• Senior Counterintelligence Referent

    ManTech (Chantilly, VA)
    …Development & Acquisition (RDA). **Clearance Requirements:** + Must have a current/active TS / SCI w/Polygraph. **Physical Requirements:** + Must be able to remain ... Customer Security staff and supporting mission assurance across daily operations , critical infrastructure, Research, Development, and Acquisition (RDA), and major… more
    ManTech (12/03/25)
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  • Cybersecurity Engineer 6

    M. C. Dean (Chantilly, VA)
    …and may meet eligibility requirements, including US Citizenship, for access to classified information ; **ACTIVE TS / SCI w/ POLY REQUIRED** **Education:** + 9+ ... federal, local and commercial customers across high-growth markets. Responsibilities ** Information System Security Engineer Position Summary** In this position you… more
    M. C. Dean (11/28/25)
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  • AI Application Architect

    ManTech (Chantilly, VA)
    …and big data platforms. **Clearance Requirements:** + Must possess a current and active TS / SCI with poly **Physical Requirements:** + The person in this position ... solutions meet objectives using Oracle Cloud Infrastructure best practices, product knowledge , and business acumen. + Recommend enhancements to meet highly complex… more
    ManTech (11/27/25)
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  • Acquisition Systems Engineer

    SAIC (Chantilly, VA)
    …JD and nine (9) years or more experience. + Must be a US Citizen with active TS / SCI security clearance with CI polygraph. + **Must have at least 3+ years of ... that provides global, persistent, real-time surveillance and activity-based intelligence information . As an Acquisition Systems Engineer, you will provide… more
    SAIC (11/26/25)
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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** ... person will learn firsthand about project phases, tasks, activities, schedules, and operations . + Work and collaborate with Program Management personnel on matters… more
    M. C. Dean (11/26/25)
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  • Chemical Security & Elimination Subject Matter…

    Red Gate Group (Fort Belvoir, VA)
    …programs + Understanding of emerging agent trends and chemical security policy. + TS / SCI eligibility highly desired. The Red Gate Group, Ltd. is an ... acquisition strategy, and international capacity building in some of the most sensitive and consequential mission areas. Key Responsibilities You will serve as a… more
    Red Gate Group (11/22/25)
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  • Information System Security Officer (ISSO)…

    KBR (Chantilly, VA)
    …Associate's degree with over 5 years of experience + 2 years of experience + TS / SCI with polygraph; ability to obtain and maintain Special Access Program (SAP) ... Title: Information System Security Officer (ISSO) - Junior Belong....KBR's work is at the forefront of engineering, logistics, operations , science, program management, mission IT and cybersecurity solutions.… more
    KBR (11/21/25)
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  • Senior Software Developer

    ManTech (Herndon, VA)
    …have a current/active Secret clearance with the ability to obtain and maintain a TS / SCI . + The ability to obtain and maintain a DHS EOD suitability is ... and other artifacts that support software use, maintenance, troubleshooting, and operations + Uses software development best practices for code documentation,… more
    ManTech (11/21/25)
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  • Data Analyst

    Leidos (Mclean, VA)
    …control tools (eg, Git) in a secure, collaborative environment. **Basic Qualifications:** + TS / SCI clearance with Polygraph is required. + Experience with Python ... team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (11/19/25)
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  • Sr Product Manager - Technical, Amazon Leo…

    Amazon (Arlington, VA)
    …selected be a US Citizen and must currently possess and maintain an active TS / SCI security clearance. Basic Qualifications - Bachelor's degree - 5+ years of ... * Create detailed product requirements documents based on an intimate knowledge of the specific customer verticals including use case prioritization, feature… more
    Amazon (11/19/25)
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