• Senior Linux Systems Administrator

    Leidos (Annapolis Junction, MD)
    …has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... "Delivers Mission Success!" Seeking a motivated and experienced Linux System Administrator for a small, diverseteam that provides end-to-end software, systems more
    Leidos (10/09/25)
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  • Lead, Cyber Infrastructure Systems

    L3Harris (Vandenberg Air Force Base, CA)
    cyber domains in the interest of national security. Job Title: ​Lead, Systems Administrator Job Code: 30658 Job Location: Vandenberg AFB, CA Job Schedule: ... + DoD 8570.01-M IAT Level 2 certification (eg, Security+). + Active Secret clearance required; TS /SCI-eligible clearance preferred Preferred Additional Skills: +… more
    L3Harris (11/01/25)
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  • Senior Systems Administrator

    SAIC (Fort Meade, MD)
    …can** **grow your career in a dynamic and supportive environment!** The Systems Administrator (SA) will provide support for implementation, troubleshooting, and ... **Description** SAIC, a leading provider of systems engineering & integration, systems development...enhancements to improve reliability and performance **Qualifications** + Active TS /SCI with Polygraph + Requires fifteen (15) years of… more
    SAIC (11/17/25)
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  • Linux System Administrator

    Nightwing (Arlington, VA)
    …seeking a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and deployment of ... Nightwing provides technically advanced full-spectrum cyber , data operations, systems integration and...- US Citizenship - Must have an active DoD Secret clearance, TS /SCI clearance is preferred. -… more
    Nightwing (11/26/25)
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  • Systems Administrator

    SAIC (Washington, DC)
    **Description** SAIC, a leading provider of systems engineering & integration, systems development & deployment, intelligence analysis and targeting, and ... an anticipated decision expected by fall 2025.** The System Administrator responsibilities include, but are not limited to: +...and maintain the infrastructure that powers networks and operating systems such as UNIX, Linux, and Windows. + Install… more
    SAIC (12/06/25)
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  • Exam Administrator (FSA-L1) NGA…

    Masego (Springfield, VA)
    …recognize and award your hard work. Description We are looking for an entry-level TS /SCI-cleared Exam Administrator to join our team. The Certification Exam ... Knowledge of Reasonable Accommodations Security Clearance Requirement : + TS /SCI, must be willing to take and pass a...and decades of experience, coupled with proven project management systems and top -notch client support, Masego enhances… more
    Masego (12/05/25)
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  • Information System Security Engineer - Senior

    Amentum (Warrenton, VA)
    …program is to support, operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN- TS ES) which is a ... interested in using your skills to help shape the Cyber , Security, & Intel space? If so, look no...at multiple classifications levels. **Requirements:** * Must have active Top - Secret clearance with SCI or TS more
    Amentum (12/05/25)
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  • Network Administrator

    Nightwing (Sterling, VA)
    Nightwing provides technically advanced full-spectrum cyber , data operations, systems integration and intelligence mission support services to meet our ... intelligence community, defense, civil, and commercial markets. Job Title: Network Administrator Location: Sterling, VA Clearance: TS /SCI Poly **This position… more
    Nightwing (09/26/25)
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  • Physical Security System Administrator 4

    M. C. Dean (Chantilly, VA)
    …Security System Administrator 4** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will ... for federal, local and commercial customers across high-growth markets. As a System Administrator for our Physical Security Systems , you will be responsible for… more
    M. C. Dean (10/23/25)
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  • System Administrator

    Nightwing (Sterling, VA)
    Nightwing provides technically advanced full-spectrum cyber , data operations, systems integration and intelligence mission support services to meet our ... the intelligence community, defense, civil, and commercial markets. Job Title: System Administrator Location: Sterling, VA Clearance: TS /SCI Poly **This position… more
    Nightwing (09/26/25)
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