• Principal System Administrator

    RTX Corporation (El Segundo, CA)
    …integrity of our systems and support IT infrastructures around the world. ** Sr . Principal System Administrators,** internally known as Sr . Principal ... teams to support exciting, critical programs with classified information system capabilities. Success in this role means you can...problems. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows and Red… more
    RTX Corporation (12/09/25)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small Business ... with Polygraph Timeline Pipeline Description Assertive Professionalsis seeking aSystem Administrator with Polygraph supporting ourNational Security Customer in Chantilly,… more
    Assertive Professionals (10/09/25)
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  • Associate System Administrator

    Lockheed Martin (Littleton, CO)
    …networks invulnerable to ever evolving threats\. What You Will Be Doing As a ** System Administrator ** within this dynamic environment, you will be the guardian ... teams, troubleshoot issues, apply patches and updates, and monitor system health-all while enabling the TSS team to focus...team environment * CompTIA Linux\+ or Red Hat Certified Systems Administrator Certification * Ability to provide… more
    Lockheed Martin (12/18/25)
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  • Systems Administrator

    General Dynamics Information Technology (Sterling, VA)
    …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** SYSTEMS ADMINISTRATOR SENIOR Advance how our customers operate while ... you advance your career. Join GDIT as a Systems Administrator Senior and build...systems . This role supports mission readiness by maintaining system availability, performing troubleshooting, and ensuring systems more
    General Dynamics Information Technology (12/18/25)
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  • Systems Administrator

    Belay Technologies (Annapolis Junction, MD)
    …to Work 2019, runner up in 2020 and a finalist in 2021! Belay Technologies seeks a Senior System Administrator (SA) to join our Intel team. You will play a ... key role in supporting and optimizing IT systems across Linux, Windows and VMware environments. You'll provide critical troubleshooting, enhancing system more
    Belay Technologies (11/19/25)
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  • System Administrator V

    Chenega Corporation (Albuquerque, NM)
    …functional optimization in their business. TheSystem Administrator Vwill perform system administration for Windows Server operating systems for which they ... System Administrator V Albuquerque, NM Join...for the security and administrative controls of service(s) and/or system (s). + Perform systems management and … more
    Chenega Corporation (01/06/26)
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  • GCCS-J System Administrator

    Venatore LLC (Tampa, FL)
    …tiers when needed. + Support configuration activities and system updates under senior oversight. Linux / UNIX Systems Support + Perform routine Linux/UNIX ... Position Overview Venatore is seeking a Tier 1 GCCS-J Systems Administrator to support CENTCOM under CITS at MacDill AFB. This role provides daily operational… more
    Venatore LLC (11/26/25)
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  • System Administrator -Linux

    Leidos (Annapolis Junction, MD)
    **Description** ** System Administrator - Linux** **Leidos** has a new and exciting opportunity for a ** System Administrator - Linux** in our **National ... respond to hardware and software incidents and work with senior system administrators, at times remotely from...(ex. Network Switches, Routers, LANs, & cabling, Windows/Linux operating systems , VMware , etc.). + Must have experience… more
    Leidos (01/06/26)
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  • System Administrator 2

    M. C. Dean (Annapolis Junction, MD)
    …outcomes, improving lives, and changing the world for the better. We are seeking a ** System Administrator 2** to join our **Security and Electronic Systems ... + HS Diploma or Equivalent and 8+ Years of progressive experience + Requires system administrator experience in performing triage on system problems,… more
    M. C. Dean (11/05/25)
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  • NIPRNet / SIPRNet Administrator

    Applied Research Associates, Inc. (Eglin AFB, FL)
    …directory services required for secure SIPRNet operations. This role works directly with the Sr . Systems Administrator and the broader systems ‑admin team ... Applied Research Associates, Inc. ( **ARA** ) is seeking a lead administrator for a SIPRNet capability supporting a DoD‑owned secret‑level enclave that already… more
    Applied Research Associates, Inc. (11/21/25)
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