• 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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  • Sonalysts, Inc. (Waterford, CT)
    …to our national defense! Sonalysts, Inc. is seeking an experienced IT Systems Administrator with critical thinking and effective communication skills to ... secure, support, and maintain our corporate IT systems . Our IT team supports a wide variety of...information system administration and security functions on Windows and Linux (Powershell, Python,?etc) + Support our software development factory… more
    DirectEmployers Association (09/30/25)
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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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  • Sr Principal HPC Linux Systems

    Northrop Grumman (Redondo Beach, CA)
    …We Want You!** The Northrop Grumman Classified Solutions team is seeking a senior ** Linux Systems Administrator ** to join its dynamic team of technical ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At...an administrator for Red Hat or similar Linux systems within a DoD context +… more
    Northrop Grumman (09/11/25)
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  • 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 (10/09/25)
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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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  • HPC Linux Systems

    Northrop Grumman (Melbourne, FL)
    …We Want You!** The Northrop Grumman Classified Solutions team is seeking a senior ** Linux Systems Administrator ** to join its dynamic team of technical ... of employment + Experience with configuring, administering, and maintaining Red Hat or other Linux systems + Experience operating under, and managing systems more
    Northrop Grumman (09/10/25)
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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 (10/15/25)
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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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  • Linux /UNIX Systems

    General Dynamics Information Technology (Springfield, VA)
    …Yes **Job Description:** Deliver innovative, simple solutions to complex problems as a Linux /UNIX Systems Administrator at GDIT. Here, you'll tailor ... Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job...ours. At GDIT, people are our differentiator. As a Linux /UNIX Systems Administrator - Geospatial… more
    General Dynamics Information Technology (10/11/25)
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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 ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At...be limited to the following: + Perform as primary Linux Systems Administrator for a… more
    Northrop Grumman (10/15/25)
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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...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 (10/23/25)
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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 Linux Systems

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    **Overview** SENIOR LINUX SYSTEMS ADMINISTRATOR : Bowhead seeks a Senior Linux Systems Administrator to join our team in Dahlgren, VA. The Senior ... Linux Administrator is responsible for system administration...and management of servers, end-user workstations, and potentially clustered systems operating in both unclassified and classified network environments.… more
    UIC Government Services and the Bowhead Family of Companies (10/25/25)
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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

    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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  • 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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  • Principal/Sr. Principal Linux

    Northrop Grumman (Baltimore, MD)
    …best work of your career. Northrop Grumman Mission Systems is seeking a Linux Systems Administrator to join its Classified Solutions team in Linthicum, ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At...be limited to the following: + Perform as a Linux /Redhat Systems Administrator for a… more
    Northrop Grumman (10/28/25)
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