• 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...TS/SCI with full-scope polygraph security clearance + IAT Level II certification + Red Hat Linux systems more
    Northrop Grumman (05/28/25)
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  • Senior Linux Systems Administrator

    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 & ... Seeking qualified candidate for a small, diverseteam that provides end-to-end software, systems , and network engineering services to support Integrated Discovery… more
    Leidos (05/14/25)
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  • System Administrator 2

    Synergy ECP (Columbia, MD)
    …operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to ... System Administrator 2 Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046)...system security controls. + Provide support to IT systems including day-to-day operations, monitoring and problem resolution for… more
    Synergy ECP (06/03/25)
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  • Linux System Administrator

    ManTech (Laurel, MD)
    …+ Configure and manage Linux operating systems . Installs/loads operating system software, troubleshoots maintains integrity and configures network components ... **Mantech** seeks a motivated, career and customer-oriented **Linux** ** System Administrator ** to join our team in **Laurel, MD.** You will be part of a… more
    ManTech (07/23/25)
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  • Windows System Administrator

    Link Solutions Inc (Adelphi, MD)
    …for CMMI ML3 for Services and Development. Link Solutions is seeking a Windows System Administrator (Senior-Level) to join our team at Adelphi, MD. + Must ... DoD Top Secret Clearance + Non-remote (relocation incentive available) The Windows System Administrator (Senior-Level) will be responsible for the installation,… more
    Link Solutions Inc (08/01/25)
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  • System Administrator

    ManTech (Annapolis Junction, MD)
    **ManTech seeks a motivated, career and customer-oriented System Administrator II to join our team at our Annapolis Junction, MD location.** ... configuration, and reliable operation of critical computer systems , network servers, and virtualization environments, upholding system stability and… more
    ManTech (06/07/25)
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  • System Administrator - Active Secret…

    ENS Solutions (MD)
    This role is contingent upon Contract Award The System Administrator supports secure and resilient operations of PKI infrastructure and associated systems ... Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support,… more
    ENS Solutions (08/01/25)
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  • Principal Linux Systems

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Principal Linux Systems Administrator in our **National Security Sector's (NSS) Cyber & ... in National Security!** **Job Summary:** Leidos is seeking a Principal Linux Systems Administrator with demonstrated experience supporting and optimizing hybrid… more
    Leidos (07/31/25)
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  • Systems Administrator (IT Program…

    Nightwing (Annapolis Junction, MD)
    system hardening, vulnerability assessment, OS patching and general network administration across various computing systems . Coordinating IT operations ... defense, civil, and commercial markets. Nightwing is seeking an experienced Linux Systems Administrator with a proven ability supporting classified program… more
    Nightwing (06/24/25)
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  • IT Systems Administrator Emergency…

    Lockheed Martin (Hanover, MD)
    …is required * 2\+ years experience within the defense industry as a Systems Administrator * Bachelors or Masters degree from accredited college \(equivalent ... Polygraph adjudicated within the last 7 years * IAT II certification \(CCNA\-Security or CySA\+ or GICSP or GSEC...as but not exclusive to examples like NiFi\) * Systems infrastructure knowledge of routers, firewalls, v\-lans, servers, etc\.… more
    Lockheed Martin (07/31/25)
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