• Red Cell Cyber Analyst

    Amentum (Fort Belvoir, VA)
    …and operations. + Should have a diverse understanding of network and information security operations, network exploitation, and telecommunications. + Perform ... communications-both oral and written, and project management experience. + TS / SCI Required + US Citizenship Required **Desired Skills/Qualifications**… more
    Amentum (12/09/25)
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  • Architecture Network Engineer

    Leidos (Chantilly, VA)
    …+ Develop secure network designs including configurations that align with Defense Information Security Agency (DISA) Security Technical Implementation Guides ... configurations, and other supporting documents. + Use our private test lab to evaluate new technologies and capabilities, ...(WANs). **Basic Requirements** + Required Clearance to be considered: TS / SCI with Polygraph + Candidate must have… more
    Leidos (12/09/25)
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  • R & D Architect Support Engineer/Systems Engineer

    KBR (Chantilly, VA)
    …Requirements: Minimal 0-20% + Working Hours: Standard/Flexible Qualifications: Required: + Security Clearance Requirements: TS / SCI with Polygraph required ... will support the Applied Research & Development (R&D) acquisition, integration and test initiatives with a specific focus area. Specifically, the candidate will… more
    KBR (09/30/25)
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  • GEOINT Electro-Optical/Infra-Red Processing System…

    KBR (Chantilly, VA)
    …Travel Requirements: Minimal 0-20% + Working Hours: Standard/Flexible Qualifications: Required: + Security Clearance Requirements: TS / SCI with Polygraph + ... in designing and optimizing defense systems that ensure national security and shape the future of space defense. Key...the customer team in order to effectively develop, integrate, test and deploy intelligence mission processing systems with a… more
    KBR (09/30/25)
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  • Pashto/Dari Linguist

    Leidos (Reston, VA)
    …Clearance:** + **No clearance required to apply** . + **Able to obtain a TS / SCI clearance with polygraph** (must be fully adjudicated before work begins). Leidos ... your linguistic expertise to meaningful work that directly supports national security ? At **Leidos** , we bring together innovative minds, cutting-edge technology,… more
    Leidos (12/16/25)
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  • Program Support Specialist 1

    M. C. Dean (Chantilly, VA)
    …must meet eligibility requirements, including US Citizenship, for access to classified information ; **ACTIVE TS / SCI w/ Poly is REQUIRED** ... With over 7,000 employees, our capabilities span electrical, electronic security , telecommunications, life safety, automation and controls, audiovisual, and IT… more
    M. C. Dean (11/26/25)
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  • API Java/Developer, JR

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …cloud-based solutions, associates with the system engineers and developers to ensure information security CGI Federal is growing its high-performance team whose ... API/Java/Python Developer within our Intel sector advancing the national security mission through cutting edge technology. You must have...US Citizen with the ability to obtain and maintain TS / SCI with CI Poly clearance . Proficiency… more
    CGI Technologies and Solutions, Inc. (11/13/25)
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  • Sr Acquisitions Specialist

    KBR (Chantilly, VA)
    …+ Travel Requirements: Minimal 0-20% + Working Hours: Standard Qualifications: Required: + Security Clearance: Active TS / SCI with a polygraph + Education: ... Sr Acquisitions Specialist Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to… more
    KBR (11/07/25)
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  • Systems Engineer - Research and Development…

    KBR (Chantilly, VA)
    …Engineering (MBSE) practices and SysML. Travel: CONUS and OCONUS travel may be required. Security Requirements: Active TS - SCI w Polygraph Belong, Connect and ... and Development - Senior Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to… more
    KBR (10/29/25)
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  • Sr System Engineer

    KBR (Chantilly, VA)
    …Engineering experience preferred Travel: CONUS and OCONUS travel may be required. Security Requirements: Active TS - SCI /w Polygraph Belong, Connect and ... Title: Sr System Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to… more
    KBR (10/21/25)
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