• Systems Administrator

    William C Brown Inc (Springfield, VA)
    Systems Administrator EOE Statement We are...DoD 8570 Level II equivalent within 90 days of hire* TS /SCI Clearance required and eligibility to obtain a Poly* ... protected by law. Description WCBinc is looking for a Systems Administrator to join our team to...create and modify scripts in multiple disciplines on Windows, Linux , and Solarissystems* Knowledge of the Customer's processes and… more
    William C Brown Inc (07/16/25)
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  • Systems Administrator , Mid

    BOOZ, ALLEN & HAMILTON, INC. (Aurora, CO)
    Systems Administrator , Mid The Opportunity : What if...12 hours a day outside of normal work hours + TS /SCI clearance with a polygraph + HS diploma or GED ... IC ) ? With so much relying on complex systems , a skilled systems administrator ...Experience working in a DevSecOps environment + Experience with Linux administration + Experience in or supporting the military… more
    BOOZ, ALLEN & HAMILTON, INC. (10/03/25)
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  • Senior Unix System Administrator

    SMX (Patuxent River, MD)
    …Data Center (PRDC). This individual will work alongside a team of UNIX/ Linux Systems Administrators responsible for maintaining the integrity, availability, and ... across Department of Defense (DoD) networks. The Senior UNIX Administrator will ensure systems are properly patched...Must be able to obtain and maintain a DoD Top Secret clearance; Interim Secret more
    SMX (10/03/25)
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  • Sr. Principal System Administrator

    RTX Corporation (Plano, TX)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** Top Secret - Current At Raytheon, the foundation of everything we do ... problems. **What You Will Do: ** + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat...+ Must have active and transferable US government issued Top Secret security clearance is required prior… more
    RTX Corporation (09/09/25)
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  • Sr. Specialist, Systems

    L3Harris (Palm Bay, FL)
    …and cyber domains in the interest of national security. Job Title: Sr. Specialist, Systems Administrator Job Code: 29595 Job Location: Palm Bay, FL Job Schedule: ... 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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  • System Administrator , High Performance…

    RTX Corporation (Tucson, AZ)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** Secret - Current **System Administrator , High Performance Computing (HPC) - ... in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment. This candidate will understand Windows Server internals,...basic to advance scripting experience. + An active DoD Secret or Top - Secret Clearance. +… more
    RTX Corporation (09/18/25)
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  • System Administrator

    KBR (Colorado Springs, CO)
    …critical role - protecting our national security. KBR, is seeking a highly motivated Systems Administrator to join us in supporting our great nation, supporting ... + Security Clearance: Must have an active US government Top Secret /SCI security clearance, which is something...+ Excellent oral and written communication skills Desired: + Linux System Administrator + DevSecOps + Risk… more
    KBR (08/22/25)
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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 (08/13/25)
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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 (08/20/25)
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  • Systems Administrator

    CACI International (Linthicum, MD)
    …and availability of customer systems . We are looking for a dedicated Linux System Administrator to help us ensure information security readiness and maintain ... Systems Administrator Job Category: Information Technology...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (09/27/25)
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