• Sr Principal Linux Systems

    Northrop Grumman (Boulder, CO)
    …will include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description**...be a condition of continued employment + Must have Linux Operating Systems support experience + … more
    Northrop Grumman (01/07/26)
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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

    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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  • 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 (12/11/25)
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  • Systems Administrator / Linux

    Lockheed Martin (Littleton, CO)
    …location for this position is Littleton, CO\. The Multi\-Function Information Systems Analyst assists users with resolving technical issues with applications, ... connectivity and other IT related issues\. The Multi\-Function Information Systems Analyst will assist with Information Assurance, performing environmental… more
    Lockheed Martin (12/04/25)
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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 (01/02/26)
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  • Principal Linux Administrator (Top…

    RTX Corporation (Richardson, TX)
    …RTX **Enterprise Services** team: **Role Overview:** RTX is seeking a Principal Linux Administrator to support a highly virtualized Enterprise infrastructure ... for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret Job Description RTX Corporation is an Aerospace and...+ Perform software upgrades, patching, and system maintenance on Linux systems . + Troubleshoot issues and apply… more
    RTX Corporation (12/12/25)
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  • Secret Linux System…

    Insight Global (Colorado Springs, CO)
    …in the Colorado Springs, CO areas is looking for a qualified Linux System Administrator with a Top Secret clearance to join their team supporting a DoD ... program. The System Administrator will work to maintain multi-user computer systems...& IT infrastructure. Candidate will sustain operational Red Hat Linux systems and provide daily support for… more
    Insight Global (01/07/26)
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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 (12/18/25)
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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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