• Principal Linux Systems

    RTX Corporation (El Segundo, CA)
    …are eligible for a security clearance. + Must have experience with Linux systems administration + Experience with one of the following: Solaris, Windows, ... meaningful problems that create a safer, more secure world. **Principal System Administrator ** in infrastructure Workplace Services, collaborates with many… more
    RTX Corporation (09/09/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    **ManTech** seeks an experienced and passionate, career and customer-oriented ** Linux System Administrator ** to join our team located in the Fort Meade, MD ... adding scalability while circumventing manual process for new operating system rollout. + Configure host-based intrusion detection systems...IPA replacing human error and manual process + Analyze system and security logs while responding to… more
    ManTech (10/16/25)
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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 ... Perl, Bash and PowerShell\) * Experience with vulnerability remediation and security management \(i\.e\., system hardening, log management, configuration… more
    Lockheed Martin (11/20/25)
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  • Linux Systems Administrator

    Arena Technical Resources, LLC (St. Louis, MO)
    Linux Systems Administrator Location: St....- Must be able to research findings identified by security scans and patching systems . - Must be ... a talented TS/SCI cleared Red Hat Data Center / Systems Administrator in St. Louis, MO to...maintaining, securing, and enhancing aR&D testbed network/environment across multiple security domains. Our team is made up of cloud… more
    Arena Technical Resources, LLC (10/06/25)
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  • Field Engineer/ Linux Systems

    Huntington Ingalls Industries (Columbia, MD)
    …during the interview process. Job Description Enlighten is looking for a Field Engineer/ Linux Systems Administrator to support operational systems ... well. + At least 9 years of experience in Linux Systems Administration with Bachelors in related...systems and applications. + Experience leveraging a ticketing system for support requests (JIRA, ServiceNow, etc.) + Must… more
    Huntington Ingalls Industries (11/06/25)
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  • Linux System Administrator

    CACI International (Wright Patterson AFB, OH)
    Linux System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... * * * **The Opportunity:** CACI is seeking a ** System Administrator ** to support operations and maintenance...configuration of virtualized systems **Qualifications:** _Required_ + Security + Red Hat Certified System Admin (RHCSA)… more
    CACI International (10/25/25)
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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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  • Linux administrator

    Robert Half Technology (Albuquerque, NM)
    …research computing environments. The role requires knowledge in Linux systems , virtualization, storage solutions, and security protocols to ensure scalable ... Description We are looking for an experienced Linux Administrator to join our team...the most suitable virtualization technologies based on research and security needs. * Facilitate the migration of systems more
    Robert Half Technology (11/03/25)
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  • Linux Administrator , Senior

    Amentum (Hanover, MD)
    …in the resolution process. Configures and manages Linux operating systems and installs/loads operating system software, troubleshoots, maintains integrity ... If so, look no further. Amentum is seeking a ** Linux Administrator , Senior** to join our team...will provide candidates with a chance to work on system security plan efforts: patching, reviewing vulnerabilities,… more
    Amentum (11/21/25)
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  • Cyber Range Linux Systems

    Adapt Forward (North Charleston, SC)
    …administration in Test & Evaluation environment * Strong familiarity with Linux systems from a system administrator viewpoint, including related ... Cyber Security Analyst III, Cyber Range Operations Lead/Staff North...upkeep of hardware and software systems . The Systems specialty will focus on system configuration,… more
    Adapt Forward (10/08/25)
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