• Linux Systems Administrator

    Parsons Corporation (Centreville, VA)
    …talent and redefine what's possible. **Job Description:** Parsons is seeking a mid-level ** Linux Systems Administrator ** . The candidate will support both ... systems maintenance. Responsibilities also include software and hardware system installations, and troubleshooting of user reported issues. The candidate will… more
    Parsons Corporation (11/08/25)
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  • Linux System Administrator

    ManTech (Aurora, CO)
    **MANTECH** is seeking a ** Linux ** ** System Administrator ** to join our team in **Southlands, Colorado** . This position supports the ELINT Modernization ... levels + Configure and manage UNIX/ Linux operating systems and install/load OS software + Optimize system...related experience might be substituted for a degree + Security + certification is required + Experience with troubleshooting and… more
    ManTech (10/23/25)
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  • Linux System Administrator

    ManTech (Aurora, CO)
    **MANTECH** seeks a motivated and customer-focused ** Linux ** ** System Administrator ** to join our team in **Southlands, Colorado** . This position supports ... and Tier 2 support levels + Configure and manage UNIX/ Linux operating systems and install/load OS software + Optimize system operations and perform resource… more
    ManTech (10/23/25)
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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, ... perform capacity analysis and system planning. + Configure and manage Linux and Windows operating systems ; install, load, and enhance OS software… more
    ManTech (10/14/25)
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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 ... capacity analysis and planning. + Configure and manage Linux operating systems ; install and maintain OS software; implement system enhancements to improve… more
    ManTech (10/25/25)
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  • Linux System Administrator

    RTX Corporation (Woburn, MA)
    …meaningful problems that create a safer, more secure world. Raytheon is currently seeking a Linux System Administrator to support the Sea Based X-Band Radar, ... system software. + Manages user accounts and system security settings. + Supports mission operations... System software and hardware to include operating systems experience, (Windows, Red Hat Enterprise Linux ,… more
    RTX Corporation (11/19/25)
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  • Linux Administrator

    CACI International (Chantilly, VA)
    …(IAM) and integration with Linux systems . * Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE) certification. * ITIL, ... Linux Administrator Job Category: Information Technology...candidate will manage and support enterprise Linux systems that are mission-critical to national security more
    CACI International (11/13/25)
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  • Senior Linux Administrator Team Lead

    General Dynamics Information Technology (Falls Church, VA)
    …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** **HOW A LINUX SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide ... Operations **Skills:** Critical Systems ,Enterprise Systems ,Software Updates, System Administration,Technical Issues **Certifications:** CompTIA Security + CE… more
    General Dynamics Information Technology (10/25/25)
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  • 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 ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (11/19/25)
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  • Principal Linux Administrator

    RTX Corporation (Mckinney, TX)
    …+ Perform software upgrades, patching, and system maintenance on Linux systems . + Troubleshoot issues and apply security policies specific to Linux ... Services** team: **Role Overview:** RTX is seeking a Principal Linux Administrator to support a highly virtualized... system maintenance, installations, upgrades, and backups on Linux systems . + Team-oriented with strong collaboration… more
    RTX Corporation (11/19/25)
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