• Applied Research Associates, Inc. (Herndon, VA)
    …clusters + **Documentation** : Maintain thorough documentation of infrastructure, systems , and processes **Offer is contingent upon contract award.** **Senior ... + **Must be a US citizen with an active TS /SCI security clearance** + Bachelors degree in a related.../SCI with CI Poly security clearance + OpenShift Certified Administrator (OCA) or Kubernetes certification + Experience with hybrid… more
    DirectEmployers Association (09/11/25)
    - Save Job - Related Jobs - Block Source
  • System Administrator - Linux

    The Metamorphosis Group (Chantilly, VA)
    System Administrator - LINUX - TS /SCI FSP REQUIRED Chantilly, VA Apply Now JOB DESCRIPTIONThe Sponsor requires the support of full-time Linux ... and effectively communicate issues and resolutions to all levels within the organization. System Administrator - The Contractor shall support a second shift… more
    The Metamorphosis Group (09/10/25)
    - Save Job - Related Jobs - Block Source
  • System Administrator ( Linux

    Themis Insight (Laurel, MD)
    …Public and Private, Civilian and Military expertise to every case. We are hiring a System Administrator ( Linux ) to work in Laurel, MD. Position location is ... process. Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity… more
    Themis Insight (10/14/25)
    - Save Job - Related Jobs - Block Source
  • Senior Linux Administrator

    SAIC (Arlington, VA)
    …**Red Hat Senior Linux Administrator ** to operate and maintain the Linux operating systems within our environment. This position is based out of the ... of the organization's systems . + Participate in system upgrades, migrations, and new deployments of Linux...and repetitive tasks. **Qualifications** **REQUIRED QUALIFICATIONS:** + Active DOD Top Secret clearance. + US citizenship. +… more
    SAIC (10/08/25)
    - Save Job - Related Jobs - Block Source
  • LINUX Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …**US Citizenship Required:** Yes **Job Description:** ** Linux Systems Administrator ** **- Active Top Secret Required** Seize your opportunity ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job...to make a personal impact as a ** Linux ** ** Systems Administrator ** with GDIT.… more
    General Dynamics Information Technology (08/02/25)
    - Save Job - Related Jobs - Block Source
  • Linux Systems Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    ** Linux Systems Administrator ** **Category:** Business Consulting, Strategy and Digital Transformation **Main location:** United States, Virginia, Arlington ... Description:** CGI Federal has an exciting opportunity for a Linux Systems Administrator within our...System Installation and Configuration: Install, configure, and maintain Linux operating systems and applications on physical… more
    CGI Technologies and Solutions, Inc. (10/01/25)
    - Save Job - Related Jobs - Block Source
  • 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 ... Skills:** + US Citizenship + Must have an active Secret clearance and obtain a TS /SCI clearance...clearance + 3+ years of directly relevant experience in Linux System Administrator . + Proficiency… more
    Nightwing (10/08/25)
    - Save Job - Related Jobs - Block Source
  • 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 ... - US Citizenship - Must have an active DoD Secret clearance, TS /SCI clearance is preferred. -...- 5+ years of directly relevant experience as a Linux System Administrator . - 3+… more
    BCMC (10/16/25)
    - Save Job - Related Jobs - Block Source
  • Senior Linux Systems

    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 ... in support of critical government missions. As a **Senior Linux Systems Administrator ,** you will...replacing server hardware components where necessary + Managing operating system lifecycles and designing interfaces to external systems more
    ManTech (08/30/25)
    - Save Job - Related Jobs - Block Source
  • Mid-Level Linux System

    Belay Technologies (Laurel, MD)
    …to Work 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...system infrastructure, and any processes related to these systems and provide support to IT systems more
    Belay Technologies (10/20/25)
    - Save Job - Related Jobs - Block Source
  • Linux Systems Administrator

    CACI International (Reston, VA)
    Linux Systems Administrator Job Category:...guidance from more senior technical staff. **Required:** + Active Top Secret or TS /SCI clearance. + ... Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of...DoD system ? Join our team as a Systems Administrator ! You will get to use… more
    CACI International (10/18/25)
    - Save Job - Related Jobs - Block Source
  • Senior Linux Systems

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) 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 If… more
    Leidos (09/26/25)
    - Save Job - Related Jobs - Block Source
  • Principal Linux Systems

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Principal Linux Systems Administrator ** in our **National Security Sector's (NSS) 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 Come… more
    Leidos (10/10/25)
    - Save Job - Related Jobs - Block Source
  • Linux System Administrator

    Nightwing (Arlington, VA)
    …Nightwing is seeking a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and ... - US Citizenship - Must have an active DoD Secret clearance, TS /SCI clearance is preferred. -...- 5+ years of directly relevant experience as a Linux System Administrator . - 2+… more
    Nightwing (08/28/25)
    - Save Job - Related Jobs - Block Source
  • Senior Linux System

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Linux System Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD (Onsite) Position Overview: The ... Senior Linux System Administrator is responsible...standards. + Install, configure, and maintain software and operating systems . + Implement operating system enhancements for… more
    Black Bear Technology Solutions, LLC (08/23/25)
    - Save Job - Related Jobs - Block Source
  • Linux System Administrator

    ManTech (Laurel, MD)
    **Mantech** seeks a motivated, career and customer-oriented ** Linux ** ** System Administrator ** to join our team in **Laurel, MD.** You will be part of a ... but are not limited to:** + Configure and manage Linux operating systems . Installs/loads operating system...with NetAPP **Clearance Requirements:** + Must have a current/active Top Secret /SCI with Polygraph **Physical Requirements:** +… more
    ManTech (07/23/25)
    - Save Job - Related Jobs - Block Source
  • Field Engineer/ Linux Systems

    Huntington Ingalls Industries (Columbia, MD)
    …during the interview process. Job Description Enlighten is looking for a Field Engineer/ Linux Systems Administrator to support operational systems ... well. + At least 9 years of experience in Linux Systems Administration with Bachelors in related...systems and applications. + Experience leveraging a ticketing system for support requests (JIRA, ServiceNow, etc.) + Must… more
    Huntington Ingalls Industries (08/08/25)
    - Save Job - Related Jobs - Block Source
  • Linux Engineer ( TS /SCI…

    General Dynamics Information Technology (Mclean, VA)
    …experience in the following: ** System Administration** + Prior experience as a Unix/ Linux Systems Administrator of Linux , preferably RHEL/CentOS ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other...support (scans, automation, auditing, etc.) of Linux systems + Providing general Linux system more
    General Dynamics Information Technology (10/03/25)
    - Save Job - Related Jobs - Block Source
  • Linux System Engineer

    CACI International (Laurel, MD)
    …**Qualifications:** _Required:_ + 14+ years of experience as an Infrastructure Engineer and System Administrator in Linux environments. + Bachelor's degree ... Linux System Engineer Job Category: Information...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (09/05/25)
    - Save Job - Related Jobs - Block Source
  • TS /SCI DevSecOps Platform Engineer…

    Insight Global (Reston, VA)
    …certification - RHCE (Red Hat Certified Engineer) or RHCSA (Red Hat Certified System Administrator ) - Linux and Infrastructure Engineering certifications - ... policies across RKE2 environments - Implementing and maintaining STIG compliance across Linux systems and Kubernetes clusters - Ensuring adherence to DoD… more
    Insight Global (10/11/25)
    - Save Job - Related Jobs - Block Source