• COLSA Corporation (Huntsville, AL)
    Join our team as a Linux Systems Administrator , where you will support and manage a diverse mix of workstations, servers, and high-performance computing ... for a skilled professional with a solid foundation in Linux administration and a collaborative approach to problem-solving. +...to 12 years of related experience + Active DoD Top Secret Clearance with SCI eligibility + Must be… more
    DirectEmployers Association (10/02/25)
    - Save Job - Related Jobs - Block Source
  • Tyto Athene (Santa Barbara, CA)
    **Description** Tyto Athene is searching for a ** Systems Administrator /Information System Security Officer** to join our CA team. **Responsibilities:** + Provide ... delivery pipeline to achieve Authority to Operate (ATO) + Provide system administration of Linux systems . + Maintain an inventory of hardware and software for… more
    DirectEmployers Association (12/06/25)
    - Save Job - Related Jobs - Block Source
  • Argonne National Laboratory (Lemont, IL)
    Argonne has an opportunity to serve as the System Administrator of the classified National Security Systems (NSS) for the Security Programs Facility (SPF). ... Department of Energy (DOE). It's functionally equivalent to a ** Top Secret clearance** , allowing access to information classified...Veeam, or similar enterprise backup solutions. + Familiarity with Linux Server Operating Systems such as RHEL,… more
    DirectEmployers Association (11/22/25)
    - Save Job - Related Jobs - Block Source
  • Ace Hardware (Oak Brook, IL)
    …Summary** We are seeking a highly skilled **Cloudera Hadoop Administrator (DBA)** with hands-on experience managing and administering **Databricks environments** ... and restore operations and supporting development, test, and production systems . **Key Responsibilities** **Cloudera Hadoop Administration** + Manage and support… more
    DirectEmployers Association (10/09/25)
    - Save Job - Related Jobs - Block Source
  • COLSA Corporation (Huntsville, AL)
    …technical lead for a diverse infrastructure environment. The role spans Windows systems , Nutanix virtualization, Linux (RHEL), and enterprise storage. The ... professional experience. + Minimum of 8 years related experience + Active DoD Top Secret Clearance with SCI eligibility; US Citizenship required + Must be able… more
    DirectEmployers Association (09/21/25)
    - Save Job - Related Jobs - Block Source
  • LINUX Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …of related experience **US Citizenship Required:** Yes **Job Description:** ** Linux Systems Administrator ** **- Active Top Secret Required** Seize your ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret/SCI **Public Trust/Other Required:** None **Job Family:** IT...opportunity to make a personal impact as a ** Linux ** ** Systems Administrator ** with GDIT.… more
    General Dynamics Information Technology (12/05/25)
    - Save Job - Related Jobs - Block Source
  • Linux /Windows Systems

    Lockheed Martin (King Of Prussia, PA)
    …6 months of start\) * CompTIA Linux \+ or Red Hat Certified Systems Administrator Certification * Ability to provide in\-depth monitoring, able to identify ... our customers achieve their missions\. The Work: As a Systems Administrator on the ECIW team, you...Top Secret Clearance **Desired Skills:** * Windows and Linux OS patching/security hardening in a classified environment *… more
    Lockheed Martin (12/11/25)
    - Save Job - Related Jobs - Block Source
  • Linux System Administrator

    CACI International (Sarasota, FL)
    …* * * **The Opportunity:** CACI has an immediate opening for a Linux Systems Administrator , with a Top Secret Clearance (TS/SCI) with polygraph for our ... network and fielded systems . CACI is seeking a development Systems Administrator with Linux experience for our Sarasota (FL) location. In… more
    CACI International (10/04/25)
    - Save Job - Related Jobs - Block Source
  • Principal Linux Administrator

    RTX Corporation (Richardson, TX)
    …RTX **Enterprise Services** team: **Role Overview:** RTX is seeking a Principal Linux Administrator to support a highly virtualized Enterprise infrastructure ... , and software. + Perform software upgrades, patching, and system maintenance on Linux systems . + Troubleshoot issues and apply security policies specific to… more
    RTX Corporation (12/12/25)
    - Save Job - Related Jobs - Block Source
  • Senior Linux Systems

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    **Overview** SENIOR LINUX ADMINISTRATOR (RDTE) Bowhead seeks a Senior Linux Administrator (NetServ) to join our team in Dahlgren, VA. The Senior Linux ... systems and services is required: Red Hat Enterprise Linux (RHEL 8.x with RHEL 7.x and/or RHEL9.x a...Management system + Obtain the Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE) certification… more
    UIC Government Services and the Bowhead Family of Companies (11/21/25)
    - Save Job - Related Jobs - Block Source
  • 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 a recent… more
    Northrop Grumman (11/15/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    …The Alaka`ina Foundation Family of Companies (FOCs) is looking for a Senior Linux Systems Administrator Range Network. The position will support ... Senior Systems Administrator ( Linux ) Location...Senior Systems Administrator ( Linux ) Location HI - Kaua'i...AND CLEARANCE: + Must be a US Citizen + Top Secret security clearance is required with T5 or… more
    Alaka'ina Foundation Family of Companies (11/20/25)
    - Save Job - Related Jobs - Block Source
  • 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 Sun ... 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)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • Linux Systems Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    ** Linux Systems Administrator ** **Category:** Infrastructure/Cloud **Main location:** United States, Virginia, Arlington **Position ID:** J0925-2110 ... Description:** CGI Federal has an exciting opportunity for a Linux Systems Administrator within our...typically does not hire individuals at or near the top of the range for their role. Compensation decisions… more
    CGI Technologies and Solutions, Inc. (10/01/25)
    - Save Job - Related Jobs - Block Source
  • Systems Administrator (Unix/…

    EPS Corporation (Dahlgren, VA)
    Systems Administrator (Unix/ Linux ) - (759) Share this job as a link in your status update to LinkedIn. Job Title Systems Administrator (Unix/ Linux ... Technology Job Description EPS Corporation is seeking a highly skilledSenior Systems Administrator (Unix/ Linux )to support enterprise-level networks and… more
    EPS Corporation (11/13/25)
    - Save Job - Related Jobs - Block Source
  • Linux Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    **Overview** LINUX SYSTEMS ADMINISTRATOR (RDTE) Bowhead seeks a Linux Systems Administrator to join our team in Dahlgren, VA. The Linux ... and management of servers, end-user workstations, and potentially clustered systems operating in both unclassified and classified network environments. +… more
    UIC Government Services and the Bowhead Family of Companies (12/12/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    Amentum (Waimea, HI)
    …required + Linux + Linux + Red Hat Certified System Administrator (RHCSA) **Security Clearance** Top Secret security clearance is required with T5 ... Amentum is seeking a highly experienced Senior Linux System Administrator to oversee and...(DoD) environment. This role requires deep technical expertise in Linux systems , leadership in secure system administration,… more
    Amentum (09/24/25)
    - Save Job - Related Jobs - Block Source
  • Senior Linux /Unix Administrator

    S4 Inc. (Omaha, NE)
    …of the following certifications is preferred: ITIL 4 Foundations; Red Hat Certified Systems Administrator ; or Linux Professional Institute Certification ... Job Listing Number: NE25002 LCAT: Senior Network and Computer Systems Administrator Overview: S4 is seeking an...Linux Administrator ; or CompTIA Linux +; or Oracle Certified Professional Oracle Linux more
    S4 Inc. (10/08/25)
    - Save Job - Related Jobs - Block Source
  • 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, ... You Will Do + Maintain continuous operation of multi-user Linux computer systems to ensure team can...when needed by junior System Administrators + Setting up administrator and service accounts. + Installing system wide software… more
    Huntington Ingalls Industries (10/03/25)
    - Save Job - Related Jobs - Block Source