• 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 ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job...you. MEANINGFUL WORK AND PERSONAL IMPACT As a **Senior Linux Systems Administrator ** , the… more
    General Dynamics Information Technology (12/18/25)
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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 (12/18/25)
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  • Linux Systems Administrator

    CACI International (Linthicum, MD)
    Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee ... Our Team as a Linux System Administrator !** Are you passionate about Linux systems and eager to make a significant impact? We're looking for a skilled… more
    CACI International (10/18/25)
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  • Linux Systems Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    ** Linux Systems Administrator ** **Category:**...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...5 to 10 years of experience * Security Clearance: TS /SCI required with the ability to obtain a … more
    CGI Technologies and Solutions, Inc. (12/31/25)
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  • Linux Systems Administrator

    Parsons Corporation (Centreville, VA)
    …Unleash your talent and redefine what's possible. **Job Description:** Are you a skilled ** Linux Systems Administrator ** looking for an opportunity to work ... on mission-critical systems ? Parsons is seeking a mid-level Linux Systems Administrator to support both Linux -based workstations and servers in… more
    Parsons Corporation (12/20/25)
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  • Linux Systems Administrator

    Parsons Corporation (Centreville, VA)
    …Unleash your talent and redefine what's possible. **Job Description:** Are you a skilled ** Linux Systems Administrator ** looking to work on mission-critical ... in a dynamic environment? Parsons is seeking a mid-level Linux Systems Administrator to support...networking equipment rack installations. **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is… more
    Parsons Corporation (12/20/25)
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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, ... SAP/SAR Clearance. + Candidates must have had an active Top Secret clearance within the last 24...be maintaining Red Hat Enterprise Linux (RHEL) systems . + Prefer candidates with an active TS more
    Huntington Ingalls Industries (01/02/26)
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  • Linux Systems Administrator

    BCMC (Arlington, VA)
    …and business continuity of the customer mission. Responsibilities: - Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux ... large scale configuration management and deployment across Windows, MacOS, Linux /Unix, and other operating systems and virtual...- US Citizenship - Must have an active DoD Secret clearance, TS /SCI clearance is preferred. -… more
    BCMC (10/16/25)
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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 ... will require in person/on-site support. Please note an active Top Secret Clearance is required to be...this role. Roles/Responsibilities: + Installing, configuring and managing the Linux operating systems and related toolsets +… more
    JHNA (11/25/25)
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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 to support a Modeling, Simulation, and ... Linux (RHEL) systems , highly desired. + Candidates with an active TS /SCI clearance, highly desired. + Certifications: Linux + and Security+, desired. +… more
    Huntington Ingalls Industries (01/06/26)
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  • Principal Linux Systems

    Northrop Grumman (Linthicum Heights, MD)
    …best work of your career. Northrop Grumman Classified Solutions is seeking a well-qualified ** Linux Systems Administrator ** to join its dynamic team of ... be limited to the following: + Perform as primary Linux Systems Administrator for a...system environments + Candidates must have a current DOD ** Top ** ** Secret ** levelsecurity clearance, to include **SCI… more
    Northrop Grumman (11/19/25)
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  • Principal Linux Systems

    Northrop Grumman (Linthicum Heights, MD)
    …best work of your career. Northrop Grumman Classified Solutions is seeking a well-qualified Linux Systems Administrator to join its dynamic team of technical ... hardware, software, and system components. + Perform as a Linux systems administrator for a...IS related field. + An active or current DoD Top Secret security clearance. + Current Security+… more
    Northrop Grumman (01/06/26)
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  • MSIC - HPC Linux Systems

    COLSA Corporation (Huntsville, AL)
    Join our team as a Linux Systems Administrator , where...to 12 years of related experience + Active DoD Top Secret Clearance with SCI eligibility + ... We are looking for a skilled professional with a solid foundation in Linux administration and a collaborative approach to problem-solving. + Securely deploy and… more
    COLSA Corporation (12/31/25)
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  • Senior Linux Systems

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **Intelligence Sector,** **Cyber & ... difference in National** **Security!** Join our team as a ** Linux Systems Administrator ** , where...Virtualization + **Security Clearance** : Must have an active Top Secret /SCI with Polygraph cssrc conmd At… more
    Leidos (01/06/26)
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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 ... be a condition of continued employment + Must have Linux Operating Systems support experience + ...with Certification & Accreditation process and STIGs + Active Top Secret is preferred We offer flexible… more
    Northrop Grumman (01/07/26)
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  • Linux Systems Administrator

    Parsons Corporation (Centreville, VA)
    …Unleash your talent and redefine what's possible. **Job Description:** Parsons is seeking a Linux Systems Administrator . The candidate will support both ... server and networking equipment rack installations **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required for… more
    Parsons Corporation (01/08/26)
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  • Linux Systems Administrator

    Arena Technical Resources, LLC (St. Louis, MO)
    Linux Systems Administrator Location: St. Louis,...talented TS /SCI cleared Red Hat Data Center / Systems Administrator in St. Louis, MO to join ... computing engineers, high performance computing (HPC) specialists, network engineers and systems administrators. The environment is a state-of-the-art IT lab that… more
    Arena Technical Resources, LLC (01/05/26)
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  • Senior Linux Systems

    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 & ... how this program "Delivers Mission Success!" Seeking a motivated and experienced Linux System Administrator for a small, diverseteam that provides end-to-end… more
    Leidos (01/08/26)
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  • Linux / AWS Systems

    Northrop Grumman (Morrisville, NC)
    …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:** + Serve as a senior Linux Systems Administrator within an...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

    COMSO, Inc (Columbia, MD)
    Linux /Windows Systems Administrator II ( TS /SCI...Alaska. We are honored to be recognized as a Top Workplace for seven years running by the Baltimore ... with confidence and efficiency. Our staff brings knowledgeable IT systems expertise, software development proficiency, innovative learning solutions for workforce… more
    COMSO, Inc (11/27/25)
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