• Raytheon (Richardson, TX)
    …or Immigration Status Requirements: Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is required, as ... only US citizens are eligible for a security clearance ​Security Clearance : TS/SCI without PolygraphAt Raytheon, the foundation of everything we do is rooted in… more
    Talent (10/03/25)
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  • SimVentions, Inc - Glassdoor 4.6 (Compton, MD)
    …compliance with Naval Air Systems Command (NAVAIR) and Defense Information Systems Agency (DISA) policies for Linux and Windows-based operating systems ... SimVentions is seeking a System Administrator to maintain servers for...developing and conducting design reviewsInstalling, configuring and managing the Linux operating systems and related toolsetsInstalling and… more
    Talent (09/21/25)
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  • IT Linux Systems

    SpaceX (Hawthorne, CA)
    IT Linux Systems Administrator - Top Secret Clearance Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out ... with the ultimate goal of enabling human life on Mars. IT LINUX SYSTEMS ADMINISTRATOR - TOP SECRET CLEARANCE SpaceX is looking for an experienced … more
    SpaceX (08/08/25)
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  • Linux Systems Administrator

    Lockheed Martin (Sunnyvale, CA)
    …us for challenging missions that will inspire innovation\! Lockheed Martin Space seeks a Linux Systems Administrator for its Sunnyvale, CA location to join ... signal distribution system\. The operational system utilizes a variety of systems , including bare\-metal servers, VMs, On\-prem Kubernetes hosting services, and… more
    Lockheed Martin (10/08/25)
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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...Technologies * Must currently have an active Top Secret Clearance **Desired Skills:** * Windows and Linux more
    Lockheed Martin (09/18/25)
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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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  • 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 ... are driven and resourceful like you. **MEANINGFUL WORK AND PERSONAL IMPACT:** As a **Senior Linux Systems Administrator ** , the work you'll do at GDIT will… more
    General Dynamics Information Technology (09/26/25)
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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 (09/19/25)
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  • Senior Linux Systems

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    **Overview** SENIOR LINUX ADMINISTRATOR (NETSERV) Bowhead seeks a Senior Linux Administrator (NetServ) to join our team in Dahlgren, VA. The Senior ... Linux Administrator (NetServ) is responsible for system administration...systems and services is required: Red Hat Enterprise Linux (RHEL 8.x with RHEL 7.x and/or RHEL9.x a… more
    UIC Government Services and the Bowhead Family of Companies (09/17/25)
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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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  • 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

    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:** RQ204512 **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 (08/02/25)
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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 ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the...be limited to the following: + Perform as primary Linux Systems Administrator for a… more
    Northrop Grumman (08/01/25)
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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

    CACI International (Hampton, VA)
    Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... Opportunity:** We are seeking a cleared, skilled and experienced Red Hat Enterprise Linux Administrator with expertise in Puppet configuration management to join… more
    CACI International (09/26/25)
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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 ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the...the following: + Maintain the virtual desktop infrastructure and Linux systems supporting Government programs in accordance… more
    Northrop Grumman (10/07/25)
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  • Linux Systems Administrator

    Epsilon, Inc (Watertown, SD)
    ** Linux Systems Administrator II** **Epsilon is now part of AMERICAN SYSTEMS !** We are pleased to announce Epsilon, Inc. has joined AMERICAN SYSTEMS . ... Solution Architecture, and Project Management. **An average day:** As Linux Systems Administrator II, you...to obtain and maintain the appropriate level of Security Clearance or Public Trust. Adjudication of the required Security… more
    Epsilon, Inc (10/09/25)
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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, ... You Will Do + Maintain continuous operation of multi-user Linux computer systems to ensure team can...systems . + Prefer candidates with an active TS/SCI clearance Physical Requirements Job performance requires adequate visual acuity… more
    Huntington Ingalls Industries (10/03/25)
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  • Northrop Grumman (DoD SkillBridge) - Linux

    Northrop Grumman (Linthicum Heights, MD)
    …**Job Description:** Northrop Grumman's Classified Solutions Team is seeking a well-qualified Linux Systems Administrator to join our dynamic team ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: No **Description** At Northrop...be limited to the following: + Perform as a Linux Systems Administrator for a… more
    Northrop Grumman (08/01/25)
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  • Linux Systems Administrator

    Nightwing (Sterling, VA)
    …intelligence community, defense, civil, and commercial markets. Nightwing is seeking a qualified Linux Systems Administrator to work with a close-nit team ... Develop and maintain backup and disaster recovery plans for Linux systems . + Patch Management: Manage the... + 3+ years of directly relevant experience in Linux System Administrator . + Proficiency in managing… more
    Nightwing (10/08/25)
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