• MADSS Administrator

    TekSynap (Arlington, VA)
    …peripheral vision, depth perception, and ability to adjust focus. **WORK AUTHORIZATION/ SECURITY CLEARANCE** US Citizen Top Secret/SCI clearance **OTHER DUTIES** ... and local JSP policies. + Ensure the availability, reliability, and security of telecommunications network services, including secure and non-secure voice, data,… more
    TekSynap (01/06/26)
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  • System Administrator 4

    M. C. Dean (Annapolis Junction, MD)
    …in electrical, engineering, and cybersecurity industries. We are seeking a **System Administrator 4** to join our ** Security and Electronic Systems (SES)** ... government security investigation and may meet eligibility requirements, including US Citizenship, for access to classified information; **ACTIVE TS/SCI w/ Poly… more
    M. C. Dean (12/30/25)
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  • Network System Administrator

    ManTech (Los Angeles, CA)
    **MANTECH** seeks a motivated, career and customer-oriented **Network System Administrator ** **III** to join our team in **Los Angeles, CA.** The primary function is ... working with Special Access Program (SAPs) and other classified networks supporting SMC Directorates...& SSL. + Maintain file servers, Firewalls, network access, Security Monitoring Systems and system documentation as required. +… more
    ManTech (12/17/25)
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  • Systems Administrator - DevSecOps…

    BAE Systems (Westminster, CO)
    …in Linux system administration, troubleshooting, user account maintenance, and IT system security standards. The ideal candidate will have a detailed knowledge of ... business success. **What You ll Do:** + Interface with internal customers, security , and management teams for: maintaining production systems, resolving issues with… more
    BAE Systems (12/04/25)
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  • Senior Linux System Administrator

    Parsons Corporation (Aberdeen, MD)
    …and user jobs_ + _Serve as a subject matter expert to HPC program system administration team for research, development, and production HPC system_ **_What Required ... years of directly related experience_ + Linux+ certification (or equivalent) + Security + certification (or equivalent) + Top Secret clearance ** Security more
    Parsons Corporation (11/15/25)
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  • System Administrator

    Synergy ECP (Columbia, MD)
    System Administrator Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Founded in 2007 and headquartered in Columbia, Maryland, Synergy ... of cybersecurity, software and systems engineering and IT services to the US intelligence and defense communities. The company leverages its expertise in data… more
    Synergy ECP (10/22/25)
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  • Linux Dev/Ops Systems Administrator 1 (SW…

    Synergy ECP (Annapolis Junction, MD)
    Linux Dev/Ops Systems Administrator 1 (SW support) Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA) Description We are searching for ... support for ongoing mission-critical operations. With high demand from our National Security customers for our talent and expertise, our employees are shaping the… more
    Synergy ECP (10/22/25)
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  • Senior Network Administrator

    KBR (Honolulu County, HI)
    …Network Administrator Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to ... have a profound impact on the country's most critical role - protecting our national security . Why Join Us ? + Innovative Projects: KBR's work is at the forefront… more
    KBR (11/27/25)
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  • Linux Systems Administrator , Sr / Secret…

    Lockheed Martin (Sunnyvale, CA)
    …* Current Security \+ certification * Knowledge of National Industrial Security Program Operating Manual \(NISPOM\), Risk Management Framework \(RMF\) and ... MD, Lockheed martin has employees based in all 50 states and more than 570 facilities that span more...Security Clearance Statement:** This position requires a government security clearance, you must be a US more
    Lockheed Martin (11/20/25)
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  • Subcontract Administrator , Staff

    Lockheed Martin (Highlands Ranch, CO)
    …your future\! ** Security Clearance Statement:** This position requires a government security clearance, you must be a US Citizen for consideration\. ... With advancing defense technology at our core, what sets us apart is a culture of collaboration, purpose, and...- **What does this role look like?** The Subcontract Administrator is responsible for the end‑to‑end administration of non‑prime… more
    Lockheed Martin (01/09/26)
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