Description Are you ready for a rewarding career challenge Unleash your potential at Leidos, where we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer’s success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.If this sounds like an environment where you can thrive, keep reading!Are you an experiencedSenior Cyber Range Engineerlooking for a new challenge Join our team supporting the cutting-edge Cyber TRIDENT Program and make an impact by guiding the definition, implementation, and delivery of capability focused on Cyber Training systems. As a key player in our team, you will leverage your skills to provide expertise in large scale cyber exercises and multi-spectrum cyber operations. Don't miss the opportunity to take your career to the next level and be part of an innovative and dynamic environment. Apply now!Your greatest work is ahead!The Mission The Leidos National Security Sector provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for National Security include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world’s toughest security challenges for customers with “can’t fail” missions. From scanning for illicit material at ports and borders to predicting future events and instability up to five years in advance, our products help customers make the world safer. To explore and learn more, click here!Are you ready to join a team dedicated to a mission Begin your journey of a flourishing and meaningful career - share your resume with us today!Primary ResponsibilitiesYour Main Objective:Responsible for operational planning in support of training, exercises, operations, and coordination of integrated cyber operations.Support large scale cyber exercises and multi-spectrum cyber operations, both defensive and offensive activities.Work with cyber operators and provide cyber range expertise to enable DCO and OCO operations for Cyber Command.Translate cyber mission force training and mission rehearsal goals into actionable event environments.Support the design and execution of cyber range training events.Provide expertise in architecture, virtual environments, networking, authentication, and system security.Coach and review the work of lower-level technical staff.Focus on continuous process improvement across the training event activities.Work with stakeholders (customer, users, developers, vendors) on requirement changes that impact the training environment.Basic QualificationsWhat Sets You Apart:Bachelor’s degree in Information Technology or similar, and eight (8) or more years of experience in a relevant field. Additional experience may be considered in lieu of degree.Experience with or knowledge of the 5 stages of joint event life cycle (JETC) as it applies to training events.Experience with Linux and Windows, network administration, and networking protocols/functions (e.g., HTTP, HTTPS, SSL/TLS, SMTP, DNS).Experience with MS Active Directory and VMWare.Experience with security monitoring platforms, such as Security Onion or Splunk.Worked with Red Hat Identity Management (IdM) and Single Sign-On (SSO) technologies.Experience with commercial cloud infrastructure deployment environments such as AWS and Azure.Self-starter who can work independently in a fast-paced environment while working effectively with engineers and customers.Ability to handle and prioritize multiple tasks and requirements from stakeholders.Must have minimum Top Secret level clearance and ability to obtain and maintain a TS/SCI clearance.Possess a DoD 8570 certification, such as Security+, CCNA, CISSP or other equivalent.Preferred QualificationsYou Might Also Have: Experience with MS Exchange and Edge Transport servers.Knowledge of routing protocols, such as BGP & OSPF, and route maps.Experience with DNS servers to include queries, mail exchange and name records.Strong interpersonal, verbal, and written communication skills to interface with customers, leadership, and teammates.Four or more years of experience with cyber training and cyber operations.At Leidos, the opportunities are boundless. We inspire our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today!Original Posting Date:2024-08-28While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.Pay Range:Pay Range $101,400.00 - $183,300.00The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.#Featuredjob

Secure our Nation, Ignite your FutureJob DescriptionAre you interested in detecting internal and external threats Do you have the ability to protect and defend the most coveted targets in the world to ensure the safety of information systems assets, and protect systems from intentional or inadvertent access or destruction ManTech International Corporation is seeking individuals who are interested in joining our team and helping protect our national security, while working on innovative projects that offer opportunities for advancement.ManTech is currently looking for 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:Reviews and tests software components for adherence to the design requirements and documents test results. Resolves software problem reports.Utilizes software development and software design methodologies appropriate to the development environment.Provides specific inputtothe software components of system design to include hardware/softwaretrade-offs, software reuse, use of Commercial Off-the-Shelf/GovernmentOff-the-Shelf (COTS/GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.Analyze user requirements to derive software design and performance requirementsDesign and code new software or modifies existing software to add new featuresDebug existing software and corrects defectsIntegrate existing software into new or modified systems or operating environmentsDevelop simple data queries for existing or proposed databases or data repositoriesMake recommendations for improving documentation and software development process standards.Minimum Qualifications:Requires a Bachelor's Degree in Computer Science or related discipline from an accredited college or university is requiredWith 2 years of software engineering experience on projects with similar software processes Or 4 years of additional software engineering experience may be substituted in lieu of a degree.Experience with Python, Angular and React, knowledge with Docker, and familiar with KubernetesClearance 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.7.1.LB.INCA.SW23For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license.The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at . ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click and provide your name and contact information.

Description The Leidos has a career opportunity for a Web Developer in the Fort Meade area, MD.An active TS/SCI with Polygraph is required to be considered for this position.Program SummaryLeidos is a preferred subcontractor on a large, multi-year contract that develops, integrates deploys, and sustains large collection systems. Team members work autonomously and explore new technologies. We provide exceptional service to our customer in an area in which we have deep incumbent knowledge.Significant requirements include Mission Management, Operations, and Sustainment activities.Job SummaryResponsible for designing, creating, testing and maintaining the current webpage and the transition to an enterprise standard. Required QualificationsActive TS/SCI with PolygraphBS and 4 yrs of experience as a Web Developer OR 8 years of experience without a degreeExperience with standard HTML/ JavaScript.Desired SkillsGitJavaJSPApache MavenApache TomcatStrutsRPMsCONMDOriginal Posting Date:2024-08-19While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.Pay Range:Pay Range $81,250.00 - $146,875.00The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Secure our Nation, Ignite your FutureBecome 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 Software Assurance Evaluation Engineer to join our team in Hanover, MD. 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:Responsible for working with a team to analyze source code using automated Software Assurance (SwA) tools.Contributes to developing testing methodologies, formulates testing scores and creates test cases that support SwA tool analysis.Supports testing of client software and interfaces with clients to define recommended remediation.Creates reports and documentation.Using and tuning source code analysis tools, evaluating the strengths and weaknesses and determining the suitability for a given software/customer environment.Designing and testing source code SwA analysis processes.Interpreting, prioritizing and using source code SwA tools results to remediate potential vulnerabilities in software.Experience in programming in Python or other scripting languagePerforming statistical analysis and reporting on multiple variables in a SwA environment.Written communication skills in writing technical reports.Surveying industry to identify new source code SwA tools and methodologies.Professional teaching and demonstrated experience creating or presenting technical briefingsMinimum Qualifications:Bachelor’s Degree in software engineering, computer science or electrical engineering and 12 years’ experience in systems security engineering, software vulnerability assessment. Or (8 with a Master’s Degree in software engineering, computer science or electrical engineering)Five (5) years of experience using and tuning source code analysis tools, evaluating the strengths their strengths on weaknesses.Three (3) years of experience designing and testing SwA Analysis Processes.Three (3) years of experience interpreting, prioritizing, and using source code SwA Tools results to remediate potential vulnerabilities in software.Three (3) years of experience in Python programming (or some other scripting language)Five (5) years of experience preparing and presenting briefings and written reports on software assurance issues.Two (2) years of experience performing statistical analysis.Minimum of five (5) years of experience programming in Java, C, C++, or C#.Preferred Qualifications:Experience with some or all the below technologies:KlockworkCodePeerFortran-LintCodeSonarSecurity FortifyIDA ProMATLABSecurity Clearance Requirements:Current/active TS/SCI w/ PolygraphFor all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license.The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at . ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click and provide your name and contact information.

Description This position will support GSM-O II Task Number 07 (TN07), which provides support to Joint Force Headquarters-DoD Information Network (JFHQ-DODIN). JFHQ-DODIN provides network operations and defensive cyber operations support to the United States Cyber Command in support of the DoD. The selected candidate shall provide analysis that provides 24 hours per day x 7 days per week x 365 days per year support JFHQ-DODIN Operations Center, providing command, control, and defensive cyber operations (DCO) functions across the Combatant Commands, Service Cyber Components, Agencies, and Field Activities in addition to 24/7 coordination with USCYBERCOM and other partner agencies.Primary ResponsibilitiesCollect intelligence on events occurring both internal and external community of interestEnhance Situational Awareness (SA), Situational Understanding (SU), and identify possible relationships, trends, and adversary TTPs based on threat intelligence information.Provide all-source intelligence support to JFHQ-DODIN operations, such as Named Operations, DODIN Cyber Protection Teams’ (CPT) defensive missions, Command Cyber Readiness Inspection (CCRI)s and Command Cyber Operational Readiness Inspection (CCORI)s.Conduct open-source intelligence research in support of threat discovery or research.Research, analyze, corroborate, and assess vulnerabilities, Information Assurance Vulnerability information as it is related to intelligence reporting.Analyze and track vulnerability disclosure program (VDP) incidents as it relates to intelligence reporting.Ensures JFHQ-DODIN information provided to foreign entities is compliant with federal statues and restrictions.Collect analysis metrics and trending data, identify key trends, and provide situational awareness on these trends.Basic QualificationsActive DoD TS/SCI clearance and eligible for C/I PolygraphTypically requires a bachelor's degree in a related discipline with 4+ years of applicable combined education and experience; additional related years of experience is accepted in lieu of a degree.Security+ CertificationPreferred QualificationsExperience with DISA and DoD Networks.Demonstrated experience briefing Senior Executive Service (SES) and General Officer/Flag Officer (GO/FO) leadership.Experience in intelligence driven defense and/or cyber Kill Chain methodology.GSMOOriginal Posting Date:2024-08-01While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.Pay Range:Pay Range $81,250.00 - $146,875.00The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Secure our Nation, Ignite your FutureWe are looking for a skilled AWS Developer working in a Kubernetes environment to join our dynamic team. In this role, you will be responsible for designing, building, and maintaining next-generation cloud-based systems using Kubernetes. You will work closely with our development team to ensure system consistency and improve user experience. You will also be responsible for integrating new system features, improving functionality, and providing technical support.ManTech is currently looking forCloudSoftware Engineers to join our teamin theFt. Meade, MD area. In this role, you will develop, maintain, and enhance complex and diverse Big-Data cloud systems based upon documented requirements.requirements.Responsibilities include, but are not limited to:Perform requirements analysis, software development, installation, integration, evaluation, testing, and problem diagnosis/resolutionModify software and algorithms designed for traditional environments to operate in cloud environmentsProvide support to platforms and services based on Amazon Web Services (AWS) or other commercial cloud hosting environmentsProvide support to platforms and services running in Kubernetes Orchestration PlatformSupport the transition of operational systems and applications from traditional platforms to containerized/serverless environmentsMaintain and integrate software into Continuous Integration / Continuous Deployment (CI/CD) pipelines.Support operational systems utilizing Kubernetes Orchestration PlatformMinimum 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 may be substituted in lieu of a degree.7 years of software engineering experience on projects with similar software processesPerform requirements analysis, software development, installation, integration, evaluation, testing, and problem diagnosis/resolutionModify software and algorithms designed for traditional environments to operate in cloud environments.Must have experience or knowledge with Kubernetes.Certification requirements:One or more of the following 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 Administrator Clearance 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.7.1.LB.INCA.SW23For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license.The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at . ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click and provide your name and contact information.

Description Are you ready to work for a company that not only supports mission critical projects but also prioritizes investing in the growth and development of its employees Join us at Leidos, where your most important work is ahead! You will enjoy great benefits such as paid time off (PTO), flexible schedules, discounted stock purchase plans, career growth, education and training support, parental paid leave and more! We celebrate our milestones with chili cooks offs, Pi Day with Pies, group lunches, end of year celebrations, recognition awards and much, much more. You will have the opportunity to work under exceptional industry leadership at every level, where prioritizing employees, and their work, is paramount.Join our team working on one of our most prestigious programs delivering modern Identity Access Credential Management (ICAM) solutions supporting highly visible applications and building our next generation of applications.Leidos is looking for a Software Developer to support a technical development program supporting the Sponsor’s Web-based applications. The Software Developer will work with a large team of developers, DevOPS engineers, security engineers, and data engineers. The developer may work on both front-end (UI) and back-end aspects of the systems. The software developer will be required to carry a duty phone on a rotational basis and may need to come in to address issues that arise.Primary Responsibilities• Knowledge/experience with the development of Cloudformation scripts to generate network and application infrastructure in a repeatable fashion• Ability to write custom scripts to install and configure code in EC2 instances• Experience with Python• Develop Java and Python applications that leverage Neo4j and Elasticsearch• Ability to Implement NodeJS PM2 for application monitoring and resiliency• Utilized SAFe agile techniques to manage workload• Leverage Amazon Web Services• Experience creating RESTful APIQualifications• Must have an active TS/SCI with Polygraph• Typically requires a Bachelors and 8+ years of experience or a Master’s with 6+ years of prior relevant experience. Experience may be used in lieu of degree.• Strong Java programming skills for Web-based applications• Experience in working on teams utilizing Agile workflows and processes• Working knowledge of the Spring framework• Cloud environments• Databases: Oracle, Oracle RDS, DynamoDBOriginal Posting Date:2024-08-03While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.Pay Range:Pay Range $101,400.00 - $183,300.00The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Secure our Nation, Ignite your FutureBecome 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 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:Current and 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.For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license.The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at . ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click and provide your name and contact information.

Description Are you ready to work for a company that not only supports mission critical projects but also prioritizes investing in the growth and development of its employees Join us at Leidos, where your most important work is ahead! You will enjoy great benefits such as paid time off (PTO), flexible schedules, discounted stock purchase plans, career growth, education and training support, parental paid leave and more! We celebrate our milestones with chili cooks offs, Pi Day with Pies, group lunches, end of year celebrations, recognition awards and much, much more. You will have the opportunity to work under exceptional industry leadership at every level, where prioritizing employees, and their work, is paramount.Join our team working on one of our most prestigious programs delivering modern Identity Access Credential Management (ICAM) solutions supporting highly visible applications and building our next generation of applications.Leidos is looking for a Software Developer to support a technical development program supporting the Sponsor’s Web-based applications. The Software Developer will work with a large team of developers, DevOPS engineers, security engineers, and data engineers. The developer may work on both front-end (UI) and back-end aspects of the systems. The software developer will be required to carry a duty phone on a rotational basis and may need to come in to address issues that arise.Primary Responsibilities• Knowledge/experience with the development of Cloudformation scripts to generate network and application infrastructure in a repeatable fashion• Ability to write custom scripts to install and configure code in EC2 instances• Experience with Python• Develop Java and Python applications that leverage Neo4j and Elasticsearch• Ability to Implement NodeJS PM2 for application monitoring and resiliency• Utilized SAFe agile techniques to manage workload• Leverage Amazon Web Services• Experience creating RESTful APIQualifications• Must have an active TS/SCI with Polygraph• Typically requires a Bachelors and 12+ years of experience or a Master’s with 10+ years of prior relevant experience. Experience may be used in lieu of degree.• Strong Java programming skills for Web-based applications• Experience in working on teams utilizing Agile workflows and processes• Working knowledge of the Spring framework• Cloud environments• Databases: Oracle, Oracle RDS, DynamoDBOriginal Posting Date:2024-08-03While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.Pay Range:Pay Range $122,200.00 - $220,900.00The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Description Are you ready to work for a company that not only supports mission critical projects but also prioritizes investing in the growth and development of its employees Join us at Leidos, where your most important work is ahead! You will enjoy great benefits such as paid time off (PTO), flexible schedules, discounted stock purchase plans, career growth, education and training support, parental paid leave and more! We celebrate our milestones with chili cooks offs, Pi Day with Pies, group lunches, end of year celebrations, recognition awards and much, much more. You will have the opportunity to work under exceptional industry leadership at every level, where prioritizing employees, and their work, is paramount.Join our team working on one of our most prestigious programs delivering modern Identity Access Credential Management (ICAM) solutions supporting highly visible applications and building our next generation of applications.Leidos is looking for a Software Developer to support a technical development program supporting the Sponsor’s Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Attributes and Digital Policy Management. The Software Engineer will work with a large team of developers, software engineers and data engineers.Primary Responsibilities• Knowledge/experience with the development of Cloudformation scripts to generate network and application infrastructure in a repeatable fashion• Ability to write custom scripts to install and configure code in EC2 instances• Experience with Python• Develop Java and Python applications that leverage Neo4j and Elasticsearch• Ability to Implement NodeJS PM2 for application monitoring and resiliency• Utilized SAFe agile techniques to manage workload• Leverage Amazon Web Services• Experience creating RESTful APIQualifications• Must have an active TS/SCI with Polygraph• Typically requires a Master’s with 15+ years of prior relevant experience. Experience may be used in lieu of degree.• Strong Java programming skills for Web-based applications• Must have experience with Java, Springboot, Python and the Cloud / Amazon Web Services• Prior experience reading and developing solutions to customer requirements• Knowledge of Git, Jenkins, or RundeckBasic Qualifications• Experience with Jrandle is preferred• Desired IBM BAW and BPM or quick studyOriginal Posting Date:2024-08-03While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.Pay Range:Pay Range $144,300.00 - $260,850.00The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Description Looking for an opportunity to make an impact The Leidos National Security Sector is seeking an experienced SecDevOps Lead in a key role to lead a team of web developers, application developers, engineers, designers, system administrators, information security officers, and help desk specialists for an Intelligence Community customer. The team will ensure the continuous operation, maintenance, and security of the customer’s intelligence discovery website and application suite on multiple networks and domains. In addition, the candidate will focus on enhancing and maintaining the CI/CD pipeline, automating infrastructure management, performing database administration, and developing scripts for automation. Work with a diverse team of technical staff to maintain and expand customers’ capabilities to the Defense Intelligence Enterprise. In this key personnel role, the position demands leadership and a hands-on approach to information security, software development, tiered IT support, automation, and maintaining government authority to operate (ATO) for integrated platforms that are critical to the Office of the Secretary of Defense and the warfighter. This Key Personnel opportunity is in anticipation of an upcoming contract award!What you’ll be doing:Lead and mentor a team of web developers, application developers, designers, system administrators, information security officers, and help desk specialists conducting O&M to ensure availability, reliability and security as the systems expand to a larger customer base.Ensure that all applications remain operational on all applicable networks with all updates and enhancements required to maintain functionality.Enhance the efficiency, capability, and interoperability of all applications through requirements management, database programming and administration, web programming, web server customization and administration, application testing, and web design.Provide full operational and user support to maintain availability (99.9%) and reliability of all applications.Limit planned outages to occur during non-peak hours unless otherwise defined by the government.Enhance, improve, and maintain CI/CD and DevOps scripts and processes to facilitate faster development and error detection and resilient deployments.Use back-end technologies such as Oracle, Postgres, Mongo Database, Redis, ElasticSearch, Solr, Structured Query Language (SQL), Node.js with Typescript, and Server-Side Languages (Java, etc.) to develop a secure, efficient, and reliable architecture.Implement and maintain security measures in line with government regulations, including data protection and cybersecurity frameworks.Participate in Agile release planning, scrum of scrums, bug triage, design sessions and other meetings.Collaborate with government leads and stakeholders, as well as other contract technical leads, to define project requirements, goals, and timelines.Ensure system compatibility with all integrated dissemination applications.Monitor project progress, address any technical challenges, adjust priorities as needed to meet milestones, and provide regular updates to government and contract program managers.Perform software code maintenance for all applications and systems, on development and production servers, to ensure that the capability meets all security requirements for the applicable domains.Develop and maintain a conceptual data model to accommodate multiple intelligence domains and arrange for data transfer between the domains.Manage and update all authority to operate (ATO) documentation and processes in accordance with customer policies and guidance.Provide Tier 1, 2 and 3 help desk support on a schedule that meets the demands of an enterprise-wide user base, including multiple shifts to cover operations up to 24 hours per day.What does Leidos need from me Must have an active TS/SCI security clearance with an ability to obtain a Polygraph.BS in Engineering, Computer Science, Systems Engineering, or related field or equivalent experience with 10 plus years in software development, technology management, system engineering or related field. Eight plus years of experience with master’s degree.Experience with both front-end technologies/frameworks (e.g., Angular, React) and backend implementation.Experience with database maintenance (e.g., SQL, NoSQL), and familiarity with search technologies (e.g., Elasticsearch, Solr).Experience overseeing operational environment and presenting overview briefings and updates to government leads, partners, and customers; reporting on progress at performance improvement meetings; and identifying opportunities for increase effectiveness, efficiency, scale, and impact.Experience in the identification and mitigation of any issues or trends that pose a risk to project priorities.Favorable if you have:Experience leading O&M on critical classified systems.Experience managing a technical team through a government ATO process.Original Posting Date:2024-06-24While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.Pay Range:Pay Range $122,200.00 - $220,900.00The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Description Unleash Your Potential!At Leidos, we deliver innovative solutions by leveraging our diverse and talented workforce who are dedicated to our customer’s success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like an environment where you can thrive, keep reading! Do you thrive working in small teams that collaborate closely with customers Are you intrigued by big data Our prototype development program is seeking someone with a strong mission focus who is passionate about new development and rapid prototyping. We want someone who can help us discover smarter, innovative approaches to support mission operations, discover new analytics, enhance tradecraft, and much more!Our LOE program provides our customer's Operations organization with the best possible solutions for their mission needs. We achieve this through rapid prototyping, new development, and advanced technology research. From leading-edge visualizations to analytic development, we're always pushing the boundaries to find new and better data sources and tradecraft to answer intelligence questions. With a focus on collaboration and a fast-paced environment, our prototype development program is the ideal place to grow your skills and make a real impact. Clickhereto learn more about how this program “Delivers Mission Success!”Your greatest work is ahead! If you’re a talented Senior Database Manager with a TS/SCI polygraph clearance, we want to hear from you. The Leidos National Security sector is looking for someone like you to join our team in the Fort Meade, MD area. As part of this highly visible and fast-paced prime contract, you'll enjoy a competitive benefits package including four or more weeks of Paid Time Off, Flexible Schedules, Discounted Stock Purchase Plans, Education and Training Support, Parental Paid Leave, and more! Don't miss out on this incredible opportunity to take your career to the next level. Apply today and join one of the most dynamic teams in the industry.Are you ready to join a team dedicated to a mission Begin your journey of a flourishing and meaningful career, share your resume with us today!Your Main Objective:Design, develop, test, and deliver database systemsManage life cycle support of database systems: apply patches and upgrades; diagnose and resolve problems; monitor and improve performance; migrate data from legacy systems to modern systems.Design and manage backup and recovery processes and continuity of operations plans.Select appropriate database technologies for specific requirements, such as online transaction processing systems (OLTP), decision support systems (DSS), data warehouses, object-oriented or other non-relational data stores, real-time systems, and mass storage systems.Acquire data, coordinate data flow, and promote data qualityWhat Sets You Apart:Bachelor's degree plus 4-years of relevant experience or Master’s degree in plus 2-years of relevant experience. An Associate’s degree plus 6-years of relevant experience or high school diploma/GED plus 8-years of relevant experience may be considered for individuals with in-depth experience that is clearly related to the positionComputer Science (CS) degree or related fieldTS/SCI clearance with polygraphExperience with Elasticsearch and KibanaExperience with Linux system administrationExperience with VM environments of various operating systems with tool augmentationYou Might Also Have:DevOps experienceExperience with NiagaraFiles (NiFi)Experience with IAVAs, patching, Tenable, NessusKnowledge of security hardening procedures for LinuxAt Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today! conmdOriginal Posting Date:2024-08-05While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.Pay Range:Pay Range $101,400.00 - $183,300.00The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Description Looking for a rewarding career challenge Unleash your potentialat Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer’s success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. With Leidos, you will enjoy competitive benefits such as four or more weeks of Paid Time Off, Flexible Schedules, Discounted Stock Purchase Plans, Unlimited Education and Training Support, Parental Paid Leave, and more!The Leidos National Security Sector has a career opportunity for a Senior Systems Administrator in Annapolis Junction, MD.Job SummaryProvides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. Provides Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems. Provides support for the escalation and communication of status to agency management and internal customers. Provides support for the dispatch system and hardware problems and remains involved in the resolution process. Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance.Primary Responsibilities:Provide support for implementation, troubleshooting and maintenance of IT systemsProvide Tier 1 (Help Desk) problem identification, diagnosis and resolution of problemsManage the daily activities of configuration and operation of IT systemsProvide assistance to users in accessing and using IT systemsProvide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problemsProvide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc.Provide support for the escalation and communication of status to agency management and internal customersOptimize system operations and resource utilization, and perform system capacity analysis and planningProvide in-depth experience in trouble-shooting IT systemsProvide detailed analysis and feedback to agency management and internal customers for escalated ticketsProvide support for the dispatch system and hardware problems and remains involved in the resolution processConfigure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performanceSecurity Clearance requirement:Must possess active TS/SCI with polygraph clearance to be considered for this role.Qualifications:Ten (10) years’ experience as a SA 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 is required. Five (5) years of additional SA experience may be substituted for a bachelor’s degree.conmdOriginal Posting Date:2024-09-12While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.Pay Range:Pay Range $87,100.00 - $157,450.00The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Description Looking for a rewarding career challenge Unleash your potentialat Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer’s success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. With Leidos, you will enjoy competitive benefits such as Paid Time Off, Flexible Schedules, Discounted Stock Purchase Plans, Education and Training Support, Parental Paid Leave, and more!If this sounds like an environment where you can thrive, keep reading!Are you ready to join an incredible team This contract is critical to the government and allows team members to work independently and in a team environment to achieve success. If you are passionate, motivated, and want to be part of an organization that values your contributions, we want to hear from you. Apply today!Your greatest work is ahead!The MissionThe Leidos National Security Sector uses a wide range of capabilities to support our customers’ mission to defend against evolving threats around the world. Our team’s focus is ensuring our intelligence customers have the right tools, technologies, and tactics to keep pace with an ever-evolving security landscape and succeed in their pursuit to protect people and critical assets.The Leidos National Security Sector has an exciting opening for a Sr. Systems Administrator to join our prime Leidos contract in Annapolis Junction, Maryland.You will be responsible for maintaining system administration support activities for a large complex network environment with geographically distributed systems. The position entails supporting solutions for system engineering requests that continues to meet operational needs as well as upgrading and maintaining capabilities. Must be comfortable working in a fast-paced environment with multiple air-gapped systems which have individual domains, supporting infrastructure, and maintaining a complex IT environment with multiple logins and associated supporting storage and network infrastructure. The position requires an energetic, focused, and driven individual who can adapt well to a changing environment. Ideally, the selected candidate will possess strong system administration skills and troubleshooting skills or adapt quickly and complete various system administration network-centric undertakings.*Qualified candidates are eligible for enhanced incentives including up to a $15K cash sign on bonus or a paid time off bonus. Primary Roles and Responsibilities:You will be responsible for installing and administrating systems, applications, and processes, and for ensuring that all issues are identified and resolved in a timely manner; responsible for ensuring server and desktop configurations are optimized and running continuously and efficiently; also perform security management and application performance optimization functions. Additional responsibilities may include:Administration/sustainment of a system that provides a web-based application for storing, sharing, and distributing information.Creating and maintaining complex server enclaves, including analyzing system scanning reports, patching, cert renewals, vulnerability management assessments, and active directory configurations.Identifying and correcting hardware and software issues.Responding to system administration, operations, and maintenance problems and developing re-work solutions.Creating and maintaining documentation of complex server/network environments to ensure that clear, concise, and accurate information is readily available for incident resolution.Communicating with users and external support personnel regarding system outages and upgrades and conferring with upper management regarding recommended resolution options.Security Clearance Requirement:Candidates must possess an active TS/SCI with polygraph up front to be considered for this role. There is no clearance sponsorship available for this position.Basic Qualifications & Education:Bachelor’s degree in system engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or a related technical field and eight (8) years of experience as a systems administrator. Additional experience may be substituted for degree.Must be proficient with Windows Server 2012R2, 2016, 2019, and Active Directory.Must have experience with Linux and Microsoft-based servers and workstations.Must have experience with Windows 2019.Must have experience with Apache Tomcat, IIS, and/or SQL server database experience.Must have direct experience providing assistance to end users.Must have experience optimizing system operations.Must have a solid understanding of information security principles and practices.Must have experience with or familiarity with software and security architectures.Must have experience or familiarity with the following systems: Windows/Linux operating systems, VMware, and Networking: Switches, Routers, LANs, & cabling. Must have experience documenting and providing information for security accreditation and certification. Understanding of advanced security protocols and standards. Experience with Network Security Technologies (e.g. Multiple Domain, PKI, SSP, and Vulnerability Assessment).Occasional day or short duration travel may be required.Required Qualifications:Knowledge of Red Hat 7 and 8, and VMWare.Proficiency with SQL Server desired.Experience documenting and providing information for security accreditation and certification. Understanding of advanced security protocols and standards. Experience with Network Security Technologies (e.g. Multiple Domain, PKI, SSP, and Vulnerability Assessment).Experience with software/hardware deployment, patches, and operating systems, basic system backup and restore functions.Experience with High Assurance platforms and application integration testing methods.Experience with OS and Application Hardening to include DISA, Best Practices, and High Assurance environments.Experience with both Client and Server virtualization environments.Ability to lift up to 50 lbs.Experience with installation, configuration, troubleshooting, reimaging hardware.Experience with disk arrays, PowerShell and PowerCLI, KVMs,Familiar with SALT, Ansible, Splunk, Puppet, SolarWinds, NessusKnowledge of PKI systems which uses HSMs to validate key and NTP for synchronization.Preferred Qualifications:Proficiency with SQL Server desired.careers.leidos.com/CONMDCSSKEYOriginal Posting Date:2024-08-02While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.Pay Range:Pay Range $87,100.00 - $157,450.00The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.