• IT Linux Systems

    SpaceX (Hawthorne, CA)
    IT Linux Systems Administrator - Top Secret Clearance Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out ... on Mars. IT LINUX SYSTEMS ADMINISTRATOR - TOP SECRET CLEARANCE...both formal and informal situations. ADDITIONAL REQUIREMENTS: + Active Top Secret or TS /SCI with… more
    SpaceX (08/08/25)
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  • Sr Principal HPC Linux Systems

    Northrop Grumman (Redondo Beach, CA)
    …We Want You!** The Northrop Grumman Classified Solutions team is seeking a senior ** Linux Systems Administrator ** to join its dynamic team of technical ... Qualifications:** + Bachelor's degree in Information Technology + Active Top Secret , TS /SCI, Polygraph, or...an administrator for Red Hat or similar Linux systems within a DoD context +… more
    Northrop Grumman (09/11/25)
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  • Senior Linux System Administrator

    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 ... OU structure, and GPOs. + Install, configure, and maintain Linux -based servers and systems . + Configure, deploy,...Skills** US Citizenship is required by contract. Active US Top Secret Security Clearance / SCI is… more
    BAE Systems (09/18/25)
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  • Principal Linux Systems

    RTX Corporation (El Segundo, CA)
    …US citizens are eligible for a security clearance. + Must have experience with Linux systems administration + Experience with one of the following: Solaris, ... solve complex IT infrastructure problems. **What You Will Do:** + Provide IT systems administration in a heterogeneous Redhat Enterprise Linux and Microsoft… more
    RTX Corporation (09/09/25)
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  • Sr. Linux Systems

    RTX Corporation (El Segundo, CA)
    Top Secret security clearance is preferred. + Experience with Linux and Windows Operating Systems . + Experience with VMware administration including ESXi ... as only US citizens are eligible for a security clearance​ **Security Clearance:** Secret - Current At Raytheon, the foundation of everything we do is rooted… more
    RTX Corporation (09/24/25)
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  • IT Systems Administrator

    SpaceX (Hawthorne, CA)
    IT Systems Administrator - Top Secret ...both formal and informal situations. ADDITIONAL REQUIREMENTS: + Active Top Secret or TS /SCI with ... enabling human life on Mars. IT SYSTEMS ADMINISTRATOR - TOP SECRET CLEARANCE...addition to broader experience and capability with networking and Linux technologies. This employee will be a member of… more
    SpaceX (07/12/25)
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  • Systems Administrator , Sr…

    Lockheed Martin (Sunnyvale, CA)
    …folders within a Windows and Linux environment **Basic Qualifications:** * Active Top Secret Clearance * Current Security \+ Certification \(or other DoD ... **Description:** **This position requires an active Top Secret ** **clearance\. All work will...compliant certification\) * Demonstrated experience with Windows Server and Linux operating systems * Demonstrated experience with… more
    Lockheed Martin (09/04/25)
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  • Top Secret System…

    Insight Global (El Segundo, CA)
    …operating systems : Linux , Redhat Linux , Windows, Cisco IOS * Top Secret (SSBI would be preferred) * Security + Certification * Bachelor Degree * ... One of Insight Global's aerospace clients is looking for System Administrator to join our Space Systems Verification and Test team in El Segundo, CA. In this… more
    Insight Global (09/12/25)
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  • TS /SCI Low Band System Software Support…

    Insight Global (Beale AFB, CA)
    systems , servers, storage, and network connectivity. Additionally, this Systems Administrator will provide system administration for assigned infrastructure, ... 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 (09/23/25)
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  • Principal Linux System Administrator

    General Dynamics Information Technology (Livermore, CA)
    …Yes **Job Description:** $10K Sign-on bonus A Principal Linux System Administrator Maintains an organization's computer systems ' workflows and is responsible ... RQ192592 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job… more
    General Dynamics Information Technology (08/09/25)
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