• Field Engineer/ Linux Systems

    Huntington Ingalls Industries (Columbia, MD)
    TS + level clearance as well. + At least 9 years of experience in Linux Systems Administration with Bachelors in related field; 7 years relevant ... Enlighten, honored as a Top Workplace from USA Today, is a leader...process. Job Description Enlighten is looking for a Field Engineer/ Linux Systems Administrator to support operational … more
    Huntington Ingalls Industries (11/06/25)
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  • Linux Systems Administrator

    CACI International (Reston, VA)
    …independently with minimal guidance from more senior technical staff. **Required:** + Active Top Secret or TS /SCI clearance. + **CASP+** certification ... Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of...support of large applications/ systems . + Windows and Linux server system administration experience. + Ability… more
    CACI International (10/18/25)
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  • Senior Linux Systems Administrator…

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator** in our **National Security Sector's (NSS) Cyber & ... : Bachelor's degree plus eleven (11) to fifteen (15) years of relevant systems administration experience or equivalent. + **Security Clearance** : Candidates… more
    Leidos (10/09/25)
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  • Principal Linux Systems

    RTX Corporation (El Segundo, CA)
    …only US citizens are eligible for a security clearance. + Must have experience with Linux systems administration + Experience with one of the following: ... citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with CI Poly - Current At Raytheon, the...You Will Do:** + Provide IT systems administration in a heterogeneous Redhat Enterprise Linux more
    RTX Corporation (09/09/25)
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  • Systems Administrator III, Cyber Range…

    Adapt Forward (North Charleston, SC)
    administration in Test & Evaluation environment * Strong familiarity with Linux systems from a system administrator viewpoint, including related systems ... Cyber Range Operations Lead/Staff North Charleston, SC TS Clearance Required to Start Position Requirements and...to increase the cyber resiliency of our nation's weapon systems . We're seeking a Range Operations Staffer with flexible… more
    Adapt Forward (10/08/25)
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  • Linux / AWS Systems Administrator…

    Northrop Grumman (Morrisville, NC)
    …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 AWS cloud...system environments. + Candidates must have a current DoD ** Top Secret /SCI** level security clearance to include… more
    Northrop Grumman (11/15/25)
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  • Linux /Windows Systems Administrator…

    Northrop Grumman (Palmdale, CA)
    …environments **Preferred Qualifications** : + Bachelor's degree in Information Technology + Active Top Secret , TS /SCI, SAP/SAR access, or Polygraph is ... be limited to the following: + Perform as primary Linux Systems Administrator for a classified government...have the ability to obtain and maintain a DOD ** Top ** ** Secret ** level security clearance as a… more
    Northrop Grumman (11/15/25)
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  • Windows Linux Systems Administrator…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …of education and experience (including military service). + **3+ years** of relevant systems administration experience. + **Active TS /SCI clearance with ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other...**Windows and Red Hat Enterprise Linux (RHEL) systems .** **Key Responsibilities:** + Perform administrative support… more
    General Dynamics Information Technology (10/14/25)
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  • Senior Linux /Unix Systems

    SMX (Dahlgren, VA)
    …Required: Secret + Must be able to obtain and maintain Top Secret + 6+ years' experience administering Linux /Unix systems and networks + Experience ... in Dahlgren, VA.** Essential Duties & Responsibilities include thedaily administration of Linux /Unix systems and...Secret clearance with ability to obtain and maintain Top Secret clearance + Networking protocols +… more
    SMX (10/18/25)
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  • Linux Desktop Support/ Systems

    BAE Systems (Annapolis Junction, MD)
    …to empower those who serve our nation. We are seeking to hire a ** Linux Desktop Support/ Systems Admin ** to supportfoundational aspects of the enterprise's ... Other incentives may be available based on position level and/or job specifics. ** Linux Desktop Support/ Systems Admin ** **118604BR** EEO Career Site Equal… more
    BAE Systems (11/20/25)
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