• Senior Principal Linux Administrator

    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 ... You Will Do** + We are seeking an experienced Linux Administrator that will be working in...years experience. + Active and transferable US government issued Top Secret security clearance is required prior… more
    RTX Corporation (09/26/25)
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  • Senior Linux System

    BAE Systems (San Diego, CA)
    …BAE Systems . BAE Systems is seeking a Senior Closed Area Linux Systems Administrator to provide comprehensive technical and operational support for ... Skills** US Citizenship is required by contract. Active US Top Secret Security Clearance / SCI is...available based on position level and/or job specifics. **Senior Linux System Administrator ** **116453BR** EEO… more
    BAE Systems (09/18/25)
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  • Senior Linux Systems

    General Dynamics Information Technology (Livermore, CA)
    …$10K Sign-on bonus **Job Summary:** We are seeking a highly skilled Senior Linux Systems Administrator . The role involves performing in-depth analysis ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other...and Hyper-V. + Core Systems : Domain Controllers, Linux servers, DNS, VMware, HPE Blade System ,… more
    General Dynamics Information Technology (11/04/25)
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  • Linux System Administrator

    The Boeing Company (Seal Beach, CA)
    …Defense, Space & Security (BDS), Space and Launch Organization seeks an early career ** Linux System Administrator ** to support Proprietary Programs in Seal ... set-up, and help maintain operational readiness with various operating systems and hardware interfaces. **Position Responsibilities** : + Assist...: + Possess a currently active Top Secret with SCI US Security Clearance ( ** TS more
    The Boeing Company (11/10/25)
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  • Linux /Windows Systems

    Northrop Grumman (Palmdale, CA)
    …will include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate ... Grumman Classified Solutions team is seeking a novice cross-platform ** Linux /Windows Systems Administrator ** to join...: + Bachelor's degree in Information Technology + Active Top Secret , TS /SCI, SAP/SAR access,… more
    Northrop Grumman (11/15/25)
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  • Principal Linux Systems

    RTX Corporation (El Segundo, CA)
    …meaningful problems that create a safer, more secure world. **Principal System Administrator ** in infrastructure Workplace Services, collaborates with many ... citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with CI Poly - Current At Raytheon, the...for a security clearance. + Must have experience with Linux systems administration + Experience with one… more
    RTX Corporation (09/09/25)
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  • IT Systems Administrator

    SpaceX (Hawthorne, CA)
    IT Systems Administrator - Top Secret Clearance Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out exploring the ... enabling human life on Mars. IT SYSTEMS ADMINISTRATOR - TOP SECRET CLEARANCE...authentication/identification environments. + Experience with networking technologies and the Linux operating system environment. + PowerShell (or… more
    SpaceX (10/11/25)
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  • IT Sys Admin (RMF / Security) / Top

    Lockheed Martin (Palmdale, CA)
    …the Lockheed Martin Aeronautics Division located at the Palmdale, CA facility\. This Systems Administrator role will focus heavily on RMF and Security\. The ... security measures for the protection of the program data, systems , and networks\. They will ensure that the organization's...transition to a 4x10 schedule \(Wed \- Sat\); Active Top Secret Security Clearance \(and of course… more
    Lockheed Martin (10/18/25)
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  • TS /SCI Low Band System Software…

    Insight Global (Beale AFB, CA)
    …to user systems , servers, storage, and network connectivity. Additionally, this Systems Administrator will provide system administration for assigned ... possible that requires an active TSSCI clearance or a Top - Secret clearance with SCI eligibility. This is...(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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  • Solutions Architect (Active TS /SCI…

    NANA Regional Corporation (Livermore, CA)
    …our database systems . You will work closely with application developers, system architects, and other IT staff to ensure optimal database performance and ... We are seeking an experienced IT Database Architect / Administrator (job title: Solutions Architect) to join our dynamic, multi-disciplinary 24/7/365 Mission Support… more
    NANA Regional Corporation (10/31/25)
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