• CNO System Administrator

    ManTech (Hanover, MD)
    MANTECH seeks a motivated, career and customer-oriented ** CNO System Administrator ** to join our team in the **Hanover, Maryland.** **Responsibilities ... analysis. + Provide support for implementation, troubleshooting, and maintenance of IT systems . + Provide Tier 1 problem identification, diagnosis, and resolution of… more
    ManTech (09/03/25)
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  • Software, CNO , Systems…

    Belay Technologies (Annapolis Junction, MD)
    …Python, C++), software development lifecycle, debugging, testing. Experience Level: Junior to Senior System Administrator (Levels 1 to 3) Overview: The System ... is responsible for managing, configuring, and supporting an organization's IT systems . You will perform routine system maintenance, handle technical… more
    Belay Technologies (08/14/25)
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  • CNO Developer/Engineer

    Shuvel Digital (MD)
    …candidate may work independently or participate in project-wide reviews of requirements, system architecture, and detailed design documents. A CNO Developer/ ... Level: Bachelors Position Description: GITI is looking for a senior-level CNO Developer/ Engineer Capable of developing cyber capabilities and exploitation tools… more
    Shuvel Digital (09/04/25)
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  • Mid/Sr System Administrator

    Leidos (Annapolis Junction, MD)
    **Description** **Mid/Sr System Administrator ** **Leidos** has a new and exciting opportunity for a ** System Administrator ** in our **National Security ... for a large complex network environment with geographically distributed systems . The position entails supporting solutions for system...for a degree. + Must have ​experience as a systems administrator providing direct support to end… more
    Leidos (09/27/25)
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  • Senior Linux Systems Administrator…

    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 & ... in National** **Security!** Join our team as a **Linux Systems Administrator ** , where you'll provide crucial...Ten or more (10) years of experience as a System Administrator (SA) supporting programs and contracts… more
    Leidos (09/26/25)
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  • Systems Network Administrator…

    Leidos (Laurel, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Systems /Network Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics ... us and make a difference in National Security!** **Job Summary:** Systems /Network administrator will provide support for implementation, troubleshooting and… more
    Leidos (09/20/25)
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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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  • Information System Security Officer

    Leidos (Columbia, MD)
    …quickly within dynamic regulatory environments. + Prior experience as an ISSM, ISSO, System Administrator , or CSSO supporting DoD and DCSA security requirements. ... **Description** **Leidos** has a new and exciting opportunity for an Information Systems Security Officer (ISSO) in our **National Security Sector's (NSS) Cyber &… more
    Leidos (10/03/25)
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  • DevOps Engineer (SME)

    Leidos (Bethesda, MD)
    …is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and ... National** **Security!** **Job Summary** This DevOps Engineer role provides mission critical system support to our customer. You will closely work with the… more
    Leidos (08/08/25)
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