• Classified Systems Administrator

    The MITRE Corporation (San Diego, CA)
    …step; or equivalent combination of related education and work experience. + Top Secret -level clearance + Working knowledge of server and client operating ... a difference with us. Department Summary: The team seeks a full-time Systems Administrator to support the deployment, operation, and maintenance of IT systems in… more
    The MITRE Corporation (08/13/25)
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  • Senior Windows System Administrator

    RTX Corporation (El Segundo, CA)
    …only US citizens are eligible for a security clearance **Security Clearance:** DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our ... for classified programs. Duties include, but are not limited to, server management (software and hardware); storage management (logical and physical); cross… more
    RTX Corporation (08/13/25)
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  • Principal Windows Systems Administrator

    Northrop Grumman (Redondo Beach, CA)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... career. Northrop Grumman is seeking a well-qualified Windows Systems Administrator to join its dynamic team of technical professionals...as directed by the Cyber Security team + Report project status as required for all recurring and non-recurring… more
    Northrop Grumman (07/18/25)
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  • Computer System Administrator

    Northrop Grumman (Palmdale, CA)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: No **Description** At Northrop Grumman, our employees have incredible ... be limited to the following: + Perform as primary Systems or Network Administrator for a classified government contract. + Communicate effectively at all levels of… more
    Northrop Grumman (08/13/25)
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  • Principal Linux System Administrator

    RTX Corporation (El Segundo, CA)
    …US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our ... system security standards and system hardening techniques + Partner with application/ project /security teams and vendors to plan, design, and implement new IT… more
    RTX Corporation (07/03/25)
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  • Principal Linux System Administrator

    RTX Corporation (El Segundo, CA)
    …US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our ... (eg Ivanti, Symantec, Splunk, Tenable Nessus). + Leverage experience with Windows server , virtual servers, or Linux fundamentals that include DNS, DHCP, Active… more
    RTX Corporation (08/08/25)
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  • Information Security Analyst - Journeyman

    SMX (San Diego, CA)
    …work location at a government site in **San Diego, CA** . **A DoD secret security clearance is required which requires US citizenship for work on DoD contracts.** ... with RMF and other DoD cybersecurity frameworks + collaborate with Government Project Leads (GPL) and Security Managers to integrate security measures into systems… more
    SMX (08/12/25)
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