• 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 ... for a skilled professional with a solid foundation in Linux administration and a collaborative approach to problem-solving. +...12 years of related experience + Active DoD Top Secret Clearance with SCI eligibility + Must be able… more
    DirectEmployers Association (10/02/25)
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  • COLSA Corporation (Huntsville, AL)
    …technical lead for a diverse infrastructure environment. The role spans Windows systems , Nutanix virtualization, Linux (RHEL), and enterprise storage. The ... professional experience. + Minimum of 8 years related experience + Active DoD Top Secret Clearance with SCI eligibility; US Citizenship required + Must be able to… more
    DirectEmployers Association (09/21/25)
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  • LINUX Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …of related experience **US Citizenship Required:** Yes **Job Description:** ** Linux Systems Administrator ** **- Active Top Secret Required** Seize your ... Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT Infrastructure...opportunity to make a personal impact as a ** Linux ** ** Systems Administrator ** with GDIT.… more
    General Dynamics Information Technology (11/01/25)
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  • Linux Systems Administrator

    Insight Global (Huntsville, AL)
    Job Description An employer is looking for a Secret Cleared Linux Systems Administrator in the Huntsville, AL area. This resource will work closely with ... the software factory and DevSecOps team to ensure various linux platforms are developed and operational. We are a company committed to creating diverse and inclusive… more
    Insight Global (11/04/25)
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  • Linux Systems Administrator

    Lockheed Martin (Huntsville, AL)
    …Security\+, CASP, CISSP\), within 6 months of starting the position * Experience with Linux /UNIX Server and Desktop Operating Systems \(i\.e\. RH 7\.x, RH 8\.x, ... configuring, securing, hardening, remediating, testing, upgrading and decommissioning of Linux Workstations, servers, network switches, virtual servers, physical servers,… more
    Lockheed Martin (11/20/25)
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  • Linux Systems Administrator

    Northrop Grumman (Melbourne, FL)
    …We Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** Linux Systems Administrator ** to join its dynamic team of technical ... limited to the following: + Maintain the virtual desktop infrastructure and Linux systems supporting Government programs in accordance with established… more
    Northrop Grumman (10/07/25)
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  • Linux /Windows Systems

    Northrop Grumman (Palmdale, CA)
    …will include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate ... You!** The Northrop Grumman Classified Solutions team is seeking a novice cross-platform ** Linux /Windows Systems Administrator ** to join its dynamic team of… more
    Northrop Grumman (11/15/25)
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  • Linux Systems Administrator

    Lockheed Martin (Sunnyvale, CA)
    …more than 570 facilities that span more than 70 countries\. We are hiring a Linux System Administrator , Sr to support daily IT operations in our Sunnyvale, CA ... Business & Digital Transformation \(EBDT\) organization\. **Basic Qualifications:** * Active Secret clearance * Knowledge of Linux /UNIX Server Administration *… more
    Lockheed Martin (11/20/25)
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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...Virtualization Technologies * Must currently have an active Top Secret Clearance **Desired Skills:** * Windows and Linux more
    Lockheed Martin (11/14/25)
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  • Linux System Administrator

    CACI International (Sarasota, FL)
    …* * * **The Opportunity:** CACI has an immediate opening for a Linux Systems Administrator , with a Top Secret Clearance (TS/SCI) with polygraph for our ... network and fielded systems . CACI is seeking a development Systems Administrator with Linux experience for our Sarasota (FL) location. In… more
    CACI International (10/04/25)
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  • Secret Linux System…

    Insight Global (Baltimore, MD)
    Job Description A client of Insight Global is looking for a Secret Cleared Linux System Administrator to join their team. As a Windows Systems ... you will ensure the smooth operation of multi-user computer systems by coordinating with network, software, and system engineers,...Bachelor's degree and 5 years of relevant experience * Secret level security clearance (at a minimum) * Active… more
    Insight Global (11/06/25)
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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 ... systems and services is required: Red Hat Enterprise Linux (RHEL 8.x with RHEL 7.x and/or RHEL9.x a...obtain and maintain a security clearance at the Top Secret level. US Citizenship is a requirement for this… more
    UIC Government Services and the Bowhead Family of Companies (11/06/25)
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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...CLEARANCE: + Must be a US Citizen + Top Secret security clearance is required with T5 or equivalent… more
    Alaka'ina Foundation Family of Companies (11/20/25)
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  • Linux / AWS Systems

    Northrop Grumman (Morrisville, NC)
    …We Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** Linux Systems Administrator ** to join its dynamic team of technical ... limited to the following:** + Serve as a senior Linux Systems Administrator within an...environments. + Candidates must have a current DoD **Top Secret /SCI** level security clearance to include a recent **Polygraph**… more
    Northrop Grumman (11/15/25)
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  • Senior Linux Systems

    General Dynamics Information Technology (Macdill AFB, FL)
    …how our customers operate while you advance your career. Join GDIT as a **Senior Linux Systems Administrator ** and build an impactful career in enterprise ... Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT Infrastructure...you. **MEANINGFUL WORK AND PERSONAL IMPACT:** As a **Senior Linux Systems Administrator ** , the… more
    General Dynamics Information Technology (09/26/25)
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  • Senior Systems Administrator

    Amentum (Waimea, HI)
    …required + Linux + Linux + Red Hat Certified System Administrator (RHCSA) **Security Clearance** Top Secret security clearance is required with T5 ... Amentum is seeking a highly experienced Senior Linux System Administrator to oversee and...(DoD) environment. This role requires deep technical expertise in Linux systems , leadership in secure system administration,… more
    Amentum (09/24/25)
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  • Senior Systems Administrator (Unix/…

    EPS Corporation (Dahlgren, VA)
    Senior Systems Administrator (Unix/ Linux ) - (758) Share this job as a link in your status update to LinkedIn. Job Title Senior Systems Administrator ... Technology Job Description EPS Corporation is seeking a highly skilledSenior Systems Administrator (Unix/ Linux )to support enterprise-level networks and… more
    EPS Corporation (11/13/25)
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  • Senior Linux /Unix Systems

    SMX (Dahlgren, VA)
    Senior Linux /Unix Systems Administrator (4419)at SMX(View all jobs) (https://www.smxtech.com/careers/) Dahlgren, VA SMX is looking for a highly motivated ... Center Dahlgren Division (NSWCDD) in Dahlgren, VA. The Senior Systems Administrator will work as part of...Top Secret + 6+ years' experience administering Linux /Unix systems and networks + Experience with… more
    SMX (10/18/25)
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  • Linux Systems Administrator

    JHNA (Patuxent River, MD)
    Patuxent River, MD, USA | Full Time Linux Systems Administrator JHNA is currently seeking a talented Linux Systems Administrator to support our ... Pax River. Roles/Responsibilities: + Installing, configuring and managing the Linux operating systems and related toolsets +...tools Qualifications Required: + Candidate must have a current Secret Clearance. Must have ability to obtain a Top… more
    JHNA (08/26/25)
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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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