• Principal Windows Systems…

    Northrop Grumman (Redondo Beach, CA)
    …of the best work of your career. Northrop Grumman is seeking a well-qualified Windows Systems Administrator to join its dynamic team of technical professionals ... will include but not be limited to the following: + Perform as primary Windows Systems Administrator for a large, classified government contract. + Communicate… more
    Northrop Grumman (07/18/25)
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  • Senior Systems Administrator (Linux/…

    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 ... /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6239/senior-systems- administrator --%28linux- windows %29/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-6239_… more
    GovCIO (07/09/25)
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  • Windows System Administrator

    RTX Corporation (El Segundo, CA)
    …requested by end users. + Work with Cybersecurity professionals to maintain security requirements. + Administering of Microsoft Windows Server and Active ... required, as only US citizens are eligible for a security clearance. + Experience supporting Windows operating systems. + Experience with some of the following,… more
    RTX Corporation (08/15/25)
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  • Linux/ Windows Senior Systems…

    Lockheed Martin (San Diego, CA)
    …to include STIG compliant hardening * Configuration, fine tuning, and maintenance of security tools such as Nessus, ACAS, Splunk, etc\. * Setting up/configuring new ... \- Solid background/experience with Red Hat Enterprise \- Microsoft Windows Server Setup, Configuration, and Administration \- Experience providing lab… more
    Lockheed Martin (07/12/25)
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  • Network Administrator - Navy Integrated…

    Huntington Ingalls Industries (San Diego, CA)
    …Type: Full Time/Salaried/Exempt Anticipated Salary Range: $81,401.00 - $115,000.00 Security Clearance: Secret Level of Experience: Mid This opportunity resides ... with Global Security (GS). Mission Technologies' Global Security (GS)...video: https://vimeo.com/732533072 Summary Mission Technologies is seeking a Network Administrator to support the Navy Enterprise Tactical Training Network… more
    Huntington Ingalls Industries (07/12/25)
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  • System Administrator - Secret Clearance…

    TEKsystems (Oceanside, CA)
    …be available for 2-hour onsite call back support for critical issues. Skills Windows administration, Server administrator , Windows , System administrator , ... of experience and then a specific skill set in security . This is a great way for a Mid...Active directory, Windows server Top Skills Details Windows administration, Server administrator Additional Skills &… more
    TEKsystems (08/19/25)
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  • Systems Administrator , Entry

    UIC Government Services and the Bowhead Family of Companies (Corona, CA)
    **Overview** Bowhead seeks an Entry-Level Systems Administrator to join our team supporting the Program Office for NSWC Corona, Corona Division in Norco, California. ... The Systems Administrator will work for the senior systems ...Installation of hardware, software, systems upgrades, network accounts, network security , and web page design, interface and updates, and… more
    UIC Government Services and the Bowhead Family of Companies (08/08/25)
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  • Systems Administrator II

    LA Care Health Plan (Los Angeles, CA)
    …sessions with support groups to ensure well-planned implementations. Develop and maintain security access levels for UNIX and windows servers systems. Develop ... Systems Administrator II Job Category: Information Technology Department: IT...and projects relating to the various operating systems, ie Windows 2008-12, Linux. This position works closely with System… more
    LA Care Health Plan (08/02/25)
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  • Classified Systems Administrator

    The MITRE Corporation (San Diego, CA)
    …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 ... has prior experience working as a classified IT Systems Administrator . This is an on-premises position on our San...CA campus. Roles & Responsibilities: + Building and hardening Windows , Linux, Hypervisor systems, such as VMware + Patching… more
    The MITRE Corporation (08/13/25)
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  • System Administrator

    Cognizant (San Jose, CA)
    **About the group:** Cognizant's Cloud, Infrastructure, and Security Services Practice (CIS), is all about accepting digital transformation by driving core ... to own the business in a secure environment. **Position Overview : Systems Administrator - Global Lab Solutions (GLS)** Cognizant is seeking a **Systems … more
    Cognizant (08/18/25)
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