• Schrdinger (NY)
    We're seeking a ** Systems Administrator ** to join us in our mission to improve human health and quality of life! At Schrodinger, we're dedicated to advancing ... role + Proven experience administering mixed-OS environments, with specific proficiency in Linux ( RHEL /Ubuntu) and Windows Server + Robust hands-on experience… more
    DirectEmployers Association (12/03/25)
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  • Argonne National Laboratory (Lemont, IL)
    Argonne has an opportunity to serve as the System Administrator of the classified National Security Systems (NSS) for the Security Programs Facility (SPF). ... or similar enterprise backup solutions. + Familiarity with Linux Server Operating Systems such as RHEL , Rocky, Ubuntu Pro + Experience with the configuration… more
    DirectEmployers Association (11/22/25)
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  • COLSA Corporation (Huntsville, AL)
    …the technical lead for a diverse infrastructure environment. The role spans Windows systems , Nutanix virtualization, Linux ( RHEL ), and enterprise storage. ... higher. + Microsoft Certifications (MCSA/MCSE, AZ-104, etc.). + Red Hat Certified System Administrator (RHCSA) or Engineer (RHCE). + Experience with automation… more
    DirectEmployers Association (09/21/25)
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  • Database Administrator III

    RTX Corporation (Chesapeake, VA)
    …SIPRNet Red Hat Enterprise Linux ( RHEL ) Systems Administrator for day-to-day Global Command and Control System -Joint (GCCS-J) maintenance and Assured ... Linux Server** and services + Experience with refactoring old database systems **Preferred Qualifications:** + Linux + Certification + Strong analytical and… more
    RTX Corporation (10/15/25)
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  • Enterprise Management Tools - Systems

    General Dynamics Information Technology (San Antonio, TX)
    …Skills and Abilities: Windows Server Administrator ; Win Server 2016, 2019 or 2022, RHEL / Linux Server Administrator ; RHEL 7x, 8x, or 9x, Network ... None **Job Family:** IT Infrastructure and Operations **Skills:** Management Tools, System Administration, Systems Management **Certifications:** Comp TIA Security… more
    General Dynamics Information Technology (12/12/25)
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  • RHEL System Administrator II

    RTX Corporation (Chesapeake, VA)
    …citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret RHEL Administrator At Raytheon, the foundation of everything we do ... secure world. This job opportunity is for the ROTHR System Administrator position at the Raytheon, ROTHR...responsible for day-to-day operation and sustainment of the Mission systems to include (but not limited to): Administer all… more
    RTX Corporation (12/03/25)
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  • Patch and Linux Administrator

    Huntington Ingalls Industries (Fairfax, VA)
    …patches System Administration & Management * Design, implement, and maintain enterprise Linux systems running RHEL and Ubuntu distributions * Administer ... management and system administration across multiple operating systems , including Red Hat Enterprise Linux ( RHEL ), Ubuntu, and macOS. The ideal candidate… more
    Huntington Ingalls Industries (11/14/25)
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  • Senior Systems Administrator

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    …The Alaka`ina Foundation Family of Companies (FOCs) is looking for a Senior Linux Systems Administrator Range Network. The position will support ... Senior Systems Administrator ( Linux ) Location...(DoD) environment. This role requires deep technical expertise in Linux systems , leadership in secure system more
    Alaka'ina Foundation Family of Companies (11/20/25)
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  • Senior Linux Systems

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    Administrator (NetServ) to join our team in Dahlgren, VA. The Senior Linux Administrator (NetServ) is responsible for system administration and customer ... systems and services is required: Red Hat Enterprise Linux ( RHEL 8.x with RHEL ... system + Obtain the Red Hat Certified System Administrator (RHCSA) or Red Hat Certified… more
    UIC Government Services and the Bowhead Family of Companies (11/21/25)
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  • Senior Systems Administrator

    Amentum (Waimea, HI)
    Amentum is seeking a highly experienced Senior Linux System Administrator to oversee and manage enterprise-level Linux infrastructure in support of US ... (DoD) environment. This role requires deep technical expertise in Linux systems , leadership in secure system...following OS Certifications required + Linux + Linux + Red Hat Certified System Administrator more
    Amentum (09/24/25)
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  • System Administrator - Linux

    Electrosoft (Atlanta, GA)
    System Administrator - Linux Posted:...share in the many benefits and opportunities we offer. Systems Administrator - Linux (Red Hat ... Summary: We are seeking a highly skilled and experienced Systems Administrator - Linux (Red...+ Manage task automation using tools like Ansible and RHEL Satellite. + Handle package management across geographically dispersed… more
    Electrosoft (10/25/25)
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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 ... system administration support for Linux operating systems including installing software, applying...8 Servers **Required Technical Skills Requirements:** + Experience managing RHEL 7 and RHEL 8 Linux more
    General Dynamics Information Technology (10/25/25)
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  • Linux System Administrator

    The Boeing Company (Seal Beach, CA)
    …Defense, Space & Security (BDS), Space and Launch Organization seeks an early career ** Linux System Administrator ** to support Proprietary Programs in Seal ... Assist with **install** ation, **config** uration, and management of **Red Hat** Enterprise Linux ( ** RHEL ** ) and **AWS** environments to ensure optimal… more
    The Boeing Company (12/07/25)
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  • Senior Linux System

    Leidos (Fairfax, VA)
    …well as IT Infrastructure Operations and Engineering support. Leidos is hiring a Senior Linux System Administrator to provide on-site support in Fairfax, VA ... Bachelor's Degree with 12+ years' experience as a Unix System Administrator - Operational experience with RHEL8...iDRAC, VMWare, AWS and Azure + SW experience: Operating Systems : RHEL8 and RHEL 9 + Red… more
    Leidos (12/12/25)
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  • Linux Systems Administrator

    Huntington Ingalls Industries (Nellis AFB, NV)
    …Who We Are Mission Technologies, a Division of HII, is seeking a Linux Systems Administrator Lead to support a Modeling, Simulation, ... Experience in Joint Simulation Environment (JSE) preferably as a System Administrator . + Preferred experience would be...+ Preferred experience would be maintaining Red Hat Enterprise Linux ( RHEL ) systems . + Prefer… more
    Huntington Ingalls Industries (10/03/25)
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  • Principal Linux Systems

    RTX Corporation (Pelham, NH)
    …create a safer, more secure world. Raytheon has an opportunity for a **Principal Linux System Administrator ** operational support and sustainment for a high ... other government mandated processes during the life cycle of systems they will maintain. **What You Will Do:** +...a security clearance. + Experience with Red Hat Enterprise Linux ( RHEL ), including system installation,… more
    RTX Corporation (12/09/25)
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  • Linux Systems Administrator

    BCMC (Arlington, VA)
    …lead Linux Systems Administrator overseeing Red Hat Enterprise Linux ( RHEL ) environments across development, lab, and production systems . - ... large scale configuration management and deployment across Windows, MacOS, Linux /Unix, and other operating systems and virtual...- 5+ years of directly relevant experience as a Linux System Administrator . - 3+… more
    BCMC (10/16/25)
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  • Linux System Administrator

    SAIC (Huntsville, AL)
    **Description** SAIC has an immediate need for a BMC3 ** Systems Administrator Analyst** with Linux full stack development experience. We are looking for an ... all issues with system configurations, backups, files systems , and user access. + Support Linux ...a Linux environment. + Experience in a Systems Administrator role with Windows. + Experience… more
    SAIC (11/15/25)
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  • Linux Systems Administrator

    Huntington Ingalls Industries (Nellis AFB, NV)
    …Who We Are Mission Technologies, a Division of HII, is seeking a Linux Systems Administrator to support a Modeling, Simulation, and ... and relevant SAP/SAR Clearance. Preferred Requirements + Experience maintaining Red Hat Enterprise Linux ( RHEL ) systems , highly desired. + Candidates with an… more
    Huntington Ingalls Industries (10/08/25)
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  • Mid Level Linux Administrator

    Integration Innovation, Inc. (i3) (Huntsville, AL)
    …an Army Contract. The Mid-Level Linux Systems Administrator will provide technical expertise supporting information system components, infrastructure ... Overview i3 is seeking a Mid-Level Linux Systems Administrator to...the ability to obtain and maintain. + Requires strong Linux ( RHEL , CentOS) Operating System more
    Integration Innovation, Inc. (i3) (10/28/25)
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