• Linux /Windows Systems

    TEKsystems (Corona, CA)
    Description Hiring a Tier 3 System Administrator - This is the top technical support layer for global IT infrastructure. It's not entry-level or mid -level; ... File shares etc.), managing, troubleshooting Windows Servers. Skills Windows server, systems administration, Linux SUSE server support, vmware, powershell, SAN… more
    TEKsystems (12/05/25)
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  • SIGINT Systems Administrator

    CACI International (Beale AFB, CA)
    SIGINT Systems Administrator ( Mid -Band Journeyman) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI ... * * **The Opportunity:** CACI is seeking a SIGINT Systems Administrator ( Mid -Band) to join...experience + ≥1 yrs of DCGS experience _Desired:_ + Linux /UNIX Experience + AF DCGS experience + Systems more
    CACI International (11/12/25)
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  • Network Administrator - Navy Integrated…

    Huntington Ingalls Industries (San Diego, CA)
    …Computer Information Systems or similar discipline preferred. + Experience with system release upgrades (preferred) + Linux + or Microsoft Certified Solutions ... secure and reliable network infrastructure in support of mission-critical naval training systems . The Network Administrator will manage server and workstation… more
    Huntington Ingalls Industries (10/11/25)
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  • TS/SCI Low Band System Software Support…

    Insight Global (Beale AFB, CA)
    …to user systems , servers, storage, and network connectivity. Additionally, this Systems Administrator will provide system administration for assigned ... government client of Insight Global is seeking a Low-Band System Software Support Engineer to join their team at...(Distributed Common Ground Systems ) experience - 3+ years of Airforce SIGINT (Signals Intelligence) experience - Linux /Unix… more
    Insight Global (11/01/25)
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  • Engineer II, Site Reliability Operations

    PennyMac (Westlake Village, CA)
    …Science or comparable experience + AWS Solutions Architect and/or AWS SysOps Administrator certification + Proficient with Windows and Linux administration + ... company's IT Infrastructure. Ideal candidates should have experience in Windows and Linux administration, in addition to experience working in AWS, as Pennymac is… more
    PennyMac (12/09/25)
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  • Network Communications 3

    Huntington Ingalls Industries (San Diego, CA)
    …Range: $81,401.00 - $110,000.00 Security Clearance: Secret Level of Experience: Mid This opportunity resides with Global Security (GS). Mission Technologies' Global ... its fleet. With a holistic approach to life-cycle maritime defense systems -from small watercraft to submarines, surface combatants and aircraft carriers-HII ensures… more
    Huntington Ingalls Industries (10/13/25)
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