• Fidelis Administrator - Active TS/SCI…

    ENS Solutions (College Park, MD)
    …configure and manage operating system and application software as necessary. Support Linux & Windows systems engineering efforts in system design and ... administration. Requirements + 3+ years of experience as a system administrator + Experience with installing or...SSH or Console Port + Experience operating and maintaining Linux servers, including operating systems and applications,… more
    ENS Solutions (09/27/25)
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  • (Mid. or Senior) Networking Systems

    Belay Technologies (Annapolis Junction, MD)
    …up in 2020 and a finalist in 2021! Belay Technologies is seeking a Network Systems Administrator (Windows) to join our team. The selected individual will be ... status reports and follow-ups. + Experience with IAVA responses and remediation, system security scans, completing remediation, and extending IAVA patches and… more
    Belay Technologies (10/01/25)
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  • Systems Administrator (TS Clearance)

    EchoStar (Germantown, MD)
    …and Sling TV. **Department Summary** **EchoStar** has an exciting opportunity for a ** System Administrator ** with **TOP SECRET** clearance in our Defense and ... Government Systems Division Information Assurance Team of Hughes Network ... Governance, Risk, and Compliance (GRC) + Experience with security tools throughout the System Development Life… more
    EchoStar (11/11/25)
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  • Systems Administrator Expert

    General Dynamics Information Technology (Annapolis Junction, MD)
    …management, implementation, and sustainment of compliance with applicable system security controls. + Provide support to IT systems including day-to-day ... and manages UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots,...and performance + Communicate and coordinate with the Information System Security Officer (ISSO) and Information … more
    General Dynamics Information Technology (11/08/25)
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  • Systems Administrator (IT Program…

    Nightwing (Annapolis Junction, MD)
    …community, defense, civil, and commercial markets. Nightwing is seeking an experienced Linux Systems Administrator with a proven ability supporting ... concepts to a diverse audience. High level of proficiency and experience in Linux Systems Administration using Debian or Red Hat based distributions.… more
    Nightwing (09/22/25)
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  • System Administrator

    ManTech (Annapolis Junction, MD)
    …with required security standards for IT personnel. + Proficiency in Linux or Windows operating systems , indicating hands-on experience with server ... **ManTech seeks a motivated, career and customer-oriented System Administrator II to join our...with patching and configuring systems , ensuring up-to-date security and optimal system performance. + Practical… more
    ManTech (09/05/25)
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  • System Administrator

    TekSynap (Bethesda, MD)
    …by performing any necessary upgrades and repairs. + Planning a strategy to maintain system security on the computers and thenetwork as a whole. + Optimizingand ... may be substituted for degree requirements. **Overview** We are seeking a ** System Administrator ** to perform various activities to support the success… more
    TekSynap (09/16/25)
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  • Senior System Administrator

    Synergy ECP (Columbia, MD)
    Senior System Administrator Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Company Description: Synergy ECP is a Service Disabled ... with a team obtaining and configuring Virtual Machines (VMs), loading Operating systems and software, performing security hardening, patching, and monitoring… more
    Synergy ECP (10/15/25)
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  • System and Network Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Annapolis Junction, MD)
    System and Network Administrator The Opportunity: A well-designed network is critical to move data and enable organizations to achieve their missions, but how ... complex network issues, analyze current working infrastructures, and increase security , reliability, and availability for mission-critical network systems .… more
    BOOZ, ALLEN & HAMILTON, INC. (10/24/25)
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  • Secret Sr Windows System

    Insight Global (Baltimore, MD)
    …Description A Client of Insight Global is looking for a secret cleared Sr Windows System Administrator to join their team and help mentor more jr admins. This ... person will design, implement, and manage secure, high-availability systems . Responsibilities include deploying enterprise system images, maintaining VMware… more
    Insight Global (11/07/25)
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