• Senior Systems Administrator

    Leidos (Laurel, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Systems Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics ... learn more about how this program "Delivers Mission Success!" Seeking a motivated systems Administrator to provide support for mission operations support of… more
    Leidos (06/03/25)
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  • System Administrator Level 3

    Jovian Concepts, Inc. (Annapolis Junction, MD)
    Jovian Concepts, Inc is looking to hire a System Administrator Level 3 for a great opportunity in the Annapolis Junction area. This role requires a TS /SCI ... be accepted at this time. Candidate will be responsible for providing Sr. level Linux System Administration support for the program. Required: Very strong Linux … more
    Jovian Concepts, Inc. (06/26/25)
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  • System Administrator

    CACI International (Annapolis Junction, MD)
    …join our team and help maintain, troubleshoot, and optimize a wide variety of IT systems . We are seeking a System Administrator (Level 1) to support the ... System Administrator Job Category: Information Technology Time Type: Full...internal customers and management + Configure and manage UNIX, Linux , and Windows operating systems + Troubleshoot… more
    CACI International (05/02/25)
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  • System Administrator II

    General Dynamics Information Technology (Annapolis Junction, MD)
    …RQ200027 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... and remains involved in the resolution process + Configure and manage UNIX, Linux and Windows (or other applicable) operating systems and installs/loads… more
    General Dynamics Information Technology (05/22/25)
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  • System Administrator I

    General Dynamics Information Technology (Annapolis Junction, MD)
    …RQ200035 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... and remains involved in the resolution process. Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software,… more
    General Dynamics Information Technology (05/22/25)
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  • Principal System Administrator

    DCCA (Annapolis Junction, MD)
    …compensation and benefits package. Visit our website at: www.dcca.com Principal System Administrator Candidate must have an active TS /SCI w/Poly For over ... Principal System Administrator Location Annapolis Junction, MD Job Code 2270...excellence. Key Tasks: Candidate will be responsible for providing Linux System Administration support for the program. Along with… more
    DCCA (05/19/25)
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  • Lead Systems Administrator 3

    BigBear.ai (Columbia, MD)
    Overview BigBear.ai is hiring a Lead Systems Administrator 3 for an exciting upcoming Cyber Operations contract award to support contracts that provide ... years of experience Clearance: Must possess and maintain a TS /SCI with polygraph Perform systems engineering activities...15288Project and Technical Process Area Experience with Windows and Linux What we'd like you to have Must work… more
    BigBear.ai (06/30/25)
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  • 306 - Senior Systems Administrator

    ARSIEM (Laurel, MD)
    …impact on every client you work with. ARSIEM is looking for a Senior Systems Administrator to provide Systems Administration support for mission operations ... process improvement and suggest solutions. Minimum Qualifications + Windows Systems Administration + Linux Systems ...Date: 2025-06-05 Clearance Requirement: This position requires an active TS /SCI with a polygraph. You must be a US… more
    ARSIEM (06/06/25)
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  • Northrop Grumman (DoD SkillBridge) - Sr. Principal…

    Northrop Grumman (Linthicum Heights, MD)
    …part of our mission! We are looking for you to join our team as an HPC Systems Administrator based out of Annapolis Junction or Linthicum, MD. As an HPC ... Systems Administrator at Northrop Grumman you will...4 years additional experience in lieu of degree. + Linux systems administration proficiency + Basic knowledge… more
    Northrop Grumman (05/28/25)
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  • System Administrator

    CACI International (College Park, MD)
    System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular ... of Travel: Local * * * **The Opportunity:** CACI is seeking a System Administrator to join our team. **Responsibilities:** As a Mid-Level Linux Infrastructure… more
    CACI International (06/11/25)
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