• Senior Principal Linux

    RTX Corporation (El Segundo, CA)
    …more secure world. **What You Will Do** + We are seeking an experienced Linux Administrator that will be working in a highly collaborative, multi-platform and ... candidate is responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a Linux /Windows… more
    RTX Corporation (09/26/25)
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  • Sr. Linux /Unix Administrator

    S4 Inc. (Omaha, NE)
    …Job Listing Number: NE25002 LCAT: Senior Network and Computer Systems Administrator Overview: S4 Inc. has a Sr. Linux /Unix System Administrator ... following certifications is preferred: ITIL 4 Foundations; Red Hat Certified Systems Administrator ; or Linux Professional Institute Certification Linux more
    S4 Inc. (07/09/25)
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  • Senior Linux System…

    ManTech (Fort Meade, MD)
    Mantech seeks a motivated, career and customer-oriented ** Senior Linux System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will ... perform system capacity analysis and planning. + Configure and manage Linux operating systems ; install and maintain OS software; implement system enhancements to… more
    ManTech (09/20/25)
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  • Senior Linux System…

    ManTech (Fort Meade, MD)
    ManTech seeks a ** Senior Linux System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will provide support for implementation, ... capacity analysis and system planning. + Configure and manage Linux and Windows operating systems ; install, load,...Configure and manage Linux and Windows operating systems ; install, load, and enhance OS software for improved… more
    ManTech (07/15/25)
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  • Linux Systems Administrator

    Arena Technical Resources, LLC (St. Louis, MO)
    Linux Systems Administrator Location: St. Louis, MO, US Job ID:...+ 8 Years Experience | + + + | Level 3 - Senior | - PhD + 2 Years Experience | | | | ... a talented TS/SCI cleared Red Hat Data Center / Systems Administrator in St. Louis, MO to...(not just familiarity) RedHat or some other variance of Linux - Must be able to troubleshoot users' problems… more
    Arena Technical Resources, LLC (08/30/25)
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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 ... time locally out of our Columbia, MD headquarters. #LI-DS1 #Mid- Senior Level Essential Job Responsibilities + Troubleshoot moderately complex...well. + At least 9 years of experience in Linux Systems Administration with Bachelors in related… more
    Huntington Ingalls Industries (08/08/25)
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  • Principal Linux System Administrator

    General Dynamics Information Technology (Livermore, CA)
    …Description:** $10K Sign-on bonus A Senior Linux System Administrator Maintains an organization's computer systems ' workflows and is responsible for ... Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** Linux ,Microsoft Server Operating Systems ,Microsoft Windows Environment **Certifications:**… more
    General Dynamics Information Technology (08/09/25)
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  • Linux System Administrator

    Chenega Corporation (Albuquerque, NM)
    …with applicable Linux servers/devices. + Track vulnerabilities and perform patching on Linux systems to be in compliance with requirements set forth by ... Linux System Administrator Albuquerque, NM Join...TheLinux System Administratorshall perform system administration for the operating systems for which they have responsibility. The Contractor shall… more
    Chenega Corporation (07/10/25)
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  • Sr. Principal Linux System…

    RTX Corporation (Aurora, CO)
    …You will be supporting a Raytheon program in a classified environment as a Senior Principal Linux System Administrator . + Responsibilities include building, ... SSCP, CySA+, CND. + Experience administering Red Hat Enterprise Linux (RHEL) based systems + Experience using and developing automation tools/frameworks such as… more
    RTX Corporation (07/19/25)
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  • Cleared IT Systems Administrator

    BAE Systems (Broomfield, CO)
    …may be available based on position level and/or job specifics. **Cleared IT Systems Administrator Senior ** **115020BR** EEO Career Site Equal Opportunity ... CITIZENSHIP REQUIRED** BAE Systems Space and Mission Systems is seeking an experienced Linux System Administrator that will support the implementation,… more
    BAE Systems (09/09/25)
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