• Cloud Systems Administrator

    CACI International (Laurel, MD)
    Cloud Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee ... multiple hosting platforms, including OpenStack, AWS, and VMware, all while supporting Linux VMs. + **Continuous Learning:** Dive deep into VM Management and DevOps,… more
    CACI International (10/16/25)
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  • Systems Administrator /Site…

    CACI International (Pearl Harbor, HI)
    …certification (Security+) + Knowledgeable on system troubleshooting processes + Familiar with UNIX/ Linux Operating Systems + ** TS /SCI clearance** _Desired:_ ... Systems Administrator /Site Representative Job Category: Information...Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel Required: Up… more
    CACI International (12/03/25)
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  • System Administrator

    ManTech (Bremerton, WA)
    **MANTECH** seeks a motivated, career, and customer-oriented ** Systems Administrator ** to join our team at the Puget Sound Naval Shipyard in **Bremerton, ... Secret security clearance and be willing and able to obtain a Top - Secret security clearance **Physical Requirements:** + Ability to remain stationary for 50%… more
    ManTech (12/06/25)
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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 (11/20/25)
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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) - ... a DT domain and basic to advance scripting experience. + An active DoD Top - Secret Clearance. + Advanced hands-on experience with Windows and Unix security… more
    RTX Corporation (10/24/25)
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  • Sr. System Administrator II (Temp)

    RTX Corporation (Annapolis Junction, MD)
    …some unclassified work will also be required. We're looking for an experienced Systems Administrator to join our team supporting critical operations in both ... eligible for a security clearance​ **Security Clearance:** DoD Clearance: TS /SCI At Raytheon, the foundation of everything we do...deleting user accounts and groups as well as integrating Linux systems into an Active Directory environment… more
    RTX Corporation (11/19/25)
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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

    Leidos (Chantilly, VA)
    Administrator . Your job will be supporting as a Linux administrator to provide system maintenance, systems performance optimization along with user ... perform technical software configuration, rebooting, and other remedial actions on customer systems . Work will be conducted on-site at our Chantilly, VA location.… more
    Leidos (12/11/25)
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  • Systems Administrator (Level 2 or 3)

    Northrop Grumman (Aurora, CO)
    …making history. Northrop Grumman Space Systems (NGSP) seeks to fill a ** Systems Administrator (Level 2 or 3)** supporting the Integrated National Systems ... in **Aurora, CO.** **Job Duties:** + Perform as a Linux and Windows System Administrator and able...+ Solid understanding of remediating security vulnerabilities; Experience hardening Linux systems in accordance with RMF and… more
    Northrop Grumman (11/06/25)
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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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