• NIPRNet / SIPRNet Administrator

    Applied Research Associates, Inc. (Eglin AFB, FL)
    …for secure SIPRNet operations . This role works directly with the Sr. Systems Administrator and the broader systems ‑admin team leading engineering and ... 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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  • System Administrator

    Lockheed Martin (Kirtland AFB, NM)
    …applications, including operating systems * Five years of experience as a Systems Administrator \(SA\) in programs and contracts of similar scope, type, and ... Domain Trust, and file share management * Experience with common industry operating systems , such as Windows Server \(2008\-2019\), Linux , Solaris, RHEL, and… more
    Lockheed Martin (12/13/25)
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  • Senior Database Administrator - Hosting

    Leidos (Camp Springs, MD)
    …and services. **Primary Responsibilities:** + Design, implement, and maintain database systems within Windows, Unix, and Linux hosting environments. + ... **Description** Leidos Digital Modernization sector is seeking an **Senior Database Administrator ** - Hosting to support **USCIS Enterprise Automation & Unified Task… more
    Leidos (12/06/25)
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  • HBSS Administrator

    Leidos (Fort Belvoir, VA)
    **Description** Leidos is seeking a skilled **Senior HBSS Administrator in Fort Belvoir, VA** to join the I3TS team supporting DTRA. The I3TS program provides ... candidate will be responsible for ensuring the security and integrity of IT systems by running their Endpoint Security with experience in Trellix and Microsoft… more
    Leidos (01/13/26)
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  • System Administrator

    KBR (Colorado Springs, CO)
    Title: System Administrator Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions ... team in Colorado Springs, CO is seeking a System Administrator , and your contributions will directly impact the success...to ensure business continuity + Work closely with development, operations , and security teams to ensure system stability and… more
    KBR (01/13/26)
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  • Server Administrator

    Koniag Government Services (Washington, DC)
    …spending accounts, paid holidays, paid time off, and more. The ideal Server Administrator will: Support our IT infrastructure operations . This role focuses on ... Koniag IT Systems LLC, a Koniag Government Services company, is seeking a Server Administrator to support KITS and our government customer in Washington, DC.… more
    Koniag Government Services (10/15/25)
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  • Windows Systems Administrator

    Samsung SDS America (Austin, TX)
    …Position Summary: Samsung SDS America is actively seeking a Microsoft Systems Engineer, to support core Microsoft services spanning on-prem infrastructure and ... will work on the Windows team and collaborate with, security, networking, Linux , and service desk teams to maintain reliability, improve operational practices, and… more
    Samsung SDS America (01/11/26)
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  • Classified Area System Administrator

    Leidos (Huntsville, AL)
    …CND, SSCP) + Familiarity with Risk Management Framework requirements for Windows and Linux systems . + Strong written and verbal communication skills. + Ability ... Office reporting through the Digital Modernization sector, is seeking an early career **System Administrator ** to join our team. In this role, you'll play a key part… more
    Leidos (11/06/25)
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  • Server Administrator II

    CAE USA INC (Tampa, FL)
    …and civil aviation by revolutionizing our customers' training and critical operations with digitally immersive solutions to elevate safety, efficiency and readiness. ... professional development, advancement and having fun! Summary The Server Administrator II participates in all aspects of design, analysis, implementation… more
    CAE USA INC (11/18/25)
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  • System Administrator (Level 4)

    Kaizen Approach, Inc (Annapolis Junction, MD)
    Kaizen Approach is currently seeking a Systems Administrator to provide implementation, troubleshooting, and maintenance support for complex Information ... and internal customers. This position involves configuring and managing UNIX, Linux , and Windows operating systems , installing and maintaining software,… more
    Kaizen Approach, Inc (11/11/25)
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