• Fidelis Administrator - Active TS/SCI with CI Poly

    ENS Solutions (College Park, MD)
    …etc. Install, configure and manage operating system and application software as necessary. Support Linux & Windows systems engineering efforts in system design ... systems connected to networks across multiple classification domains. Provide support to developmental and operational systems including day-to-day operations,… more
    ENS Solutions (09/27/25)
    - Related Jobs
  • System Administrator- Linux

    Leidos (Annapolis Junction, MD)
    **Description** **System Administrator - Linux ** **Leidos** has a new and exciting opportunity for a **System Administrator - Linux ** in our **National Security ... Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support , Parental Paid Leave, and much more. **Join us and make a… more
    Leidos (11/19/25)
    - Related Jobs
  • 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 Type: ... * * **Exciting Opportunity: Join Our Team as a Linux System Administrator!** Are you passionate about Linux...Tool Deployment:** Install and maintain applications and tools to support our infrastructure. + **Customer Support :** Assist… more
    CACI International (10/18/25)
    - Related Jobs
  • Jr./Mid-Level Networking Systems Administrator…

    Belay Technologies (Annapolis Junction, MD)
    …are identified, tracked, and resolved in a timely manner. She/he will provide support for all infrastructure systems and will respond to hardware and software ... network systems. + Providing technical assistance to companion work groups in support of overlapping projects such as implementing IT enhancements and optimizing… more
    Belay Technologies (11/07/25)
    - Related Jobs
  • Senior Linux System Administrator

    GovCIO (Annapolis, MD)
    **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an Operations team. This position will ... you will work with other members to mitigate vulnerabilities on Linux -based systems, implement STIGs, address POAMs, and mitigate Zero-Day vulnerabilities. Other… more
    GovCIO (11/07/25)
    - Related Jobs
  • Linux Dev/Ops Systems Administrator 1 (SW…

    Synergy ECP (Annapolis Junction, MD)
    Linux Dev/Ops Systems Administrator 1 (SW support ) Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA) Description We are searching ... of contract opportunities from developing tip-of-the-spear capabilities to providing support for ongoing mission-critical operations. With high demand from our… more
    Synergy ECP (10/22/25)
    - Related Jobs
  • Linux Administrator, Senior

    Amentum (Hanover, MD)
    …Security, & Intel space? If so, look no further. Amentum is seeking a ** Linux Administrator, Senior** to join our team of passionate individuals in **Hanover, MD** . ... In this role you will support challenging, mission-critical projects that make a direct impact...stay ahead of the next challenge. **Responsibilities:** This Senior Linux administrator position will provide candidates with a chance… more
    Amentum (11/21/25)
    - Related Jobs
  • Senior Linux System Administrator

    Parsons Corporation (Aberdeen, MD)
    …**Job Description:** _Parsons is looking for an amazingly talented_ **_Senior Linux Systems Administrator_** _to join our team!_ **_What You'll Be Doing:_** ... **_What Required Skills You'll Bring:_** + _Extensive background in diverse Linux operating systems and high performance computing_ + _Extensive background in… more
    Parsons Corporation (11/15/25)
    - Related Jobs
  • Linux Systems Administrator

    CACI International (Fort Meade, MD)
    Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... by CACI, Inc! We have an opening for a ** Linux Systems Administrator** with an active TS/SCI w/Polygraph clearance....analytic skills, and are passionate about providing mission critical support to the nation's protection and want to drive… more
    CACI International (10/29/25)
    - Related Jobs
  • 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 dedicated ... include but are not limited to:** + Configure and manage Linux operating systems. Installs/loads operating system software, troubleshoots maintains integrity and… more
    ManTech (11/21/25)
    - Related Jobs