• Senior Systems Administrator 10k…

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **Intelligence Sector's (NSS) Cyber & Analytics Business ... make a difference in National** **Security!** As a Senior Systems Administrator you will play a vital...and Windows environments. + Implement, troubleshoot, and maintain IT systems . + Manage daily IT system configuration… more
    Leidos (11/15/25)
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  • Systems Administrator II

    DCCA (Annapolis Junction, MD)
    …competitive compensation and benefits package. Visit our website at: www.dcca.com Systems Administrator 2 Candidate must have an active TS /SCI w/ Poly For ... Systems Administrator II Location Annapolis Junction,...dedication to excellence. Key Tasks: Along with meeting the System Administrator II LCAT requirements, the ideal… more
    DCCA (11/17/25)
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  • Junior System Administrator

    Tyto Athene (Wright Patterson AFB, OH)
    **Description** Tyto Athene is searching for a detail-oriented and proactive mid level ** System Administrator ** to join our team. The ideal candidate will have ... **Responsibilities:** + Install, configure, and maintain hardware, software, and network systems . + Monitor system performance, troubleshoot issues, and apply… more
    Tyto Athene (01/03/26)
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  • Senior System Administrator

    Amentum (Springfield, VA)
    …& Intel space? If so, look no further. Amentum is seeking a **Senior System Administrator ** to join our team of passionate individuals in **Springfield, VA** ... systems including the transition and migration of corporate systems * Monitor and report on system ...(this role is not remote). **Clearance Required:** * Active TS /SCI with ability to obtain a poly **Minimum Education:**… more
    Amentum (11/20/25)
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  • Lead Senior Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, mission-oriented **Senior Systems Administrator ** to join our team in **Chantilly, VA.** As the Lead Senior Systems ... as leading, mentoring, and coordinating with a team of System Administrators. You will play a key role in...or high school diploma/GED and 13 years of relevant systems administration experience with 3 + years in a… more
    ManTech (12/19/25)
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  • System Administrator 2

    Orion Consortium (Fort Meade, MD)
    …support for implementation, troubleshooting and maintenance of Information Technology (IT) systems . Manages IT system infrastructure and any processes related ... *Position requires TS /SCI with a Full Scope polygraph.* Position Description:...resolution process. Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots,… more
    Orion Consortium (01/07/26)
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  • Systems Administrator 1

    DCCA (Annapolis Junction, MD)
    …competitive compensation and benefits package. Visit our website at: www.dcca.com Systems Administrator 1 Candidate must have an active TS /SCI w/ Poly For ... Systems Administrator 1 Location Annapolis Junction,...to excellence. Key Tasks: s Along with meeting the System Administrator I LCAT requirements, the ideal… more
    DCCA (11/17/25)
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  • Senior Information Systems Security…

    Amentum (Warrenton, VA)
    …program is to support, operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN- TS ES) which is a ... intimate knowledge of security design best practices for information systems . throughout the system development life cycle...at multiple classifications levels. **Requirements:** + Must have active Top - Secret clearance with SCI or TS more
    Amentum (01/09/26)
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  • Linux Systems Administrator

    SAIC (Grand Forks, ND)
    **Description** SAIC has an immediate need for a **BMC3 Systems Administrator Analyst** with Linux full stack development experience. We are looking for an ... Environment. + Apply DISA STIG compliance controls to secure systems . + Responsible for daily system monitoring,...working in a Linux environment. + Experience in a Systems Administrator role with Windows. + Experience… more
    SAIC (01/14/26)
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  • Senior ServiceNow Platform Administrator

    GovCIO (Washington, DC)
    …and frameworks. **Clearance Required:** US citizenship is required to acquire a Top Secret Clearance. Preferred Skills and Experience + ServiceNow Certified ... Support integrations between ServiceNow and other enterprise tools and systems . + Provide training and user support, including knowledge... System Administrator (CSA). **Company Overview** GovCIO is… more
    GovCIO (12/07/25)
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