• Principal Windows Systems…

    RTX Corporation (El Segundo, CA)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** Top Secret - Current At Raytheon, the foundation of everything we do ... relevant experience. + Must have an active a transferable US government issued DoD ** Top Secret security clearance** prior to start date. US citizenship is… more
    RTX Corporation (11/18/25)
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  • System Engineer, Linux and Windows,…

    DeVine Consulting, Inc. (Monterey, CA)
    …abilities to diagnose complex technical issues and develop effective solutions + Current Secret Clearance required, Top Secret preferred About the position: ... or SSCP) Certification + CE/OS Certification + Experience serving as a system administrator for Microsoft O365, VMWare,Vsphere and NsX-T, Linux Red Hat, Windows… more
    DeVine Consulting, Inc. (09/07/25)
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  • SIGINT Systems Administrator…

    CACI International (Beale AFB, CA)
    SIGINT Systems Administrator (Low-Band Journeyman) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI ... None * * * CACI is seeking a SIGINT Systems Administrator (Low-Band Journeyman) to join the...onsite at Beale AFB, CA and have an active/current TS /SCI prior to hire. **Responsibilities:** + Manages/supports LBS SW… more
    CACI International (10/17/25)
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  • Sr. Specialist, Systems…

    L3Harris (Carlsbad, CA)
    …and cyber domains in the interest of national security. Job Title: Sr. Specialist, Systems Administrator Job Code: 29595 Job Location: Palm Bay, FL; or Carlsbad, ... Administrator managing an enterprise level domain. + Current/active TS /SCI security clearance. Preferred Additional Skills: + Strong knowledge of Windows… more
    L3Harris (10/05/25)
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  • Senior Principal Windows System…

    RTX Corporation (El Segundo, CA)
    …only US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret At Raytheon, the foundation of everything we do is ... to ensure the confidentiality, integrity, and availability of IT systems and applications within their assigned area + Develop...years experience. + Active and transferable US government issued Top Secret security clearance is required prior… more
    RTX Corporation (10/24/25)
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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 the CACI...experience + ≥1 yrs of DCGS experience _Desired:_ + Linux /UNIX Experience + AF DCGS experience + Systems… more
    CACI International (11/12/25)
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  • Systems Administrator - Multiple…

    Noblis (San Diego, CA)
    …in resolving accounts, recovery of data and maintaining security + Loading operating systems , including Windows, Solaris, Unix and Linux . + Develop active ... master's degree with 3+ years of experience providing technical support in operating systems (Windows, Linux ), networking, and security, along with experience in… more
    Noblis (09/18/25)
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  • SIGINT Systems Administrator

    CACI International (Beale AFB, CA)
    SIGINT Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular ... CACI's team at Beale AFB, CA as a SIGINT Systems Administrator . This role offers a chance...debriefs and system readiness efforts **Qualifications:** _Required:_ * Active TS /SCI Security Clearance * Security+ CE certification * Bachelor's… more
    CACI International (11/18/25)
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  • Systems & Network Administrator

    Leidos (Riverside, CA)
    **Description** ** Position Overview** Leidos is seeking a **Network & Computer Systems Administrator ** to join our team at March Air Reserve Base, CA. In this ... managers and client leadership on progress. ** Primary Responsibilities** As a Systems Administrator , you will: + Manage and maintain enterprise-level… more
    Leidos (11/15/25)
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  • System Administrator - Edwards Air Force…

    Dell Technologies (Edwards AFB, CA)
    …**Essential Requirements:** + US Citizen local to Edwards, California + Possess active Top Secret Department of Defense (DoD) clearance + Possess CompTIA ... **System Administrator - Edwards Air Force Base (Onsite)** Today,...for the setup, configuration, maintenance, and security of computing systems used in test environments-particularly those handling classified, sensitive,… more
    Dell Technologies (10/04/25)
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