• Principal/Sr. Principal HPC System…

    Northrop Grumman (Jessup, MD)
    …ASSISTANCE: No relocation assistance available CLEARANCE TYPE: A US Government security clearance per customer's requirements. TRAVEL: Yes, 10% of the Time ... Mission Systems is a trusted provider of mission-enabling solutions for global security . Our Engineering and Sciences (E&S) organization pushes the boundaries of… more
    Northrop Grumman (12/05/25)
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  • Associate System Administrator

    Lockheed Martin (Littleton, CO)
    …that safeguard global missions\. **Key Responsibilities** * Day to day Operations - Monitor, maintain, and support Windows/ Linux servers, virtualization ... considered for this position **Desired Skills:** * Windows and Linux OS patching/ security hardening in a classified...effectively in a rapid paced, team environment * CompTIA Linux \+ or Red Hat Certified Systems Administrator more
    Lockheed Martin (12/18/25)
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  • Senior Network and Computer Systems…

    NANA Regional Corporation (South Burlington, VT)
    We are seeking an experienced Senior Network and Computer Systems Administrator to lead the administration, security , and optimization of the USCIS enterprise IT ... of mission-critical network and systems services used to support USCIS operations nationwide. As a senior-level administrator , you will provide technical… more
    NANA Regional Corporation (01/09/26)
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  • Senior Unix System Administrator

    SMX (Patuxent River, MD)
    …Patuxent River, MD SMX is seeking a driven and experienced Senior UNIX Administrator to support operations at the Patuxent River Data Center (PRDC). ... This individual will work alongside a team of UNIX/ Linux Systems Administrators responsible for maintaining the integrity, availability, and security of… more
    SMX (12/04/25)
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  • System Administrator VII

    Chenega Corporation (Albuquerque, NM)
    …technology capabilities, to ensure functional optimization in their business. The System Administrator VII will perform system administration for Linux and ... System Administrator VII Albuquerque, NM Join our Talent Network...employer's core culture? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you!… more
    Chenega Corporation (01/06/26)
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  • Enterprise Infrastructure Systems…

    KBR (Sioux Falls, SD)
    … to join a diverse and highly skilled team. This role leads technical operations across both Windows and Unix/ Linux environments (with a primary focus on ... Title: Enterprise Infrastructure Systems Administrator BELONG. CONNECT. GROW. with KBR. Around here, we define the future. We are a company of innovators, thinkers,… more
    KBR (12/06/25)
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  • Systems Administrator II

    V2X (Fort Lee, VA)
    …. 2. Evaluate and optimize network and system performance. 3. Assign and update security permissions on a Linux network. 4. Review and interpret Linux ... **Description** **System Administrator II - "W-TRS" Fort Lee, Virginia** Working...bring 120 years of successful mission support to improve security , streamline logistics, and enhance readiness. Aligned around a… more
    V2X (01/08/26)
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  • Cybersecurity Systems Administrator

    General Dynamics Information Technology (Macdill AFB, FL)
    …You will play a crucial role in providing cyber technical support for Cyber Operations Security Operations Center (CSOC). Support will consist of ... **Job Description:** Advance your career while impacting our national security in cyber as **a Cybersecurity Systems Administrator...+ Previous cyber system administration is a plus + Linux experience + ** Security clearance level: TS/SCI… more
    General Dynamics Information Technology (12/18/25)
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  • Systems Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Annapolis Junction, MD)
    …In this role, you'll design, operate, and evolve the systems that power national- security missions. From enterprise Windows and Linux servers to virtualization, ... tune performance across clusters, and push automation deeper into daily operations . You'll balance reliability with innovation, driving modernization while ensuring… more
    BOOZ, ALLEN & HAMILTON, INC. (12/23/25)
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  • Systems Administrator Level 2/3 (Top…

    Northrop Grumman (Oak Harbor, WA)
    Administrator for a classified government contract. + Perform as a Linux \Redhat System Administrator for a classified government contract. + Maintain smooth ... career today. Northrop Grumman Aeronautical Systems is seeking a well-qualified Systems Administrator to join its dynamic team of technical professionals for the… more
    Northrop Grumman (12/17/25)
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