• Applied Research Associates, Inc. (Warrendale, PA)
    …years 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 ... with at least five (5) years of experience in a senior Linux Systems Administrator role Equal Opportunity Employer/Protected Veterans/Individuals with… more
    DirectEmployers Association (10/23/25)
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  • iconectiv (Bridgewater, NJ)
    …information, visit www.iconectiv.com . Follow us on X and Linkedln. The Senior System Administrator role provides system administration maintenance and support ... Administration Center) Lab and Production Telecommunications Application Service environments. The Senior System Administrator is a crucial member of our… more
    DirectEmployers Association (12/03/25)
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  • Applied Research Associates, Inc. (Eglin AFB, FL)
    …required for secure SIPRNet operations. This role works directly with the Sr . Systems Administrator and the broader systems-admin team leading engineering ... Applied Research Associates, Inc. ( **ARA** ) is seeking a lead administrator for a SIPRNet capability supporting a DoD-owned secret-level enclave that already… more
    DirectEmployers Association (11/21/25)
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  • MCL Systems Limited (Manassas, VA)
    System, Network, and Database Administrator Our Company MCL Systems Limited ( MCL ), is a Software development firm in the arena of telecom Billing and Operational ... infrastructure. Our infrastructure is a multi-site network cluster of Windows, Linux servers, SQL Server databases, and other supporting network hardware and… more
    job goal (12/13/25)
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  • 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 science ... maintain a diverse fleet of endpoints and servers (macOS, Windows, and Linux ), including provisioning, patching, and configuration management + Oversee user identity… more
    DirectEmployers Association (12/03/25)
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  • Infinity Systems Engineering (Alexandria, VA)
    …be more with us! Job Summary: We are seeking a skilled Systems Administrator /Network Engineer to join our mission-driven team. This position offers a broad scope ... and Cisco switches. + Perform systems administration on Windows and Linux platforms (updates, security, troubleshooting, management). + Maintain secure high… more
    DirectEmployers Association (12/03/25)
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  • Tyto Athene (Ashburn, VA)
    …with a strong emphasis on Amazon Web Services (AWS). + Serve as a senior Splunk Administrator or Architect, responsible for the configuration, maintenance, and ... **Qualifications** **Required:** + Minimum 5 years' experience as a senior Splunk Administrator or Architect. + Strong...in enterprise IT environments as an applications or systems administrator . + Practical knowledge of Windows and Linux more
    DirectEmployers Association (11/01/25)
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  • Applied Research Solutions (Augusta, GA)
    …are motivated through our industry competitive benefits package, our awards and recognition program, and personalized attention from ARS Senior Managers. ... to the user requirements + Assist with the preparation of user and administrator documentation + Adhere and support AGILE process-based development + Other duties as… more
    DirectEmployers Association (12/12/25)
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  • Linux Administrator , Senior

    Amentum (Hanover, MD)
    …continuously trying to stay ahead of the next challenge. **Responsibilities:** This Senior Linux administrator position will provide candidates with ... & Intel space? If so, look no further. Amentum is seeking a ** Linux Administrator , Senior ** to join our team of passionate individuals in **Hanover,… more
    Amentum (11/21/25)
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  • Senior Linux Administrator

    Insight Global (Clearwater, FL)
    Job Description A client of Insight Global is looking to hire on a Linux Administrator to their team. This position will have a case load, from a customer ... Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/ . Skills and Requirements Linux - red hat based distributions, manage the … more
    Insight Global (12/09/25)
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  • 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 ... operation, and maintenance of systems hardware and software related to a Linux /Windows infrastructure for classified programs. Duties include, but are not limited… more
    RTX Corporation (09/26/25)
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  • Senior Linux /Unix…

    S4 Inc. (Omaha, NE)
    …with Experience | Full Time | Comprehensive and competitive benefits Job Title: Senior Linux /Unix Administrator Work Location: USSTRATCOM Offutt AFB ... and Computer Systems Administrator Overview: S4 is seeking an experienced Senior Unix/ Linux OS Administrator to support the USSTRATCOM IT Enterprise at… more
    S4 Inc. (10/08/25)
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  • Senior Linux Systems…

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    **Overview** SENIOR LINUX ADMINISTRATOR (RDTE) Bowhead seeks a Senior Linux Administrator (NetServ) to join our team in Dahlgren, VA. The ... Senior Linux Administrator (NetServ) is responsible for system administration and customer support of servers and workstations in a Research, Development, and… more
    UIC Government Services and the Bowhead Family of Companies (11/21/25)
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  • Senior Linux Administrator

    General Dynamics Information Technology (Falls Church, VA)
    …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 patches, managing...as this position will require candidate to engage with senior military and government leadership. + Must be able… more
    General Dynamics Information Technology (10/25/25)
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  • Linux Systems Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    ** Linux Systems Administrator ** **Category:** Infrastructure/Cloud **Main location:** United States, Virginia, Arlington **Position ID:** J0925-2110 **Employment ... Full Time **Position Description:** CGI Federal has an exciting opportunity for a Linux Systems Administrator within our Intel sector advancing the national… more
    CGI Technologies and Solutions, Inc. (10/01/25)
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  • Sr . Linux System…

    Robert Half Technology (Raymond, OH)
    Description Summary We are seeking an experienced Sr . Linux System Administrator / Engineer to maintain and optimize the Linux environment supporting and ... operational efficiency. Requirements Required Qualifications + Proven experience as a Linux System Administrator . + Experience with Linux System Patching +… more
    Robert Half Technology (12/10/25)
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  • Senior Linux System…

    BAE Systems (San Diego, CA)
    …Other incentives may be available based on position level and/or job specifics. ** Senior Linux System Administrator ** **116453BR** EEO Career Site Equal ... career with BAE Systems. BAE Systems is seeking a Senior Closed Area Linux Systems Administrator...state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition more
    BAE Systems (09/18/25)
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  • Linux Systems Administrator

    L3Harris (Greenville, TX)
    …land, sea and cyber domains in the interest of national security. Job Title: Linux System Administrator Job Code: 29921 Job Location: Greenville, TX Schedule: ... 9/80 Job Description: L3Harris is seeking a Linux Systems Administrator to support Mission System...writing of work instructions and build manuals + Support senior staff on documenting operational processes, configurations, and diagrams… more
    L3Harris (12/10/25)
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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, and Training ... $106,000.00 - $197,000.00 Security Clearance: TS/SCI Level of Experience: Senior Meet HII's Mission Technologies Division Our team of...be leading a team of System Administrators that provide Linux System support to a team of engineers, Subject… more
    Huntington Ingalls Industries (10/03/25)
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  • Linux System Administrator

    Chenega Corporation (Albuquerque, NM)
    Linux System Administrator Albuquerque, NM Join our Talent Network Linux System Administrator Albuquerque, NM Are you ready to enhance your skills and ... shall administer Windows Network in an enterprise environment along with applicable Linux servers/devices. The Windows Network is 95% virtualized with VMware as the… more
    Chenega Corporation (10/08/25)
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