• Principal Linux Administrator (Top…

    RTX Corporation (Richardson, TX)
    …to support a highly virtualized Enterprise infrastructure with a focus on Linux -based systems . The role involves working under the supervision of technical ... for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret Job Description RTX Corporation is an Aerospace and...+ Perform software upgrades, patching, and system maintenance on Linux systems . + Troubleshoot issues and apply… more
    RTX Corporation (12/12/25)
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  • Linux Systems Administrator…

    Lockheed Martin (Huntsville, AL)
    …Security\+, CASP, CISSP\), within 6 months of starting the position * Experience with Linux /UNIX Server and Desktop Operating Systems \(i\.e\. RH 7\.x, RH 8\.x, ... configuring, securing, hardening, remediating, testing, upgrading and decommissioning of Linux Workstations, servers, network switches, virtual servers, physical servers,… more
    Lockheed Martin (11/20/25)
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  • Secret Linux System Administrator…

    Insight Global (Colorado Springs, CO)
    …lab assets, & IT infrastructure . Candidate will sustain operational Red Hat Linux systems and provide daily support for hardware and software issues, data ... Colorado Springs, CO areas is looking for a qualified Linux System Administrator with a Top Secret ...The System Administrator will work to maintain multi-user computer systems , including coordination with network administrators to maintain an… more
    Insight Global (01/07/26)
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  • System Engineer, Linux and Windows,…

    DeVine Consulting, Inc. (Monterey, CA)
    …Experience maintaining a high availability datacenter + Expertise in operating systems (Windows, Linux ), networking protocols, storage technologies, cloud ... IT support and system engineering services including: hardware and software, infrastructure (including network support and data center) maintenance, operation, and… more
    DeVine Consulting, Inc. (12/25/25)
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  • Senior Specialist, Cyber Infrastructure

    L3Harris (Broomfield, CO)
    …domains in the interest of national security. Job Title: Senior Specialist, Cyber Infrastructure Systems Engineer Job Code: 32451 Job Location: Denver, CO Job ... IT environment. Essential Functions: + Configure, monitor, maintain, and troubleshoot Red Hat Linux systems (both physical and virtual). + Deploy and maintain … more
    L3Harris (12/26/25)
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  • Senior Infrastructure Engineer…

    General Dynamics Information Technology (Chantilly, VA)
    …approves periodic status updates on scheduled maintenance and upgrades of all infrastructure systems . + **Troubleshooting:** Troubleshoots operating systems , ... Secret **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** Documentations,Enterprise IT,Information Technology Operations,Microsoft Office,Private… more
    General Dynamics Information Technology (12/14/25)
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  • Senior Systems Administrator ( Linux

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    …The Alaka`ina Foundation Family of Companies (FOCs) is looking for a Senior Linux Systems Administrator Range Network. The position will support our government ... customer located in Kekaha, Hawai'i. Oversee and manage enterprise-level Linux infrastructure in support of US Navy operations within a Department of Defense… more
    Alaka'ina Foundation Family of Companies (11/20/25)
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  • Senior Systems Administrator ( Linux

    Amentum (Waimea, HI)
    …experienced Senior Linux System Administrator to oversee and manage enterprise-level Linux infrastructure in support of US Navy operations within a ... (DoD) environment. This role requires deep technical expertise in Linux systems , leadership in secure system administration,...of Trellix, LogRhythm, and MDE + Experience with DoD systems and infrastructure + Knowledge of Cyber… more
    Amentum (12/24/25)
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  • Senior Linux Systems Administrator

    General Dynamics Information Technology (Macdill AFB, FL)
    …/SCI **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** Linux ,RedHat,System Administration **Certifications:** ... of Linux -based server environments supporting a large-scale enterprise infrastructure . This role supports mission-critical systems across an environment… more
    General Dynamics Information Technology (12/18/25)
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  • Linux / AWS Systems Administrator…

    Northrop Grumman (Morrisville, NC)
    …Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** Linux Systems Administrator** to join its dynamic team of technical ... limited to the following:** + Serve as a senior Linux Systems Administrator within an AWS cloud...disciplines. + Lead the provisioning and management of cloud infrastructure using Infrastructure as Code (IaC), including… more
    Northrop Grumman (11/15/25)
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