• COLSA Corporation (Huntsville, AL)
    Join our team as a Linux Systems Administrator , where you will support and manage a diverse mix of workstations, servers, and high-performance computing ... clusters using Bright, Slurm, and/or xCAT. + Strong networking experience in Linux environments. + Cross-OS administration experience with Windows . +… more
    DirectEmployers Association (10/02/25)
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  • Neya Systems (Warrendale, PA)
    …of relevant experience, with at least five (5) years of experience in a senior Linux Systems Administrator role, preferably in a high-tech or regulated ... join our team. This successful person will manage our Linux -based infrastructure and our Windows -11 developer fleet...least five (5) years of experience in a senior Linux Systems Administrator role Equal… more
    DirectEmployers Association (10/23/25)
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  • COLSA Corporation (Huntsville, AL)
    …as the technical lead for a diverse infrastructure environment. The role spans Windows systems , Nutanix virtualization, Linux (RHEL), and enterprise storage. ... IT services in a fast-paced, complex environment. + Support, configure, and troubleshoot Windows 11 and Windows Server environments (AD, Group Policy, DNS/DHCP,… more
    DirectEmployers Association (09/21/25)
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  • Greene Tweed (Lansdale, PA)
    …Servers, and other core services and supporting infrastructure. + Administer and maintain Windows and Linux servers in a mixed hybrid (AWS, Azure) enterprise ... years of related experience successfully installing, maintaining, upgrading and migrating Windows and Linux server environments, preferably global. + Proficiency… more
    DirectEmployers Association (08/21/25)
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  • Quad (Sussex, WI)
    …+ Network technologies (WAN, LAN, Wireless LAN, Unified Communication, VoIP) + Windows Server or Linux distributions + Server virtualization (VMWare, HyperV) ... can always create a better way. GENERAL PURPOSE OF JOB Infrastructure Administrator is an entry level position responsible for implementing technology solutions at… more
    DirectEmployers Association (10/25/25)
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  • PSEG Long Island (Bethpage, NY)
    …and overall health of a variety of cyber security tools within a Microsoft Windows , Linux and UNIX server environments. This role will manage and support ... application development techniques. + Working knowledge and experience in supporting Microsoft Windows Server Operating Systems , Directory Services (AD), MS PKI… more
    DirectEmployers Association (11/06/25)
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  • Tyto Athene (Ashburn, VA)
    …as an applications or systems administrator . + Practical knowledge of Windows and Linux systems administration. + Experience with Linux ... . + Administer and optimize enterprise IT applications and systems in Windows and Linux ...Web Services (AWS). + Serve as a senior Splunk Administrator or Architect, responsible for the configuration, maintenance, and… more
    DirectEmployers Association (11/01/25)
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  • Infinity Systems Engineering (Alexandria, VA)
    …+ Configure, manage, secure, and troubleshoot Juniper and Cisco switches. + Perform systems administration on Windows and Linux platforms (updates, security, ... with us! Job Summary: We are seeking a skilled Systems Administrator /Network Engineer to join our mission-driven...configuration (Cisco experience is a plus) + Proficient in Linux and Windows system administration + Active… more
    DirectEmployers Association (09/30/25)
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  • Jostens (Sedalia, MO)
    …or equivalent combination of education and experience + 0-2 years of experience in systems administration ( Windows OS & Linux ) + Experience patching and ... issues, and thorough ownership of the problem management process. Systems Administrator serves as a technical liaison...applying security remediation for Windows and Linux operating systems more
    DirectEmployers Association (10/01/25)
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  • Senior Systems Administrator

    ManTech (Fairmont, WV)
    **MANTECH** seeks a motivated and customer-oriented **Senior Systems Administrator - Windows / Linux Dual-Stack Specialist** to join our team in **Boulder, ... experience in Systems Administration, with demonstrated expertise in both Windows Server and Enterprise Linux environments. + Expert-level, hands-on… more
    ManTech (11/05/25)
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  • Linux / Windows Systems

    Northrop Grumman (Linthicum Heights, MD)
    …your career. Northrop Grumman's Mission Systems sector is seeking a well-qualified ** Linux / Windows Systems Administrator ** to join its Classified ... be limited to the following: + Perform as a Linux /Redhat systems administrator for a...for a classified government contract. + Perform as a Windows systems administrator for a… more
    Northrop Grumman (11/13/25)
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  • Senior Systems Administrator

    Mount Sinai Health System (New York, NY)
    …at Mount Sinai. The Administrator is the principal technology expert for Windows and Linux systems , and help support high-performance computing (HPC) ... team and a research data services team. The **_Senior Systems Administrator /Engineer,_** as a member of the...6 years of experience in designing, administering and troubleshooting Linux and Windows systems , storage… more
    Mount Sinai Health System (09/22/25)
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  • Sr. Linux / Windows Systems

    Lockheed Martin (King Of Prussia, PA)
    …6 months of start\) * CompTIA Linux \+ or Red Hat Certified Systems Administrator Certification * Ability to provide in\-depth monitoring, able to identify ... our customers achieve their missions\. The Work: As a Systems Administrator on the ECIW team, you... system administration, including installing, patching, troubleshooting and hardening Linux and Windows operating systems more
    Lockheed Martin (11/14/25)
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  • Sr. Systems Administrator

    Subaru of America (Van Buren Twp, MI)
    …experience and interest + At least 2-4 years of experience in a Systems Administrator role supporting Linux and Windows environments and networking + At ... that inspire and delight our customers. ROLE SUMMARY The Systems Administrator serves as a hands-on technical...skills. MAJOR RESPONSIBILITIES + Designs, implements, maintains, and monitors Linux and Windows operating systems .… more
    Subaru of America (10/10/25)
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  • Windows Linux Systems

    General Dynamics Information Technology (Fort Belvoir, VA)
    …consists of a hybrid mix of ** Windows and Red Hat Enterprise Linux (RHEL) systems .** **Key Responsibilities:** + Perform administrative support for both ... Information Technology (GDIT) is looking for a skilled **IT Systems Administrator ** with experience in Microsoft enterprise...Windows and Linux environments on physical systems and virtual… more
    General Dynamics Information Technology (10/14/25)
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  • Linux / Windows Senior…

    Lockheed Martin (San Diego, CA)
    …including: Network/System Administration \- Experience with server and desktop management of Linux and Windows environments \- Familiar with package deployment, ... \- Solid background/experience with Red Hat Enterprise \- Microsoft Windows Server Setup, Configuration, and Administration \- Experience providing lab… more
    Lockheed Martin (10/17/25)
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  • Principal Linux Systems

    Northrop Grumman (Baltimore, MD)
    …of your career. Northrop Grumman Mission Systems is seeking a well-qualified ** Linux Systems Administrator ** to join its Classified Solutions team of ... be limited to the following: + Perform as primary Linux Systems Administrator for a...maintaining computer hardware in a networked environment. + Managing Linux connections within a Windows AD environment.… more
    Northrop Grumman (10/15/25)
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  • Principal Linux System Administrator

    BAE Systems (Manchester, NH)
    Systems is seeking a highly trained and motivated Principal Closed Area Systems Administrator to lead and manage classified IT infrastructure operations in ... equipment (up to 40lbs) and work within controlled environments. **In this Principal Linux Administrator position you will make impacts in the following ways;**… more
    BAE Systems (10/07/25)
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  • Linux Systems Administrator

    L3Harris (Greenville, TX)
    …29921 Job Location: Greenville, TX Schedule: 9/80 Job Description: L3Harris is seeking a Linux Systems Administrator to support Mission System integration in ... resolution. Essential Functions: + Integrate with a team of multidiscipline, multileveled Systems Administrators supporting Linux , Windows , and Network… more
    L3Harris (10/17/25)
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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...Senior Systems Administrator ( Linux ) Location HI - Kaua'i...Security Methods and Techniques. + Knowledge of DoD IT systems , to include Windows , RHEL, and comprehensive… more
    Alaka'ina Foundation Family of Companies (10/23/25)
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