• Principal Linux System…

    RTX Corporation (Tewksbury, MA)
    …agility through business innovation, technical proficiency, and operational excellence. **Principal Linux System Administrators** collaborates with many teams to ... + Responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a Linux /Windows… more
    RTX Corporation (08/19/25)
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  • Linux Systems Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Honolulu, HI)
    Linux Systems Administrator The...Cross Domain Solutions for an enterprise environment. As a Linux System Administrator on our ... + 3+ years of experience with Red Hat Enterprise Linux or CentOS + Experience managing virtual machines and...an IT field and 5+ years of experience with systems administration or 12+ years of experience with … more
    BOOZ, ALLEN & HAMILTON, INC. (09/30/25)
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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 the ... 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 (08/08/25)
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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 effort ... 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 (08/08/25)
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  • Linux Systems Administrator

    Robert Half Technology (La Vergne, TN)
    Description We are currently seeking a highly-skilled Linux Systems Administrator with expertise in configuring and managing Ubuntu Servers. Ideal candidates ... Manage and monitor system performance, resources, and system /network security . + Regularly upgrade systems...Requirements Qualifications + Minimum 3 years' experience as a Systems Administrator working with Linux … more
    Robert Half Technology (09/19/25)
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  • System Administrator Linux…

    RTX Corporation (St. Petersburg, FL)
    …career growth opportunity with our Information Workplace Services team for a talented Linuz Systems Administrator . This is an opportunity to work in a highly ... DoD Secret Clearance. **_** **What YOU will do:** + You will provide System Administration in a heterogeneous Redhat Enterprise Linux environment. +… more
    RTX Corporation (09/16/25)
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  • Senior Linux Administrator -Team…

    General Dynamics Information Technology (Falls Church, VA)
    …Trust/Other Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** Linux ,Operating Systems Security ,Red Hat Ansible,Red Hat Enterprise ... + Certified - CompTIA - CompTIA, Red Hat Certified System Administrator (RHCSA) in Red Hat OpenStack...IMPACT:** + Provide system administration support for Linux operating systems including installing software, applying… more
    General Dynamics Information Technology (08/22/25)
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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 (09/03/25)
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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 (07/15/25)
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  • Principal System Administrator…

    RTX Corporation (Marlborough, MA)
    …opportunity with our DT - Information Workplace Services team for a talented Principal Systems Administrator / Analyst. You will collaborate with a team of DT ... Status Requirements:** The ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as only US citizens are… more
    RTX Corporation (09/26/25)
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