• Linux Systems Administrator

    Huntington Ingalls Industries (Nellis AFB, NV)
    …Preferred experience would be maintaining Red Hat Enterprise Linux (RHEL) systems . + Prefer candidates with an active TS /SCI clearance Physical Requirements ... Mission Technologies, a Division of HII, is seeking a Linux Systems Administrator Lead to support a...SAP/SAR Clearance. + Candidates must have had an active Top Secret clearance within the last 24… more
    Huntington Ingalls Industries (10/03/25)
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  • Linux Systems Engineer

    William C Brown Inc (Springfield, VA)
    TS / SCI Clearance and eligibility to obtain a Poly. REQUIRED SKILLS: Linux systems administration DESIRED SKILLS: A deep expertise in one of ... any other characteristic protected by law. Description Our work depends on a TS /SCI cleared Linux Systems Engineer joining our team to support our customer… more
    William C Brown Inc (09/25/25)
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  • Linux Systems Administrator

    Huntington Ingalls Industries (Nellis AFB, NV)
    Linux (RHEL) systems , highly desired. + Candidates with an active TS /SCI clearance, highly desired. + Certifications: Linux + and Security+, desired. + ... Type: Full Time/Salaried/Exempt Anticipated Salary Range: $100,000.00 - $140,000.00 Security Clearance: Top Secret Level of Experience: Mid Meet HII's Mission… more
    Huntington Ingalls Industries (10/08/25)
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  • Linux Systems Administrator

    CACI International (Fort Meade, MD)
    …being assembled by CACI, Inc! We have an opening for a ** Linux Systems Administrator** with an active TS /SCI w/Polygraph clearance. If you thrive in a ... Linux Systems Administrator Job Category: Information...**Requirements:** * TS /SCI with polygraph * Heavy Linux administration experience. * Experience using Ansible… more
    CACI International (10/29/25)
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  • 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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