• Senior Linux Systems Administrator

    General Dynamics Information Technology (Livermore, CA)
    …RQ209638 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... $10K Sign-on bonus **Job Summary:** We are seeking a highly skilled Senior Linux Systems Administrator. The role involves performing in-depth analysis and… more
    General Dynamics Information Technology (11/04/25)
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  • Principal Linux Systems

    RTX Corporation (El Segundo, CA)
    …only US citizens are eligible for a security clearance. + Must have experience with Linux systems administration + Experience with one of the following: ... citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with CI Poly - Current At Raytheon, the...You Will Do:** + Provide IT systems administration in a heterogeneous Redhat Enterprise Linux more
    RTX Corporation (09/09/25)
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  • Linux /Windows Systems Administrator…

    Northrop Grumman (Palmdale, CA)
    …environments **Preferred Qualifications** : + Bachelor's degree in Information Technology + Active Top Secret , TS /SCI, SAP/SAR access, or Polygraph is ... be limited to the following: + Perform as primary Linux Systems Administrator for a classified government...have the ability to obtain and maintain a DOD ** Top ** ** Secret ** level security clearance as a… more
    Northrop Grumman (11/15/25)
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  • 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 ... years experience. + Active and transferable US government issued Top Secret security clearance is required prior...but not limited to, the following technologies: Windows or Linux administration , backup, and recovery enterprise suite… more
    RTX Corporation (09/26/25)
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  • Site Reliability Engineer (Starshield)…

    SpaceX (Hawthorne, CA)
    Site Reliability Engineer (Starshield) - Top Secret Clearance Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out ... goal of enabling human life on Mars. SITE RELIABILITY ENGINEER (STARSHIELD) - TOP SECRET CLEARANCE Starshield leverages SpaceX's Starlink technology and launch… more
    SpaceX (10/04/25)
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  • IT Sys Admin (RMF / Security) / Top

    Lockheed Martin (Palmdale, CA)
    …to start and then will transition to a 4x10 schedule \(Wed \- Sat\); Active Top Secret Security Clearance \(and of course US Citizenship\) is required for this ... Aeronautics Division located at the Palmdale, CA facility\. This Systems Administrator role will focus heavily on RMF and...organization** **Basic Qualifications:** * Must hold an active DoD Top Secret \(U\.S\. Citizen\) * Must have… more
    Lockheed Martin (10/18/25)
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  • IT Systems Administrator - Top

    SpaceX (Hawthorne, CA)
    IT Systems Administrator - Top Secret...both formal and informal situations. ADDITIONAL REQUIREMENTS: + Active Top Secret or TS /SCI with ... ultimate goal of enabling human life on Mars. IT SYSTEMS ADMINISTRATOR - TOP SECRET ...BASIC QUALIFICATIONS: + 4+ years of experience in IT systems administration . + Experience with Windows servers… more
    SpaceX (10/11/25)
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  • Lead IT Systems Engineer - Top

    SpaceX (Hawthorne, CA)
    Lead IT Systems Engineer - Top Secret Clearance Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out exploring the ... goal of enabling human life on Mars. LEAD IT SYSTEMS ENGINEER - TOP SECRET ...recognizing and overcoming technical challenges. ADDITIONAL REQUIREMENTS: + Active Top Secret or TS /SCI with… more
    SpaceX (10/28/25)
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  • Cybersecurity Systems Analyst - Senior

    Amentum (San Diego, CA)
    …preferred * Technical background in networking, identity management, Microsoft and Linux operating systems , database, and mobility * Working knowledge ... and creating A&A packages. Performs assessment, compliance, and validation of IT systems to support the Cybersecurity program at USSOCOM, its Component Commands,… more
    Amentum (11/14/25)
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  • TS /SCI High Band System Software Support…

    Insight Global (Beale AFB, CA)
    …position with an extension possible that requires an active TSSCI clearance or a Top - Secret clearance with SCI eligibility. This is an on-site position at Beale ... 5+ years of Airforce DCGS (Distributed Common Ground Systems ) experience - 5+ years of Airforce SIGINT (Signals Intelligence) experience - Linux /Unix experience more
    Insight Global (11/01/25)
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