• 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 (05/21/25)
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  • Sr. Principal Linux Systems

    RTX Corporation (El Segundo, CA)
    …a security clearance​ **Security Clearance:** TS /SCI with Polygraph **Sr. Principal Linux Systems Administrator - El Segundo, CA -Must have a TS /SCI with ... problems that create a safer, more secure world. **Sr Principal System Administrator ** in infrastructure Workplace Services, collaborate with a many teams to support… more
    RTX Corporation (08/01/25)
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  • Systems Administrator , Senior (MSO)

    General Dynamics Information Technology (Livermore, CA)
    …Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** ... years of related experience **US Citizenship Required:** Yes **Job Description:** ** Systems Administrator /Mission Support Operator -** **$10K Sign-on bonus**… more
    General Dynamics Information Technology (06/24/25)
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  • Senior Systems Administrator

    GovCIO (Sacramento, CA)
    **Overview** GovCIO is hiring for a Senior Systems Administrator (Linux and Windows) to provide on-going support for the administration of the core system ... willing to work nights, have an active Security+ certification, and an active Top Secret clearance. **Responsibilities** In this role you will: Provide support… more
    GovCIO (07/09/25)
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  • Linux / Unix Systems Administrator

    Lockheed Martin (Sunnyvale, CA)
    …Space programs in Sunnyvale, CA\. **Your Mission:** As a Linux Information Systems Administrator , your responsibilities will include: * Technical Support: ... vulnerabilities, and perform system hardening to ensure the security of our systems \. * Root Cause Analysis: Perform in\-depth analysis to resolve technical issues… more
    Lockheed Martin (07/12/25)
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  • Systems Administrator II

    Integrits Corporation (Edwards AFB, CA)
    …, and aircrews for today's missions and tomorrow's global challenges. A Systems Administrator II evaluates system specifications, configures system, establishes ... Clearance (required). Desired Qualifications Bachelor's Degree in Computer/Information Technology Top Secret Security Clearance. Knowledge of STIGs, SCAP,… more
    Integrits Corporation (07/15/25)
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  • Senior Linux System Administrator ( GXP…

    BAE Systems (San Diego, CA)
    Systems . BAE Systems is seeking a Senior Closed Area Linux Systems Administrator to provide comprehensive technical and operational support for classified ... IT systems . You...Skills** US Citizenship is required by contract. Active US Top Secret Security Clearance / SCI is...years of experience with a degree) as a system administrator in a Linux OS environment. Direct experience configuring… more
    BAE Systems (07/31/25)
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  • Computer System Administrator

    Northrop Grumman (Palmdale, CA)
    …(adjudicated within the last 5 years); additionally, the selected candidate must be Top Secret eligible, and the required security clearance must be maintained ... will include but not be limited to the following: + Perform as primary Systems or Network Administrator for a classified government contract. + Communicate… more
    Northrop Grumman (08/13/25)
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  • Systems Engineer w/ TS /SCI

    General Dynamics Information Technology (Livermore, CA)
    …RQ203428 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... ours. At GDIT, people are our differentiator. As a Systems Engineer with an active TS /SCI you...and network devices. + Provide engineering support for the systems administrator for systems issues… more
    General Dynamics Information Technology (07/16/25)
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  • Windows Desktop Support - Top Secret

    TEKsystems (Palmdale, CA)
    Systems Administrator - Windows Deployment Clearance Required: Active Top Secret Security Clearance Certification Required: Security+ CE or IAT Level ... (Palmdale, CA) Contract Length: 6 months with potential for ongoing extensions Top Skills Required: + Advanced troubleshooting experience with Windows and Linux … more
    TEKsystems (08/09/25)
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