• 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...Technologies * Must currently have an active Top Secret Clearance **Desired Skills:** * Windows and Linux more
    Lockheed Martin (12/11/25)
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  • Linux System Administrator

    CACI International (Sarasota, FL)
    …Opportunity:** CACI has an immediate opening for a Linux Systems Administrator , with a Top Secret Clearance (TS/SCI) with polygraph for our corporate ... Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type:...fielded systems . CACI is seeking a development Systems Administrator with Linux experience… more
    CACI International (10/04/25)
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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 ... , and software. + Perform software upgrades, patching, and system maintenance on Linux systems . + Troubleshoot issues and apply security policies specific to… more
    RTX Corporation (12/12/25)
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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 ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Polygraph TRAVEL: Yes, 10% of the...limited to the following:** + Serve as a senior Linux Systems Administrator within an… more
    Northrop Grumman (11/15/25)
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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...Windows, RHEL, and comprehensive infrastructure concepts. REQUIRED CITIZENSHIP AND CLEARANCE : + Must be a US Citizen + Top… 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)
    **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...Management system + Obtain the Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE) certification… more
    UIC Government Services and the Bowhead Family of Companies (11/21/25)
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  • Linux Systems Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    ** Linux Systems Administrator ** **Category:**...and/or 2 to 5 years of experience * Security Clearance : TS/SCI required with the ability to obtain a ... Description:** CGI Federal has an exciting opportunity for a Linux Systems Administrator within our...and/or 5 to 10 years of experience * Security Clearance : TS/SCI required with the ability to obtain a… more
    CGI Technologies and Solutions, Inc. (10/01/25)
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  • LINUX Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** ** Linux Systems Administrator ** **- Active Top Secret Required** Seize ... **Req ID:** RQ211146 **Type of Requisition:** Regular ** Clearance Level Must Be Able to Obtain:** Top...your opportunity to make a personal impact as a ** Linux ** ** Systems Administrator ** with GDIT.… more
    General Dynamics Information Technology (12/05/25)
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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 ... 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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  • Linux Systems Administrator

    CACI International (Linthicum, MD)
    Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... System Administrator !** Are you passionate about Linux systems and eager to make a...providing top-notch support and solutions. **Qualifications:** _Required:_ + **Security Clearance :** An active NSA TS/SCI with Polygraph. + **Proven… more
    CACI International (10/18/25)
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