• Senior Linux System Administrator…

    Mission Support and Test Services (North Las Vegas, NV)
    …looking for a high-performing individual to join our team as a Linux Systems Administrator (Senior Infrastructure Analyst). **Key Responsibilities** + Manage and ... site of choice for large-scale, high-hazard, national security experimentation, with premier facilities and capabilities below ground, on the ground, and in the air.… more
    Mission Support and Test Services (07/23/25)
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  • RHEL System Administrator III

    RTX Corporation (Chesapeake, VA)
    …create a safer, more secure world. This job opportunity is for the ROTHR System Administrator position at the Raytheon, ROTHR Chesapeake, Virginia facility . ... or equivalent with 5 years relevant and recent experience with **configuration, system administration and operation of classified network servers and… more
    RTX Corporation (08/20/25)
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  • Training Simulator System…

    Lockheed Martin (Orlando, FL)
    …position will offer a long\-term deployment to a foreign country as a Training System Simulator System Administrator for the F\-35\. The successful candidate ... * Network troubleshooting and maintenance experience\. * Experience working in classified /access controlled facilities \. * Currently possess a current Security… more
    Lockheed Martin (10/03/25)
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  • Unix & Linux System Administrator…

    Lockheed Martin (Camden, NJ)
    …**WHAT WE'RE DOING** Our Development Environment & Infrastructure Solutions team is seeking a System Administrator skilled in Unix & Linux to support our ... classified software development infrastructure in Moorestown, NJ\. This site...operations, and we need a professional who can ensure systems remain secure, reliable, and mission\-ready\. **THE WORK** You… more
    Lockheed Martin (08/22/25)
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  • RHEL System Administrator III

    RTX Corporation (Chesapeake, VA)
    …create a safer, more secure world. This job opportunity is for the ROTHR System Administrator position at the Raytheon, ROTHR Chesapeake, Virginia facility . ... or equivalent with 5 years relevant and recent experience with configuration, system administration and operation of classified network servers and workstations,… more
    RTX Corporation (09/30/25)
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  • Systems Administrator , Mid

    BOOZ, ALLEN & HAMILTON, INC. (Aurora, CO)
    Systems Administrator , Mid The Opportunity : What if you could use your hardware and sof tware skills to improve the technology supporting the intelligence ... IC ) ? With so much relying on complex systems , a skilled systems administrator ...may need to meet eligibility requirements for access to classified information ; TS/SCI clearance with polygraph is required.… more
    BOOZ, ALLEN & HAMILTON, INC. (10/03/25)
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  • Linux/Windows Systems Administrator…

    Lockheed Martin (King Of Prussia, PA)
    …the boundaries of technology to help our customers achieve their missions\. The Work: As a Systems Administrator on the ECIW team, you will: \- Work in an agile ... required within 6 months of start\) * CompTIA Linux\+ or Red Hat Certified Systems Administrator Certification * Ability to provide in\-depth monitoring, able to… more
    Lockheed Martin (10/15/25)
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  • Network/ System Administrator II

    P 11 Security, Inc. (Colorado Springs, CO)
    Network/ System Administrator II Colorado Springs, CO (http://maps.google.com/maps?q=n/a+Colorado+Springs+CO+USA+80904) Job Type Full-time Description The primary ... FTP, & SSL + Maintain file servers, Firewalls, network access, Security Monitoring Systems and system documentation as required + Interface with local customers… more
    P 11 Security, Inc. (10/11/25)
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  • Systems Administrator

    GovCIO (Vandenberg AFB, CA)
    **Overview** GovCIO is currently hiring for a System Administrator tosupport mobile optics imagery operations for Western Range activities, including ... Linux+) + Familiarity with aerospace or range operations + Experience supporting classified systems and secure enclaves \#JP #NSS **Company Overview** GovCIO… more
    GovCIO (10/08/25)
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  • IT Systems Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Cherry, IL)
    IT Systems Administrator The Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills ... Navy's mission-critical systems ? We're looking for a systems administrator who is familiar with server...may need to meet eligibility requirements for access to classified information; TS/SCI clearance is required. Compensation At Booz… more
    BOOZ, ALLEN & HAMILTON, INC. (10/12/25)
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