• Principal Windows Systems

    Northrop Grumman (San Diego, CA)
    …We Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** Windows Systems Administrator ** to join its dynamic team of ... be limited to the following: + Perform as a Windows System Administrator for a...: + Bachelor's degree in Information Technology + Active Top Secret , TS /SCI, Polygraph, or… more
    Northrop Grumman (11/21/25)
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  • Linux/ Windows Systems

    Northrop Grumman (Palmdale, CA)
    …You!** The Northrop Grumman Classified Solutions team is seeking a novice cross-platform **Linux/ Windows Systems Administrator ** to join its dynamic team of ... limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract....: + 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 Windows Systems

    RTX Corporation (El Segundo, CA)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** Top Secret - Current At Raytheon, the foundation of everything we do ... meaningful problems that create a safer, more secure world. **Principal System Administrator ** in infrastructure Workplace Services, collaborates with many… more
    RTX Corporation (11/18/25)
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  • Senior Principal Windows System

    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 ... and a minimum of 5 years experience. + Active and transferable US government issued Top Secret security clearance is required prior to start date. US citizenship… more
    RTX Corporation (10/24/25)
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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...BASIC QUALIFICATIONS: + 4+ years of experience in IT systems administration. + Experience with Windows servers… 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 ... transition to a 4x10 schedule \(Wed \- Sat\); Active Top Secret Security Clearance \(and of course...a non\-expired CompTIA Security \+ certification * Experience with Windows Operating Systems \(i\.e\., Windows more
    Lockheed Martin (10/18/25)
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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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  • 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...Skills** US Citizenship is required by contract. Active US Top Secret Security Clearance / SCI is...(4 years of experience with a degree) as a system administrator in a Linux OS environment.… more
    BAE Systems (09/18/25)
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  • System Administrator - Edwards Air…

    Dell Technologies (Edwards AFB, CA)
    ** System Administrator - Edwards Air Force...US Citizen local to Edwards, California + Possess active Top Secret Department of Defense (DoD) clearance ... work of your career and make a profound social impact as a ** System Administrator ** on our **Professional Services** **Consulting** Team in **Edwards, California… more
    Dell Technologies (10/04/25)
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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 ... Experience with troubleshooting, patching, and support Linux, ESXi and Windows Systems . + Work as a team...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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