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.

ManTech seeks a motivated, career and customer-oriented Enterprise Architect to join our team in McLean, VA.Responsibilities include but are not limited to:Oversee and manage the customer’s business, Information Technology (IT), application, and data architecturePlan, develop, and execute the customer’s Enterprise Architecture (EA) solution strategy, consistent with security guidelines and EA industry standardsProvide technical analysis and advice on application and operational environments, functional systems analysis, design, integration, documentation, and implementationFacilitate and participate in business and IT alignment through stakeholder collaboration, driving digital business strategiesAnalyze business and operating models, market trends and the technology industry to determine their potential impact on the customer’s enterprises business strategy, direction, and architectureValidate IT infrastructure and other reference architectures for adherence to security guidelines and procedures and recommend changes to enhance security and reduce risksBasic Qualifications:Bachelor’s Degree in a technical field (Science, Technology, Engineering, and Mathematics (STEM))7+ years serving as an Architect Lead or similar work leading platform-based technology strategy or solution deliveryExperience with delivery frameworks, such as Agile, DevSecOps, and integrated Human-Centered DesignExperience in end-to-end solution development lifecycle and agile methodologiesExpertise in cloud services supporting identity management, microservice and event-driven architectures and modern data architecturesPreferred Qualifications:Advanced degrees and certifications are desired (e.g., TOGAF, Open CA, Zachman Certified Architecture)Understanding of the Government program management and acquisition framework and System Engineering Life Cycle (SELC) highly preferred.Delivery experience in enterprise-scale software and data platforms for Government agenciesClearance Requirements:TS/SCI with polygraphPhysical Requirements:The person in this position 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 seeks a motivated, career and customer-oriented Cyber Security Operations Center (CSOC) Analyst to join our team in McLean, Virginia. As a CSOC Analyst on our team, you will lead the technical oversight and execution of cyber investigations and incident response activities within our large enterprise environment. This role is critical to detecting, analyzing, and mitigating Advanced Persistent Threat (APT) campaigns and other sophisticated cyber threats. You will act as a technical consultant within the SOC, capable of mentoring junior analysts, ensuring investigation quality, and driving improvements in response processes across all SOC domains.Responsibilities include, but are not limited to:Conduct cyber investigations and end to end incident responseProvide technical oversight and quality control across the CSOCIdentify opportunities for process improvement and efficiencies and provide change management leadership to the CSOC teamProvide mentoring and skill development to less experienced analystsMinimum Qualifications:Bachelor’s degree and 6+ years of experience in cyber security operations or incident response or High School Diploma and 10+ years of experience in cyber security operations or incident responseExperience with investigating and responding to APT threat campaigns, nation-state actors, and advanced cyber attacksExperience in host-based forensics, memory analysis or network forensicsExperience working with EDR, SIEM, SOAR, forensic tools, and malware analysis platformsKnowledge of MITRE ATT&CK and adversary tactics, techniques, and procedures (TTPs)Ability to lead and mentor less experienced team membersPreferred Qualifications:Certifications such as GCIH, GCFA, GNFA, GCFE, GREM, OSCP, or equivalentExperience with cloud security incidents (AWS, Azure, GCP) and hybrid security modelsExperience developing custom detection rules (YARA, Sigma, Snort, Suricata) and automation scripts (Python, PowerShell, Bash)Experience in penetration testing and/or CNE/CNO activitiesClearance Requirements:Must have a current/active TS/SCI w/ polygraphPhysical Requirements:The person in this position must be able to remain in a stationary position 50% of the time

ManTech seeks a motivated, career and customer-oriented CyberDetection Engineer to join our team in McLean, Virginia. As a Cyber Detection Engineer on our team, you will enhance our cybersecurity detection and response capabilities. You will play a key role in improving our ability to identify, analyze, and respond to cyber threats through custom detection logic, automated workflows, and advanced threat-hunting techniques. This role is ideal for someone with strong programming skills, deep knowledge of Security Information & Event Management(SIEM) platforms, and experience developing high-fidelity security detections and automation workflows.Responsibilities include, but are not limited to:Detection Engineering & DevelopmentSecurity Automation & OrchestrationThreat Detection & AnalysisEndpoint & Network Security (EDR & NDR)Required Qualifications:Bachelor’s Degree and 2+ years of experience in cyber security operations or High School Diploma and 6+ years of experience in operationsExperience in cyber detection engineering, threat hunting, incident response, cyber network operations (CNO) or cyber network engineering (CNE)Experience programming in Python or a similar language for automation and data analysisExperience with SIEM platforms such as Splunk, ELK, Sentinel, Chronicle, or similarExperience with YARA, Snort, Suricata, or other signature-based detection technologiesExperience working with MITRE ATT&CK framework, or similar, for adversary tactics and techniques mappingPreferred Qualifications:Experience with penetration testing, red teaming, or reverse engineeringExperience with SOAR solutions and automation workflowsExperience developing custom detection methodologiesExperience with threat intelligence platforms and integrating threat intelligence feeds into security operationsKnowledge of Windows Internals and forensic artifacts for endpoint securityCertifications such as GCDA, GCIH, GCFA, OSCP, or Splunk Certified Security ProfessionalClearance Requirements:Must have a current/active TS/SCI w/PolygraphPhysical Requirements:The person in this position must be able to remain in a stationary position 50% of the timeSKN.7.23

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 seeks a motivated, career and customer-oriented Hardware Engineer to join our team in Ft. Meade, MD. This is a full time position with 5 days being onsite. 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:Analyzing 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 while preparing functional requirements and specification for hardware acquisitionsDeveloping hardware installation schedules based upon set-up, integration, and test timeliness while 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, preparing engineering plans and site installation Technical Design Packages, configuring computers, communications devices and peripheral equipmentResponsible for scheduling requested evaluations submitted from vendors, receiving, unpacking, and setting up submitted commercial equipment for evaluation and setting up appropriate tools and sensors to support evaluations.Minimum Qualifications: Bachelor’s degree in communications engineering, Computer Engineering, Computer Science, Electrical Engineering, Information Systems, Mathematics, or related discipline from an accredited college or university and 7 years of experience as a Hardware Engineer analyzing complex hardware systems for SIGINT solutions. is required.Five (5) years of additional hardware engineering experience may be substituted for a bachelor’s degree.Experience with VHDL, Vilinx, Vivado or similar tools/technologies is requriedClearance Requirements:Must have a current/active TS/SCI w/ PolygraphPhysical Requirements:Must be able to remain in a stationary position for extended periods of time. Needs to occasionally move about inside the office to access file cabinets, office machinery, etc. Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer. Must be able to move vendor equipment

ManTech seeks a motivated, career and customer-oriented Senior Network Engineer to join our team in Reston, VA. This is an onsite position.The Senior Network Engineer 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 infrastructuresMinimum 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/ 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 needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

ManTech seeks a motivated, career and customer-oriented Cyber Engineer to join our team in Herndon, Virginia. As a Cyber Engineer on our team, your role is critical in enhancing our cyber defense capabilities through innovative solutions and automation for our Intelligence Community customer’s Cyber Security Operations Center (CSOC). Help protect the most coveted target in the world.Responsibilities include, but are not limited to:Develop and maintain scripts and automation tools using Python or similar programming languages. Create and optimize Jupyter Notebooks for data analysis and reporting.Design, build, and maintain data pipelines and ETL processes using tools such as Apache NiFi and Diode. Integrate data from various sources to support security operations and analytics.Implement and manage automation workflows using SOAR platforms. Develop automated incident response playbooks to streamline CSOC processes.Deploy, configure, and manage EDR solutions to detect and respond to security threats. Conduct thorough investigations and analysis of EDR alerts.Perform digital forensic investigations to identify and analyze security incidents. Collect, preserve, and analyze digital evidence in accordance with legal and organizational requirements.Configure and maintain SIEM tools like Splunk or Elk for real-time monitoring and threat detection. Develop and refine correlation rules, dashboards, and reports to enhance threat visibility.Minimum Qualifications:Bachelor’s degree and 7+ years’ experience in cyber security or High School Diploma and 11+ years’ experienceExperience in cyber development, scripting, and automationExperience with data engineering tools and techniques, including ETL processes and Apache NiFi or similarExperience with automation and SOAR platformsExperience using EDR solutions or digital forensics methodologiesExperience using SIEM tools like Splunk, Elk or similarPreferred Qualifications:Relevant certifications (e.g., CISSP, GIAC, CEH)Clearance Requirements:Must have a current/active TS/SCI w/ polygraphPhysical Requirements:The person in this position must be able to remain in a stationary position 50% of the timeSKN.7.23

ManTech seeks a motivated, career and customer-oriented Senior Systems Engineer to join our team in Herndon, VA The Senior Systems Engineer with a strong background in Citrix and NetScaler technologies to join our team in Herndon, VA. The successful candidate will play a key role in designing, implementing, and maintaining enterprise-level systems that support critical applications and user environments.Responsibilities include but are not limited to:Manage and optimize Citrix Virtual Apps and Desktops, ensuring high performance and availability.Configure, deploy, and maintain NetScaler appliances (SDX, MPX, VPX) and Citrix Gateway solutions, including GSLB.Monitor and troubleshoot user experiences and NetScaler operations.Collaborate with network teams to design and implement NetScaler solutions with VLANs, subnetting, and LACP.Automate workflows, develop NetScaler policies, and create custom HTML pages for enhanced functionality.Document system configurations and support upgrades to maintain operational excellence.Minimum Qualifications:Bachelor’s degree in computer science or related field with 11+ years of experience in the Information Technology fieldExperience with NetScaler appliances, including configuration, deployment, and management.Extensive hands-on experience with Citrix technologies such as Virtual Apps and Desktops (formerly XenApp/XenDesktop).Strong knowledge of load balancing, application delivery, and secure remote access using NetScaler.Experience monitoring and optimizing Citrix environments for performance and user experience.Familiarity with Citrix Workspace and related services.Preferred Qualifications:Proficiency with SDX, MPX, and VPX appliances.Experience architecting and designing Citrix Gateway solutions, including GSLB configurations.Advanced knowledge of NetScaler Console for monitoring, troubleshooting, and management with a proficiency in NetScaler policy creation, including responder and rewrite policies.Strong experience monitoring and troubleshooting XenDesktop user experiences in enterprise environments.Familiarity with Citrix Virtual Applications and Desktops on platforms such as Hyper-V, Nutanix, VMware, and with tools and strategies for enhancing user experiences in virtualized environments.Experience designing and installing NetScalers in collaboration with network teams and an advanced understanding of VLANs, subnetting, and LACP (Link Aggregation Control Protocol).Proficiency in scripting and automation for Citrix and NetScaler environments and an expertise in identifying and resolving Citrix-related issues to ensure optimal end-user performance.Clearance Requirements:An active 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.Constantly positions self to maintain computers in the lab, including under the desks and in the server closet

ManTech seeks a motivated, career and customer-oriented Windows Mobile Device Systems Engineer to join our team in Herndon, VA. Responsibilities include but are not limited to: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.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.Provide troubleshooting and engineering support for Microsoft Azure Active Directory and Group Policy and Windows Server 2019 (and higher) technologies.Collaborate with internal and external stakeholders, document system changes and updates, as well as create and deliver briefings to customers at various levels.Minimum Qualifications:Bachelor’s degree in computer science or related field with 11+ years of experience in the Information Technology fieldExperience 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 documentation and troubleshooting skills.Ability to develop and deploy best practice architecture as well as 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 managementStrong written and verbal communication skills.Clearance Requirements:An active TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position 50%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.

ManTech seeks a motivated, career and customer-oriented Windows Cloud Systems Engineer to join our team in Herndon, VA The Windows Cloud Systems Engineer will be responsible for engineering, supporting, and troubleshooting various Windows and Microsoft technologies, as well as automating processes and managing Azure environments.Responsibilities include but are not limited to:Engineer, support, and troubleshoot Microsoft Azure Active Directory and Group Policy, Microsoft Defender, including reporting and patching, and Windows 10 (and higher) desktop operating systems, including developing new build and deployment methods for Windows workstations.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, as well as monitor and administer the Azure Virtual Desktop environment.Provide support to Tier 1 and Tier 2 personnel on user issues, including application assistance, network troubleshooting, and other user-related tasks.Minimum Qualifications:Bachelor’s degree in computer science or related field with 6+ years of experience in the Information Technology fieldExperience 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.Preferred Qualifications:Experience 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.Clearance Requirements:An active 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.Constantly positions self to maintain computers in the lab, including under desks and in server closets.

ManTech seeks a motivated, career and customer-oriented Senior Windows Cloud Systems Engineer to join our team in Herndon, VA The Systems Engineer will provide 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.Responsibilities include but are not limited to:Troubleshoot and support Microsoft Azure Active Directory and Group Policy, desktop applications, including M365 products and classification management tools, and Windows Server 2019 (and higher) technologies.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.Minimum Qualifications:Bachelor’s degree in computer science or related field with 11+ years of experience in the Information Technology fieldSignificant 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 and documentation skills.Preferred Qualifications:Experience 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 with the ability to create/modify MS PowerShell scripts.Certifications: Microsoft Certifications, Microsoft AZ-900, and MS-900.Clearance Requirements:An active TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position 50%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.

ManTech seeks a motivated, career and customer-oriented SeniorWindows Cloud Systems Engineer to join our team in Herndon, VA. The Senior Windows Cloud Systems Engineer will be responsible for providing problem resolution, supporting existing infrastructure services, and integrating new capabilities within the scope of required skills.Responsibilities include but are not limited to:Provide 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, Azure Active Directory and Group Policy, and desktop applications, including M365 products and classification management tools.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 processes to automate tasks and configuration items using PowerShell.Conduct and review Rapid7 scans, updating the system and clearing vulnerabilities.Minimum Qualifications:Bachelor’s degree in computer science or related field with 11+ years of experience in the Information Technology fieldSignificant 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 troubleshooting and documentation skills.Preferred Qualifications:Experience 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.Clearance Requirements:An active TS/SCI with PolygraphPhysical 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.