• National Security Sector Referrals

    Leidos (Reston, VA)
    …(CNO), Offensive Cyber, Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. **Join us and make a ... years of experience in lieu of a degree + Clearance Preferred (and commonly required): TS/SCI with Polygraph. At...least 3 days with an anticipated close date of no earlier than 3 days after the original posting… more
    Leidos (10/18/25)
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  • Associate Industrial Security…

    Leidos (Lorton, VA)
    …* Maintain Personnel Security databases to track new employee security clearance actions and annual security training completion status. * Take independent ... other relevant DoD security guidance as well as the Intelligence Community Directive (ICD) standards * The position requires...least 3 days with an anticipated close date of no earlier than 3 days after the original posting… more
    Leidos (12/17/25)
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  • Systems Network Administrator (SNA-0)

    Leidos (Laurel, MD)
    …Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At **Leidos** , we ... of relevant systems administration experience is required. + **Security Clearance Requirement** : Candidates must possess an active **TS/SCI**...least 3 days with an anticipated close date of no earlier than 3 days after the original posting… more
    Leidos (12/20/25)
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  • COMSEC/Network Engineer

    Leidos (Laurel, MD)
    …Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At **Leidos** , we ... may be substituted for a bachelor's degree. + **Security Clearance ** : Active TS/SCI with Polygraph required to be...least 3 days with an anticipated close date of no earlier than 3 days after the original posting… more
    Leidos (11/22/25)
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  • Systems Network Administrator (SNA-2)

    Leidos (Laurel, MD)
    …Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At **Leidos** , we ... certifications, Red Hat, Sun, VMWare, COMPTIA, etc. + **Security Clearance ** : Active TS/SCI with Polygraph required to be...least 3 days with an anticipated close date of no earlier than 3 days after the original posting… more
    Leidos (11/18/25)
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  • Offensive Cyberspace Operational Planner, Junior

    Leidos (Odenton, MD)
    …**What does Leidos need from me?** + Active Top Secret/SCI (TS/SCI) security clearance with Polygraph is required for consideration. + BA/BS degree within Computer ... operations across multiple warfighting domains. + Demonstrated experience incorporating Artificial Intelligence and Machine Learning into operations at any level to… more
    Leidos (11/28/25)
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  • Program Lead - System Engineer

    Leidos (Odenton, MD)
    …design, deployment, integration, maintenance, and support for Joint Worldwide Intelligence Communications Systems (JWICS) supporting DISA customers is fully ... related Master's degree. + Active DoD Top Secret Security Clearance and ability to obtain a DoD Top Secret...least 3 days with an anticipated close date of no earlier than 3 days after the original posting… more
    Leidos (11/11/25)
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  • Subcontracts Administrator - (Herndon, VA OR 100%…

    Serco (Herndon, VA)
    …branch of the US military, numerous US Federal civilian agencies, the Intelligence Community, the Canadian government, state, provincial and local governments, and ... our policies and benefit plans. The application window for this position is for no more than 60 days. We encourage candidates to apply promptly after the posting… more
    Serco (12/24/25)
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  • Senior Internal Auditor - (Herndon, VA *Hybrid)

    Serco (Herndon, VA)
    …branch of the US military, numerous US Federal civilian agencies, the Intelligence Community, the Canadian government, state, provincial and local governments, and ... our policies and benefit plans. The application window for this position is for no more than 60 days. We encourage candidates to apply promptly after the posting… more
    Serco (12/03/25)
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  • Junior Recruiter - (Hybrid)

    Serco (Herndon, VA)
    …branch of the US military, numerous US Federal civilian agencies, the Intelligence Community, the Canadian government, state, provincial and local governments, and ... our policies and benefit plans. The application window for this position is for no more than 60 days. We encourage candidates to apply promptly after the posting… more
    Serco (11/25/25)
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