• Systems Administrator II…

    NANA Regional Corporation (Vandenberg AFB, CA)
    …operational levels in accordance with contract requirements **Qualifications** + Must possess an active Secret clearance or higher + Must hold an active ... System Administrator executes actions necessary to maintain all information systems located on site, and conduct maintenance required to sustain the operability… more
    NANA Regional Corporation (10/02/25)
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  • Senior Network/ Systems

    GovCIO (Sacramento, CA)
    **Overview** GovCIO is currently hiring for a Senior Network/ Systems Administrator with an active Secret clearance. This position will be located in ... related to such changes. **Qualifications** High School with 9+ years systems administration (or commensurate experience) Secret Clearance **Company Overview**… more
    GovCIO (10/08/25)
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  • IT Systems Administrator - Top…

    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 ... ultimate goal of enabling human life on Mars. IT SYSTEMS ADMINISTRATOR - TOP SECRET ...in both formal and informal situations. ADDITIONAL REQUIREMENTS: + Active Top Secret or TS/SCI with Polygraph.… more
    SpaceX (10/11/25)
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  • Sr Principal HPC Linux Systems

    Northrop Grumman (Redondo Beach, CA)
    …You!** The Northrop Grumman Classified Solutions team is seeking a senior **Linux Systems Administrator ** to join its dynamic team of technical professionals. ... **Preferred Qualifications:** + Bachelor's degree in Information Technology + Active Top Secret , TS/SCI, Polygraph, or SAP/SAR...files, and updating virus definitions + Experience as an administrator for Red Hat or similar Linux systems more
    Northrop Grumman (09/11/25)
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  • System Administrator - Active

    ENS Solutions (San Diego, CA)
    This role is contingent upon Contract Award The System Administrator supports secure and resilient operations of PKI infrastructure and associated systems for an ... for DoD PKI inspections. Key Responsibilities: + Maintain and monitor systems supporting PKI services, including Certificate Authorities (CAs), OCSP responders, Key… more
    ENS Solutions (09/27/25)
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  • Principal / Sr Prin Contract Administrator

    Northrop Grumman (Manhattan Beach, CA)
    …and ability to efficiently and effectively research FAR/DFAR information. + Must have Active Top Secret Clearance **Basic Qualifications for a Level 4 Senior ... ability to efficiently and effectively research FAR/DFAR information. + Must have Active Top Secret Clearance. **Preferred Qualifications** + Excellent verbal… more
    Northrop Grumman (09/17/25)
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  • Systems Administrator (Sipr)

    Trace Systems Inc (El Segundo, CA)
    Job Overview Job Title: Systems Administrator (SIPR) Location: Los Angeles, CA Job Responsibilities Trace Systems is actively recruiting for a Systems ... not be limited to, eg, enterprise applications, physical/virtual infrastructure, SANS, DNS, Active Directory, servers, data storage systems , data back-up and… more
    Trace Systems Inc (10/13/25)
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  • Senior Linux System Administrator

    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 will primarily...Education, Experience, & Skills** US Citizenship is required by contract. Active US Top Secret Security Clearance / SCI… more
    BAE Systems (09/18/25)
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  • Systems Administrator

    Insight Global (San Diego, CA)
    Job Description A client in San Diego is looking for a Systems Administrator /Network Engineer to manage their existing server and network environment. We are ... Skills and Requirements - 4+ years experience as a Systems Administrator in a secure environment -...controls and certifications - Clearance eligibility, if not already active , Secret level or higher - Must… more
    Insight Global (10/02/25)
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  • Systems Administrator - TS/SCI…

    General Dynamics Information Technology (El Segundo, CA)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** SYSTEMS ADMINISTRATOR General Dynamics Information Technology (GDIT) is seeking ... a Systems Administrator ...as required. + 3+ years of directly related experience in systems administration and analysis. + Active Directory Account… more
    General Dynamics Information Technology (09/23/25)
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