• Sr. Linux Systems

    RTX Corporation (Richardson, TX)
    …be supporting a Raytheon program in a classified environment as a **Sr. Linux System Administrator ** . Responsibilities include building, maintaining, and ... execution. We support critical programs with unclassified, classified, and proprietary information system capabilities and create end-to-end solutions to solve… more
    RTX Corporation (11/19/25)
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  • Quality Assurance Linux

    Assertive Professionals (Hanover, MD)
    …in the resolution process. Configures and manages LINUX operating systems and installs/loads operating system software, troubleshoots, maintains integrity ... Quality Assurance Linux Administrator About the Organization Established...Description: Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems . Provides support to… more
    Assertive Professionals (09/25/25)
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  • Linux Systems Administrator

    Arena Technical Resources, LLC (St. Louis, MO)
    Linux Systems Administrator Location: St. Louis, MO, US Job ID: ATR 17232 Job Description We are looking for a talented TS/SCI cleared Red Hat Data Center / ... Systems Administrator in St. Louis, MO to...innovative design, engineering, implementation, operations, sustainment, and disposal of information technology (IT) services on multiple networks and security… more
    Arena Technical Resources, LLC (10/06/25)
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  • Principal Linux Systems

    RTX Corporation (El Segundo, CA)
    …meaningful problems that create a safer, more secure world. **Principal System Administrator ** in infrastructure Workplace Services, collaborates with many ... teams to support fast-paced, critical programs with classified information system capabilities. Success in this role...for a security clearance. + Must have experience with Linux systems administration + Experience with one… more
    RTX Corporation (09/09/25)
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  • Linux Systems Administrator

    Lockheed Martin (Sunnyvale, CA)
    …and more than 570 facilities that span more than 70 countries\. We are hiring a Linux System Administrator , Sr to support daily IT operations in our ... In this position, the chosen candidate will utilize their system administration skills as primary IT support for a...for a classified environment, with a focus on our Linux environment\. Priority consideration will be given to qualified… more
    Lockheed Martin (11/20/25)
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  • Linux Systems Administrator

    ManTech (Laurel, MD)
    **MANTECH** seeks a motivated, career and customer-oriented ** Linux ** ** System Administrator ** to join our team in **Laurel, MD** at Emerson 8. ... but are not limited to:** + Ability to analyze user's requirements and high-level system architectures to develop system requirements + Provide Tier 1(Help Desk)… more
    ManTech (11/26/25)
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  • Principal Linux Administrator

    RTX Corporation (Mckinney, TX)
    …hardware, operating systems , and software. + Perform software upgrades, patching, and system maintenance on Linux systems . + Troubleshoot issues and ... information assurance testing and vulnerability mitigation for Linux systems . + Maintain data storage and... system maintenance, installations, upgrades, and backups on Linux systems . + Team-oriented with strong collaboration… more
    RTX Corporation (11/19/25)
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  • Linux Administrator

    ManpowerGroup (Foster City, CA)
    Our client, a leading autonomous mobility organization, is seeking a dedicated Linux Administrator to join their dynamic team. As a Linux Administrator , ... successfully with the organization's commitment to innovation and excellence. **Job Title:** Linux Administrator **Location:** Foster City, CA **Pay Range:** $75… more
    ManpowerGroup (11/21/25)
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  • UNIX/ Linux OS Administrator

    General Dynamics Information Technology (Offutt AFB, NE)
    …IT services and network support for NIPRNet, SIPRNet, JWICS, and SAP/SAR environment **UNIX/ Linux OS Administrator :** + Performs systems administration for ... Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** Linux , System Administration,Unix **Certifications:** Security+ - CompTIA - CompTIA… more
    General Dynamics Information Technology (11/19/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    **ManTech** seeks an experienced and passionate, career and customer-oriented ** System Administrator ** to join our team located in the Fort Meade, MD area. ... internal servers adding scalability while circumventing manual process for new operating system rollout. + Configure host-based intrusion detection systems . +… more
    ManTech (11/22/25)
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