• Principal Linux Systems…

    Leidos (Aurora, CO)
    …with LINUX , Windows and Virtualization + **Security Clearance** : Must have an active Top Secret / SCI with Polygraph cssrc conmd Come break things (in a ... **Description** **Leidos** has a new and exciting opportunity for a **Principal Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber &… more
    Leidos (08/11/25)
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  • Senior Linux Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH seeks a motivated, mission-focused Senior Linux Systems Administrator to join our team in Chantilly, VA** This opportunity allows you to become part of ... drive impactful solutions in support of critical government missions. As a **Senior Linux Systems Administrator ,** you will help maintain and enhance the… more
    ManTech (08/30/25)
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  • Sr Principal HPC Linux Systems…

    Northrop Grumman (Redondo Beach, CA)
    … systems. **Preferred Qualifications:** + Bachelor's degree in Information Technology + Active Top Secret , TS / SCI , Polygraph, or SAP/SAR access would ... Northrop Grumman Classified Solutions team is seeking a senior ** Linux Systems Administrator ** to join its dynamic...have the ability to obtain, and maintain, a DOD ** Top Secret ** level security clearance as a… more
    Northrop Grumman (09/11/25)
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  • Mid-Level Linux System Administrator

    Belay Technologies (Laurel, MD)
    …2019, runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a Linux System Administrator to join our intel team. + We are seeking a Mid-Level ... Linux System Administrator to work on a...Tool Suite Candidates should have the following qualifications: + TS / SCI Clearance with polygraph + A bachelor's… more
    Belay Technologies (07/21/25)
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  • Principal Linux Systems…

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Principal Linux Systems Administrator in our **National Security Sector's (NSS) Cyber & ... in National Security!** **Job Summary:** Leidos is seeking a Principal Linux Systems Administrator with demonstrated experience supporting and optimizing… more
    Leidos (07/31/25)
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  • Linux Systems Administrator

    Parsons Corporation (Centreville, VA)
    …server and networking equipment rack installations **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required ... what's possible. **Job Description:** Parsons is seeking a mid-level Linux Systems Administrator . The candidate will support...a US Citizen + Candidate must have a current TS / SCI clearance with Poly + Bachelor's degree… more
    Parsons Corporation (07/19/25)
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  • Senior Linux Systems Administrator

    Leidos (Columbia, MD)
    LINUX , Windows, AWS and Virtualization + **Security Clearance** : Must have an active Top Secret / SCI with Polygraph cssrc conmd If you're looking for ... **Description** **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber &… more
    Leidos (09/26/25)
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  • Linux Systems Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Honolulu, HI)
    …ESXi + Knowledge of Linux firewalls, networking configuration, and DNS + Active TS / SCI clearance; willingness to take a polygraph exam + Bachelor's degree in ... Linux Systems Administrator The Opportunity: Your...need to meet eligibility requirements for access to classified information ; TS / SCI clearance is… more
    BOOZ, ALLEN & HAMILTON, INC. (09/30/25)
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  • Linux System Administrator

    Nightwing (Arlington, VA)
    …and vulnerabilities. **Required Skills:** - US Citizenship - Must have an active DoD Secret clearance, TS / SCI clearance is preferred. - Must be able ... is seeking a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and deployment of… more
    Nightwing (08/28/25)
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  • Linux System Administrator

    ManTech (Laurel, MD)
    …+ Experience with NetAPP **Clearance Requirements:** + Must have a current/active Top Secret / SCI with Polygraph **Physical Requirements:** + The ... **Mantech** seeks a motivated, career and customer-oriented ** Linux ** **System Administrator ** to join our team in **Laurel, MD.** You will be part of a… more
    ManTech (07/23/25)
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