• Specialist, Systems Engineering (Mission…

    L3Harris (Springfield, VA)
    …of national security. Job Title: Specialist, Systems Engineer - Mission Protection Specialist (Active TS / SCI w / CI Poly Required)Job Code: 24380Job ... (OPSEC), counterintelligence, cyber defense, and threat principles to protect sensitive capabilities to ensure the survivability of US assets...years of prior related experience.* Active Top Secret / SCI with CI Poly clearance… more
    L3Harris (05/29/25)
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  • Enterprise IT Support Officer (Eitso)

    Acclaim Technical Services (Herndon, VA)
    …firms and continues to grow. ATS is actively hiring an IT Support Officer w / TS / SCI w / Poly to join the Mission Technology and Solutions Business ... ITIL(R) v4 Foundation, or higher, certification. Security Clearance Requirements: + Current/active TS / SCI with Polygraph. Physical Requirements: + Must be able… more
    Acclaim Technical Services (08/01/25)
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  • Field Engineer

    CACI International (Fairfax, VA)
    …employee must also occasionally lift and/or move up to 50 pounds or more + Top Secret / SCI w / Poly Required + Up to 50% travel flexibility is ... and Technical Support Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to… more
    CACI International (07/02/25)
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  • Windows Systems Administrator

    Leidos (Arlington, VA)
    …**Preferred Qualifications** + Prior experienced with DISA and DISA's support to mission partners + TS / SCI w /CI Poly Preferred + Integration of Network ... currently seeking a Windows Systems Administrator to join the Compartmented Enterprise Services Office (CESO) effort. This program is...be considered in lieu of degree. + **An active TS / SCI security clearance is required for this… more
    Leidos (07/18/25)
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  • Information System Security Officer,…

    Lockheed Martin (Herndon, VA)
    …be a US Citizen for consideration\. **Clearance Level:** TS / SCI w / Poly **Other Important Information You Should Know** **Expression of Interest:** ... **Description:** **This position requires TS / SCI clearance with the ability to...CI polygraph\.** This position will perform duties as an Information Systems Security Officer at the Lockheed Martin Space… more
    Lockheed Martin (08/08/25)
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  • Physical Security Representative, Construction…

    Lockheed Martin (Herndon, VA)
    …be a US Citizen for consideration\. **Clearance Level:** TS / SCI w / Poly **Other Important Information You Should Know** **Expression of Interest:** ... **Description:** ** TS / SCI clearance with ability to obtain...external stakeholders to develop and respond to Requests for Information , performing routine secure area construction project inspections to… more
    Lockheed Martin (07/12/25)
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  • Director Business Development (Dir Business…

    Huntington Ingalls Industries (Mclean, VA)
    …Principle Assistant Program Manager, Business Director, Acquisition Manager, Technical Director. + Current TS / SCI clearance w / Poly The listed salary ... Full Time/Salaried/Exempt Anticipated Salary Range: $155,337.00 - $230,000.00 Security Clearance: TS / SCI Level of Experience: Management This opportunity resides… more
    Huntington Ingalls Industries (06/11/25)
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  • AI/ML Engineer

    Parsons Corporation (Centreville, VA)
    …Attendance at quarterly PI Planning events (MD/VA) **Security Clearance Requirement:** An active Top Secret SCI w /Polygraph security clearance is ... may be considered in lieu of degree. + US Citizen with Active security clearance ( TS SCI w /CI Poly ) + Prior experience with DOD, USCYBERCOM or their… more
    Parsons Corporation (06/07/25)
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  • Network Engineer

    Leidos (Chantilly, VA)
    …with each other **Requirements for this role:** + Clearance: Must have a Top Secret / SCI w / Poly to be considered + Must have a Bachelors degree and ... at least 12 years of experience OR a Masters degree and at least 10 years of prior relevant experience preferred OR 16 years of relevant career experience in lieu of degree. + Layer 2 and Layer 3 hands-on configuration experience, with emphasis on routing… more
    Leidos (08/08/25)
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  • Network Engineer

    Leidos (Chantilly, VA)
    …projects and tasks with some oversight. Basic Qualifications: * Clearance: Must have a Top Secret / SCI w / Poly to be considered * Must have a Bachelors ... degree and 8 years of experience OR a Masters degree and 6 years of prior relevant experience preferred OR 12 years of relevant career experience in lieu of degree. * Layer 2 and Layer 3 hands-on configuration experience, with emphasis on routing protocols… more
    Leidos (06/18/25)
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