engineers and hardware engineers to derive software requirements and to obtain information on project· limitations and capabilities, performance requirements and interfacesProvide recommendations for improving documentation and software development process standardsAssist with developing and executing test procedures for software componentsIntegrate existing software into new or modified systems or operating environmentsDevelop simple data queries for existing or proposed databases or data repositoriesDesign or implement complex database or data repository interfaces/queriesDevelop or implement algorithms to meet or exceed system performance and functional standardsDesign, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of designImplement recommendations for improving documentation and software development process standardsOversee one or more software development teams and ensure the work is completed in accordance with the constraints of the software development process being used on any particular projectCoordinate software system installation and monitor equipment functioning to ensure operational specifications are met Analyze user requirements to derive software design and performance requirementsDevelop software solutions by analyzing system performance standards, confer with users or system engineers; analyze systems flow, data usage and work processes; and investigate problem areasBasic Qualifications:Bachelor’s degree in Computer Science or related discipline from an accredited college or university and fourteen (14) years experience.In lieu of a degree, four (4) years of additional experience on projects with similar scope may be substituted.Security Clearance Requirements:Must have a current/ active TS/SCI w/ polygraphPhysical Requirements:Must be able to remain in a stationary position 50%.Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentations.

ManTech is seeking a motivated, career and customer-oriented SeniorCyber Security Engineer, Detectionsto join our team inSpringfield, VA.Responsibilities include, but are not limited to:Support Cyber Operations Squadron (COS) activities to publish up-to-date cybersecurity tool signatures (e.g. anti-virus and host based security systems)Provide focused analysis, including reverse malware engineering, against intrusion, anomalies, malware, viruses to identify critical information about source, intended target, affected systems or hosts, recommended mitigation measures and risk to missionFormulate custom Security Information and Event Management (SIEM) tool content and IDS/IPS signatures to address threatsPerforms security event and incident correlation using information gathered from a variety of sources within the enterpriseAnalyzes and assesses damage to the data / infrastructure as a result of cyber incidentsPerforms cyber incident trend analysis and reporting.Characterizes and performs analysis of network traffic and system data to identify anomalous activity and potential threats to resources.Providesdetection, identification, and reporting of possiblecyber-attacks/intrusions,anomalous activities, and misuse activitiesCreate and deploy threat-based signatures for operational intrusiondetectioncapabilities.Create and implementdetectionrules from intelligence reportingBasic Qualifications:Minimum Education: B.S. or 4 additional years of experienceMinimum/GeneralExperience: 5 years of related experienceExperience with modern Windows, UNIX, Linux, network operating systems, databases, and virtual computingExperience with SplunkDoD 8570 certification meeting IAT Level II ((GSEC, Security+, SSCP, or CCNA-Security)) requiredExperience performing analysis of network traffic and correlating diverse security logs to perform recommendations for signature developmentKnowledge with implementation of counter-measures or mitigating controls.Ability to support incident response and forensic operations as required to include static/dynamic malware analysis and reverse engineeringExperience with enterprise security tools, including Security information and event management (SIEM), Threat intelligence platforms (TIPs), or Network monitoring toolsExperience in creating, modifying, tuning, IDS signatures/SIEM correlation searches and otherdetectionsignatures.Preferred Qualifications:Advanced skills in Linux/Unix (command line user - proficient and used in last 6 months)Working knowledge of current COTS Cybersecurity technologies.Familiar with MITRE ATT&CK FrameworkCNDSP-A (GCIA, GCIH, or CEH) or CNDSP-IR (GCIH, CSIH, or CEH) certification

ManTech is seeking a motivated, career and customer-oriented Cyber Network Engineer, Senior to join our team in the Chantilly, VA, area.Responsibilities include, but are not limited to:Prioritize requirements based on the needs of the projectInteract with other team members and customers at multiple levels to gather, supply, or coordinate informationWork closely with customers on onboarding, updates and troubleshooting issues with cybersecurity toolsProvide customer support via phone, email, or messaging services to resolve issues and answer questions. This includes maintaining communication throughout the entire process, as necessary.Provide insight into efficiencies that can be gained from the current workflow based on an understanding of the customers’ requirementsWork with Engineers on troubleshooting and building proof-of-concept network topologiesAnalyze customer feedback to assist in process improvementPerforms engineering support and system administration of specialized cybersecurity applications and systems to include installation, configuration, maintenance, patching, and back-up/restoreProvide Tier 3 maintenance and engineering support for deployed cybersecurity technologiesSupports Assessment and Authorization activities related to cybersecurity technologies, where applicableIdentify potential conflicts with implementation of any cybersecurity tools within the enterprise and develops recommendations to remediate these conflictsProvide ideas for automating repetitive project tasks and metrics collection through the use of scripts and assists with testing/implementation to productionUpdate project documentation, where applicableBasic Qualifications:Bachelor’s Degree or 4+ years of additional experience in lieu of degree5+ years of related network experience (firewalls, routers, switches and load balancers)Knowledge of Windows and Linux systems, general operating system security practices, TCP/IP networking, and network security concepts is requiredKnowledge of and the use of AWS cloud technologiesMust have or be willing to obtain IAT Level II or higher certification within 6 months of hirePreferred Qualifications:Experience with programming languages such as Python, Go, Java, Java Script, Node.jsKnowledge of federal Cyber Security Guidance such as NIST SP 800-37 – Guide for Applying the Risk Management Framework (RMF) to Federal Information Systems and NIST 800-137 – Information Security Continuous Monitoring (ISCM) for Federal Information Systems and OrganizationsSecurity Clearance Requirements:TS/SCI w/CI PolyPhysical Requirements:Must be able to remain in a stationary position 50%Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printerThe person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situationsAbility to work in a cubicle environment without distractions

Cyber Security Engineer, Senior Become an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first. At ManTech International Corporation, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.ManTech is seeking a motivated, career and customer-orientedCyber Security Engineer, Senior to join our team in the Chantilly, VA.Responsibilities include, but are not limited to:Provide IA security requirements to update system requirement documentsCoordinate IA matters with other directorates and external partners as necessaryPerform, or review, technical security assessments of computing environments to identify points of vulnerability, non-compliance with established Information Assurance (IA) standards and regulations and recommend mitigation strategies.Validate and verify system security requirements definitions, analysis, and establish system security designsValidate proposed software, hardware, firmware, and infrastructure comply with security guidelines, policies, and proceduresApply knowledge of IA policy, procedures, and workforce structure to design, develop, and implement secure networking, computing, and enclave environments.Toolkits, SEIMs, LogRhythm, ACAS/Nessus/SCAP, mandatory/role-based access control concepts (e. g. SE Linux extensions to RHEL, PitBull, and Windows), Oracle/MS SQL database security, and Apache/IIS Web server security.Support security planning, assessment, risk analysis, and risk management.Identify overall security requirements for the proper handling of Government data.Contribute to the security planning, assessment, risk analysis, risk management, certification and awareness activities for system and networking operations.Review certification and accreditation (C&A) documentation, providing feedback on completeness and compliance of its content.Apply system security engineering expertise in one or more of the following: system security design process; engineering life cycle; information domain; cross domain solutions; commercial off-the-shelf and government off-the-shelf cryptography; identification, authentication, and authorization; system integration; risk management; intrusion detection; contingency planning; incident handling; configuration control; change management; auditing; certification and accreditation process; principles of IA (confidentiality, integrity, non-repudiation, availability, and access control); and security testing.Support security authorization activities in compliance with Information System Certification and Accreditation Process (ICD 503), the NIST Risk Management Framework (RMF) process, and prescribed ICs business processes for security engineering.Assist architects and systems developers in the identification and implementation of appropriate information security functionality to ensure uniform application of government security policy and enterprise solutions.Support the building of security architectures.Assess and mitigate enterprise, system, and component security threats/risks throughout the program life cycle.Support the Government in the enforcement of the design and implementation of trusted relationships among external systems and architectures.Basic Qualifications:HS Diploma and 8+ years related experience OR Bachelor's Degree and 4+ years of experience2+ years’ experience as an ISSO/ ISSE on programs and contracts of similar scope, type, and complexity required.Experience with: Tenable, Perl, STIG, and ACASCertifications Required:Security+ within 6 months of hireSecurity Clearance Requirements:TS/SCI w/PolygraphPhysical Requirements:Must be able to remain in a stationary position 50%Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printerThe person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situationsAbility to work in a fast-paced environment.#GL-SOC

ManTech is seeking a motivated, career and customer-oriented Cyber Security Engineer, Principal, serving as a Deputy Project Manager, to join our team in the Chantilly, VA, area.Responsibilities include, but are not limited to:Assist in the creation of fully developed project schedules utilizing the Enterprise Scheduling Service platform (ESS) built on Microsoft ProjectAssist with creating quality briefing decks, to include detailed cost estimates, based on projects for senior leadership presentationCoordinate the engineering, integration, and administration function required to deliver capabilities and services to the enterpriseEnsure that all aspects of the projects are completed and delivered according to the implementation plan and scheduleResponsible for coordinating the build-out and testing of sophisticated applications and tools in a virtual and physical environmentManage the engineering, integration, and administration support required for successful delivery of capabilities and services to the operational and engineering baselineManage incident/request ticket queues through ServiceNow and various ticket platformsManage, utilize, evaluate, and update all engineer instruction sets and SOPsAttend weekly customer and corporate meetings and track action items to completionCoordinate and assign tasks in aiding the Program/Project engineers in testing and implementing future enhancementsOperate and multitask in a dynamic high tempo environmentPerform work duties in a government environment as part of a multi-contractor teamSupport integration of systems applications and tools within the customer’s environmentAssist with the management of Tier 2-4 support to the customer to include troubleshooting and resolution of issuesMinimum Requirements:Bachelor's Degree or 4+ years of additional experience in lieu of degree7+ years of relevant cyber security work experienceExperience with managing and leading of small to medium teamsAbility to demonstrate understanding and appropriate application of DoD/IC policy and technical security guidance to information systemsIAT Level II certification or willing to obtain within 6 months of hirePreferred Qualifications:Experience with system design and integrationExperience with Risk Management Framework knowledgeKnowledge of security technologies such as vulnerability management, intrusion detection/prevention, log monitoring, and endpoint protectionAbility to learn the latest security principles, techniques, and protocolsClearance Requirements:Must possess an active TS/SCI w/ a CI polygraphPhysical Requirements:Must be able to remain in a stationary position 50%Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printerThe person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations

ManTech is seeking a motivated, career and customer-oriented Cyber Engineer Lead, serving as the Deputy CLIN manager, to join our team in the Chantilly, VA, area.Responsibilities include, but are not limited to:Create fully developed project schedules using the Microsoft Project and Agile schedules using JiraCreate quality slide decks based on projects for senior leadership presentationCoordinate the engineering, integration, and administration function required to deliver capabilities and services to the enterprise Ensure that all aspects of the projects are completed and delivered according to the implementation plan and schedule Lead the exploration of emerging technologies by arranging demonstrations, providing technical evaluations, and input to the customer's roadmap developmentCoordinate the build-out and testing of sophisticated applications and tools in a virtual and physical environment Manage the engineering, integration, and administration support required for successful delivery of capabilities and services to the operational and engineering baseline Manage incident/request ticket queues through ServiceNow and various ticket platformsManage, utilize, evaluate, and update all engineer instruction sets and SOPsAttend weekly customer and corporate meetings and track action items to completionCoordinate and assign tasks in aiding the Program/Project engineers in testing and implementing future enhancementsOperate and multitask in a dynamic high tempo environmentPerform work duties in a government environment as part of a multi-contractor teamSupport integration of systems applications and tools within the Cyber Data PlatformIdentify potential conflicts with implementation of any cybersecurity tools within the enterprise and develops recommendations to remediate these conflictsManage Tier 1-4 support to the customer to include troubleshooting and resolution of issues for the EITA and DCOManage and track the tasks, projects, and priorities across multiple program areasManage and lead the resources across the program areas to meet mission and vision requirements in the most efficient manner possibleBasic Qualifications:Bachelor’s degree 10+ years of cyber experience Experience leading a small to medium sized team Knowledge of security technologies such as vulnerability management and log monitoringKnowledge of the latest cyber security principles, techniques, and protocolsAbility to effectively interact with various levels of senior management as necessary to clearly articulate ideas for executive level and technical staff consumptionAbility to demonstrate understanding and appropriate application of DoD/IC policy and cybersecurity technical guidance to information systemsAbility to multi-task, work independently and as part of a team, share workloads, and deal with sudden shifts in project prioritiesDoD Directive 8140.1 IAT Level II or higher certification or ability to obtain within 6 monthsPreferred Qualifications:Experience with agile methodologies and tools such as Scrum in Jira and ConfluenceExperience with virtualization and cloud environmentsExperience with ICD-503 of Risk Management Framework knowledge and experienceKnowledge of system design and integration experienceSecurity Clearance Requirements:Active TS/SCI w/ a CI polygraphPhysical Requirements:Must be able to remain in a stationary position 50%Constantly operates a computer and other office equipment, such as a calculator, copy machine and computer printerThe person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations

ManTech is seeking a motivated, mission-oriented DevOps Engineer, in the Chantilly, VA area managing our Atlassian tool suite (Jira and Confluence) and performing infrastructure management, automation, and troubleshooting across our IT environment.As the DevOps engineer responsible for the Atlassian suite, you will manage Confluence toensure each person on a project team has access to all materials needed. You will assist with architecting, designing, and building Atlassian JIRA/Confluence custom plugins customer requirements & projects. Managing the Atlassian tool chain includes workflows, custom fields, schemes, add-ons, pages, content, spaces, permissions, and integrations will benefit customer research and products.The primary goal is to automate repetitive tasks, reduce manual intervention, and improve the overall user experience, quality, and reliabilityof software.Responsibilities include, but not limited to:Plan, schedule, implement, & communicate JIRA & plug-in upgrades in accordance with requirements, & established policies & proceduresArchitect, administer, and troubleshoot JIRA deployments & projects; focus on providing platform for Housing units to administer, track & report on department-wide projects & issuesManage Jira to include onboarding new projects onto the platform, as well as configuring the layout, design, workflow, and reporting dashboardsAnalyze current JIRA configurations & migrate to new instances; code, test, & debug new software/applications or make new enhancements to existing software/ applications & provide solutions using JIRAAbility to create complex JIRA workflows, screen, permission, & notification schemes, & to provide/configure JIRA for manual processesWork independently with stakeholders & clients to design & deliver JIRA workflows to meet the stated & unstated business requirementsGather requirements for business processes, & determine ways to optimize/improve JIRA/Confluence/Bitbucket; build & configureUnderstanding of JIRA APIs & webhooksImplement custom XML based JIRA gadgetsGenerate documentation on workflows & processes implemented in JIRA to support runbooksWorking knowledge with ITIL Operations Management & Service ManagementDevelop monitoring and observability capabilities to ensure workloads function as expectedProvide the right resources to users andmanage upgrades and improvements to the softwareInfrastructure management and automation through code, as well as general troubleshooting and issue resolutionDevelop automated processes to [re-]provision infrastructure using Infrastructure as Code (IaC) concepts and methodsIaC support of a predominantly Windows environment including supporting Active Directory, Domain Controllers, FTP, DNS, GPO's, PKI, and DHCPMinimum Qualifications:Bachelor’s Degree and 5 or more years’ experience, or high school diploma/GED and 7 or more years’ relevant experienceBe familiar with administering DevOps applications like Jira, Confluence, or BitbucketBe familiar with Database administration, JVM tuningSecurity+ certification (active)Occasional travel, 25% CONUSPreferred Qualifications:Experience with DevOps tools such as Git, Ansible, Terraform, Chef, PuppetExperience in both a Windows and Linux OS environmentExperience with version control tools such as Git, Github, Gitlab, or BitBucketSecurity Clearance Requirements: Must possess an active TS/SCI with PolygraphPhysical Requirements:Must be able to be in a stationary position more than 50% of the timeMust be able to communicate, converse, & exchange information with peers & senior personnelConstantly operates a computer & other office productivity machinery, such as a computerConstantly positions self to maintain computers in the lab, including under the desks & in the server closetFrequently moves Audio/Visual or Computer equipment weighing up to 50 pounds across & around a business campus or large facility#LI-CW1

ManTech is seeking a motivated, career and customer-oriented Senior Principal Cyber Network Engineer to join our team in the Chantilly, VA.Responsibilities include, but are not limited to:Prioritize requirements based on the needs of the projectInteracts with other team members and customers at multiple levels to gather, supply, or coordinate informationGood communication and customer service skills are needed along with ability to coordinate effectively with individuals from multiple levelsProvides insight into efficiencies that can be gained from the current workflow based on an understanding of the customers’ requirementsWork with engineers on troubleshooting and building complex, highly available network topologiesPerforms engineering support and system administration of applications and systems to include installation, configuration, maintenance, patching, and back-up/restoreProvides Tier 2/3 maintenance and engineering support for deployed technologiesSupports Assessment and Authorization activities related to cybersecurity technologies, where applicableIdentifies potential conflicts with implementation of any cybersecurity tools within the enterprise and develops recommendations to remediate these conflictsProvides ideas for automating repetitive project tasks and metrics collection using scripts and assists with testing/implementation to productionOther project and corporate duties as assigned to support the customerBasic Requirements:Bachelor's Degree with 10+ years of experience or 14+ years of equivalent experience in lieu of degreeExperience with firewalls, routers, switches, and load balancersExperience with deploying, upgrading, and troubleshooting multivendor network equipment and solutions, including Juniper, F5, and NutanixKnowledge of Windows and Linux systems, general operating system security practices, TCP/IP networking, and network security conceptsMust have or be willing to obtain IAT Level II or higher certification within 6 months of hirePreferred Qualifications:Knowledge of federal Cyber Security Guidance such as NIST SP 800-37 – Guide for Applying the Risk Management Framework (RMF) to Federal Information Systems and NIST 800-137 – Information Security Continuous Monitoring (ISCM) for Federal Information Systems and OrganizationsClearance Requirements:Must possess an active TS/SCI w/ CI PolygraphPhysical Requirements:Must be able to remain in a stationary position 75% of the timeConstantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printerThe person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situationsMust be able to detect information on a computer screen

ManTech is seeking a motivated, career and customer-oriented Cyber Security Engineer, Principal to join our team in Chantilly, VA, area.Responsibilities include, but are not limited to:Responsible for the operations and maintenance of deployed Enterprise Cross Domain SolutionsEngineers and deploys capabilities to provide new functionality, improve system performance/availability, and for generating efficiencies in the maintenance of the operational environmentProvides Tier 2/3 maintenance support for deployed Cross Domain Solutions (CDS) interface technologiesSupports Assessment and Authorization activities related to CDS technologiesIdentifies potential conflicts with implementation of CDS technologies within the enterprise and develops recommendations to remediate these conflictsContributes to the completion of milestones associated with specific projectsProvides solutions to a variety of complex technical problemsDevelop plans to safeguard computer files against unauthorized modification, destruction, or disclosureMinimum Requirements:Bachelor's Degree or 4+ years of additional experience in lieu of degree7+ years of cyber experienceExperience with Linux operating systemsKnowledge of general operating system security practices, TCP/IP networking, and network security conceptsIAT Level II certification or willing to obtain within 6 months of hireDemonstrated technical experience:Knowledge of CDS technologies on the NCDSMO approved products listKnowledge with cybersecurity architectural principles such as defense in depth, resilience, and integrated security operationsKnowledge of database and operating system securityKnowledge of defensive cyber operationsAbility to apply security principles to the systems and enterprise system designsClearance Requirement:Must possess an active TS/SCI w/ PolygraphPhysical Requirements:Must be able to remain in a stationary position 75% of the time.Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situationsMust be able to detect information on a computer screen

ManTech is seeking a motivated, career and customer-oriented Senior Principal Cyber Security Engineer to join our team in the Chantilly, VA.As a Senior Principal Cyber Security Engineer, you will be responsible for expanding network architecture of various vendor network devices, such as routers, switches, load balancers and firewalls. Work closely with teams of engineers to implement and maintain the complex architecture.Responsibilities include, but are not limited to:Engineer, design, implement, integrate, and sustain Comply-to-Connect (C2C) deployment support to migrate, deploy, improve, and maintain C2C services. Comply-to-Connect support is comprised of managing and maintaining the appliances, applications, servers, and supporting infrastructure on unclassified and classified environments.Coordinate with the network service provider to develop and maintain network architecture diagramsEvaluate and recommend changes and/or technology upgrades to address performance, standardization, and industry best practicesMonitor and investigate C2C performance and faults and recommend improvements.Interacts with other team members and customers at multiple levels to gather, supply, or coordinate informationGood communication and customer service skills are needed along with ability to coordinate effectively with individuals from multiple levels and across multiple teamsSupports Assessment and Authorization activities related to cybersecurity technologies, where applicableBasic Qualifications:Minimum education: B.S. or 4 additional years of experienceMinimum/general experience: 10+ years of related experienceExpertise in technologies involved in large scale enterprise deployments/data centersExperience in deploying and/or supporting enterprise security software products such as firewalls, IPS, Anti-Virus solutions, application firewalls, high availability solutions, network management systems, virtual systemsExperience with tools such as Nmap, Nessus, and tcpdumpExperience implementing and using complicated software products that involve multiple componentsAbility to clearly document complicated steps and proceduresWorking knowledge of shell, perl and xml scriptingExperience with vendor agnostic C2C capabilities and services, open-source components and trends, DoD integration and networks, and DoD engineering and sustainment procedures and processes to deliver real time C2C enterprise-level expertise to the customer base a plusCisco Identity Services Engine (ISE) experience desired, not requiredKnowledge of Windows and Linux systems, general operating system security practices, TCP/IP networking, 802.1x and network security concepts is requiredMust have or be willing to obtain IAT Level II or higher certification within 6 months of hireClearance Requirements:Active TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position 75% of the timeConstantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printerThe person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situationsMust be able to detect information on a computer screen

ManTech is seeking a motivated, career and customer-oriented Principle Cyber Network Engineer to join our team in the Chantilly, VA.As a Principal Cyber Network Engineer, you will be responsible for expanding network architecture of various vendor network devices, such as routers, switches, load balancers and firewalls. Work closely with cross domain engineers to implement and maintain the robust and highly available network devices surrounding a complex cross domain system.Responsibilities include, but are not limited to:Prioritize requirements based on the needs of the projectInteracts with other team members and customers at multiple levels to gather, supply, or coordinate informationGood communication and customer service skills are needed along with ability to coordinate effectively with individuals from multiple levelsProvides insight into efficiencies that can be gained from the current workflow based on an understanding of the customers’ requirementsWork with engineers on troubleshooting and building complex, highly available network topologiesPerforms engineering support and system administration of applications and systems to include installation, configuration, maintenance, patching, and back-up/restoreProvides Tier 2/3 maintenance and engineering support for deployed technologiesSupports Assessment and Authorization activities related to cybersecurity technologies, where applicableIdentifies potential conflicts with implementation of any cybersecurity tools within the enterprise and develops recommendations to remediate these conflictsProvides ideas for automating repetitive project tasks and metrics collection using scripts and assists with testing/implementation to productionMinimum Qualifications:7+ years of related network experience (firewalls, routers, switches, and load balancers)Bachelor's degree or 4 additional years of experience in lieu of degreeKnowledge of Windows and Linux systems, general operating system security practices, TCP/IP networking, and network security concepts is requiredExperience with deploying, upgrading, and troubleshooting multivendor network equipment and solutions, including Juniper, F5, and NutanixMust have or be willing to obtain IAT Level II or higher certification within 6 months of hirePreferred Qualifications:Excellent written/oral communications skills and strong analytical and problem-solving skillsExcellent organization, planning, and multi-tasking skills with attention to detailUnderstanding of federal Cyber Security Guidance such as NIST SP 800-37 – Guide for Applying the Risk Management Framework (RMF) to Federal Information Systems and NIST 800-137 – Information Security Continuous Monitoring (ISCM) for Federal Information Systems and OrganizationsAbility to function in a fast-paced environment and effectively manage multiple tasks simultaneously; coordinating resources and ensuring scheduled goals are metIn-depth understanding and practical knowledge of LANs, firewalls, routers and switchesAbility to make decisions and resolve problems effectively – seek out information and data to evaluate, prioritize and formulate best solution or practiceMust be able to multi-task, work independently and as part of a team, share workloads, and deal with sudden shifts in project prioritiesSecurity Clearance Requirements:Must possess an active TS/SCI w/ PolygraphPhysical Requirements:Must be able to remain in a stationary position 75% of the timeConstantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printerThe person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situationsMust be able to detect information on a computer screen

ManTech is seeking a motivated, career and customer-orientedLead Network Engineerto join our team inWashington, DC.Responsibilities, include but are not limited to:Network Engineering - Troubleshooting, Tier II, and Tier III supportNetwork Monitoring - SolarWinds, Cisco PINetwork Documentation - Visio Drawings, Develop Standard Operating Procedures (SOP)Diagnosing and resolving the toughest performance, security, and or technical challenges related to the platforms listed aboveWriting SOPs to accomplish repetitive tasksParticipating in processes throughout all phases of ITIL Service Lifecycle, including submitting change requestsResponsibility for investigating and resolving operational problems in conjunction with other engineering and technical personnelRequirements specification, performance modeling, end-to-end functional analysis, cost estimation, and joint application designWorking on project teams responsible for engineering and packaging releases to integrate within the customer's production IT environmentBasic Qualifications:Bachelor’s degree in Computer Science or related field with 7+ years of experience in the Information Technology field; an additional 4 years of Networking experience might be substituted for a degreeCisco CCNA level knowledgeMicrosoft Visio, Word, Excel experienceAbility to obtain one DoD 8570.1 / DoD 8140.01 (IAT III Level) certification within 6 months of hireAbility to obtain one DoD 8570 Computing Environment certification within 6 months of hireExperience using and administering SolarWindsKnowledge of Microsoft Windows Systems, HP SANs, VMware productsTravel up to 25%Preferred Qualifications:One of the following certifications is desired:MCSE - Microsoft Certified System Engineer, MCSE - Microsoft Certified Solutions Expert, MCSA - Microsoft Certified Solutions Associate, MCITP - Microsoft Certified Information Technology Professional, VMware VCP - VMware Certified Professional, CCNA - Cisco Certified Network AdministratorITIL Foundations or later certification highly desiredKnowledge of Microsoft OfficeExperience using a Service Desk ticketing system, such as Remedy or ServiceNowPrevious customer service experience strongly desiredGeneral Dynamics Encryptor experienceSolarWinds experience and knowledgeCisco Prime Infrastructure experience and knowledgeMicrosoft Systems experience a plusSecurity Clearance Requirements:US Citizenship required and active TS/SCI clearance adjudicated within the last 6 yearsCandidate must be open to random polyPhysical Requirements:Must be able to remain in a stationary position 50%Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Frequently communicates with co-workers, management, and customers, which may involve delivering presentationsMust be able to exchange accurate information in these situations

Currently, ManTech is seeking a motivated, career and customer-oriented Staff Deployment Engineer to join our team inPatuxentRiver, MD.Responsibilities include, but are not limited to:Configuration and installation of remote customer sitesSite surveysGathering customer requirementsRequesting circuitsInterfacing with the customer throughout the deployment processCreate and implement router and switch ConfigurationsCreate and maintain Visio network diagramsTroubleshoot technical issues during deploymentsProvide recommendations to enhance and improve the network and performanceProvide system wide engineering support for network conflicts, troubleshooting, and resolutionBasic Qualifications:Requires Bachelor’s degree in Computer Science, Math or Engineering or equivalent and a minimum of 2years of experience; additional 4 years deployment experience might be substituted for a degreeDoD 8570 IAT Level 2 certification required (CCNA Security, GICSP, GSEC, Sec+, CND or SSCP)DoD 8570 computing environment certification within 6 months of hireCisco or Microsoft certificationBaseline networking experienceMust be willing to travel within the U.S. up to 50% and requires infrequent 5-10% OCONUS travelValid US Passport and Driver's License requiredPreferred Qualifications:Knowledge of routing protocols a plusClearance Requirements:US citizen and Active Top Secret-SCI clearance adjudicated within the past 6 yearsCandidate must be open to random poly.Physical Requirements:Must be able to remain in a stationary position 50%.Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Often positions self to maintain computers in the lab, including under the desks and in the server closet.Frequently communicates with co-workers, management and customers, which may involve delivering presentations.Must be able to exchange accurate information in these situations.

ManTech is seeking a motivated, career, and customer-oriented Section 508/IT Accessibility Systems Engineer SME to join our team in Springfield, VA.This position advises, assists, leads, manages, works and supports Information and Communications Technology (ICT) to support research, technical analysis, testing, implementation, and cyber security analysis for the Enterprise IT Architecture. The ideal person shall support the implementation of a centralized captioning and transcription service to include research, development, procurement, and implementation of a system or systems which rely on machine learning and human machine teaming.Responsibilities include but are not limited to:Perform technical evaluation of enterprise IT Architecture (ITA) to assess gaps in accessibility and impacts to system security. Track the progress of accessibility for applications.Perform requirements engineering, solutions engineering, scheduling, reliability, resiliency, services development, integration for captioning technologies.Participate in all phases of risk management assessments and software/hardware development with emphasis on analysis of user requirements, test design, and test tools selection that compliment system security.Assist with developing educational training on ITA requirements for the workforce for applicability and design considerations for software development, system engineering, acquisition, and general workforce for adaption.Assess and audit Enterprise for Accessibility and develop strategic plans, policies, and processes to support Accessibility.Perform requirements engineering, solutions engineering, scheduling, reliability, resiliency, services development, integration for captioning technologies, and perform and support system testing using applications such as WOWZA.Assist in the capture and translation of mission and customer requirements/needs into systems/capability requirements and solutions.Integrate multiple systems, services, processes, and interfaces within all captioning and transcription application acquisitions and across all relevant organizational and agency boundaries.Perform research on methodology of how computer programs, applications, electronic devices etc., analyze, produce, modify, or respond to human texts and speech.Conduct trade studies and engineering assessments of captioning and transcription emerging capabilities.Call Application Program Interfaces (APIs) to modify and integrate caption and transcription engines.Develop and implement algorithms, scripts, and predictive analytics to support captioning and transcription and design accessible code that accesses various services relevant to captioning and Transcription on a LINUX system.Read, comprehend, and translate documentation pertaining to the technical application of an automated Caption and Transcription Service and any impacts to system and cyber security.Draft technical papers and documentation on automated captioning and transcription.Required Skills12 years of experience in a cross-functional area with IT Accessibility/Section 508Bachelor’s degree in STEM or Business field, or equivalent experience with a related field7 years of systems engineering experience.Desired SkillsMaster’s degree in STEM or related discipline.Relevant industry standard certifications such as Certified Systems Engineering Professional (CSEP), Expert Systems Engineering Professional (ESEP), Certified Systems Modeling Professional-Advanced (OCSMP-A). Experience with Model Based Systems Engineering (MBSE) tools and methodologies.Security Clearance Requirements:TS/SCI with the ability to obtain & maintain a PolyPhysical Requirements:Able to remain in a stationary position 50%.Constantly operate a computer and other office productivity machinery, such as a copier, scanner, and computer printer.Frequently communicate with co-workers, management, and customers, which may involve delivering presentations.