• Fidelis Administrator - Active TS/SCI…

    ENS Solutions (College Park, MD)
    …integrated team to develop innovative solutions to enable secure and reliable operations of enterprise computer systems. Develop new concepts and processes and ... Provide support to developmental and operational systems including day-to-day operations , monitoring, and problem resolution for all client/server/storage/network devices,… more
    ENS Solutions (12/27/25)
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  • Principal/Sr. Principal HPC System…

    Northrop Grumman (Jessup, MD)
    …ASSISTANCE: No relocation assistance available CLEARANCE TYPE: A US Government security clearance per customer's requirements. TRAVEL: Yes, 10% of the Time ... Mission Systems is a trusted provider of mission-enabling solutions for global security . Our Engineering and Sciences (E&S) organization pushes the boundaries of… more
    Northrop Grumman (12/05/25)
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  • Senior Unix System Administrator

    SMX (Patuxent River, MD)
    …Patuxent River, MD SMX is seeking a driven and experienced Senior UNIX Administrator to support operations at the Patuxent River Data Center (PRDC). ... This individual will work alongside a team of UNIX/ Linux Systems Administrators responsible for maintaining the integrity, availability, and security of… more
    SMX (12/04/25)
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  • Systems Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Annapolis Junction, MD)
    …In this role, you'll design, operate, and evolve the systems that power national- security missions. From enterprise Windows and Linux servers to virtualization, ... tune performance across clusters, and push automation deeper into daily operations . You'll balance reliability with innovation, driving modernization while ensuring… more
    BOOZ, ALLEN & HAMILTON, INC. (12/23/25)
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  • Systems & Database Administrator

    CACI International (Suitland, MD)
    … & Platform Engineering:** + Administer and maintain Red Hat Enterprise Linux (RHEL) systems. + Perform command-line operations , patching, optimization, and ... Systems & Database Administrator Job Category: Information Technology Time Type: Full...experience in engineering roles supporting DoD/IC programs. + CompTIA Security +. + Extensive experience with Linux (RHEL)… more
    CACI International (12/17/25)
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  • Sr. System Administrator II (Temp)

    RTX Corporation (Annapolis Junction, MD)
    …for an experienced Systems Administrator to join our team supporting critical operations in both Linux and Windows environments. In this role, you'll ensure ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (11/19/25)
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  • Cloud System Administrator II

    ManTech (Annapolis Junction, MD)
    …automation and scripting tools like Salt, BASH, Python, and Ansible to streamline operations . + Support and maintain security posture by addressing IAVAs and ... MANTECH seeks a motivated, career- and customer-oriented **Cloud System Administrator ** to join our team in Hanover, MD. Our...environment (on-premises and AWS cloud). + Administer and troubleshoot Linux (Amazon Linux 2023, RHEL 8/9) and… more
    ManTech (12/23/25)
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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 Level 1 System Administrator Provides support for ... to these systems. Provides support to IT systems including day-to-day operations , monitoring and problem resolution for all of the client/server/storage/network… more
    Synergy ECP (10/28/25)
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  • System Administrator

    Belay Technologies (Fort Meade, MD)
    …up in 2020 and a finalist in 2021! Belay Technologies is seeking a System Administrator to join our intel team. This position is for a System Administrator ... with ZeroTrust and TITUS. The selected candidate will serve in a System Administrator role to keep the system operational, compliant and perform trouble shooting as… more
    Belay Technologies (12/12/25)
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  • System Administrator I

    DCCA (Fort Meade, MD)
    System Administrator I Location Fort Meade, MD Job Code 2123 # of Openings 1 Apply Now ... a competitive compensation and benefits package. Visit our website at: www.dcca.com System Administrator I Candidate must have an active TS/SCI w/ Poly For over 40… more
    DCCA (11/21/25)
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