• 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 & ... "Delivers Mission Success!" Seeking a motivated and experienced Linux System Administrator for a small, diverseteam that provides end-to-end software, systems more
    Leidos (10/09/25)
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  • Linux Systems Administrator

    Parsons Corporation (Centreville, VA)
    …redefine what's possible. **Job Description:** Parsons is seeking a mid-level Linux Systems Administrator . The candidate will support both Linux based ... server and networking equipment rack installations **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required for… more
    Parsons Corporation (10/18/25)
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  • HPC Linux Systems Administrator 3/4…

    Northrop Grumman (Melbourne, FL)
    systems **Preferred Qualifications:** + Bachelor's degree in Information Technology + Active Top Secret , TS /SCI, Polygraph, or SAP/SAR access would be ... Grumman Classified Solutions team is seeking a senior **Linux Systems Administrator ** to join its dynamic team...have the ability to obtain, and maintain, a DOD ** Top Secret ** level security clearance as a… more
    Northrop Grumman (09/10/25)
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  • Systems Administrator

    General Dynamics Information Technology (Springfield, VA)
    …RQ206899 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... SYSTEMS ADMINISTRATORS** WILL MAKE AN IMPACT As the Systems Administrator on this contract, you will...1+ years of experience. **Qualifications** + **Must have Active TS /SCI with Polygraph and must be willing able to… more
    General Dynamics Information Technology (09/06/25)
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  • Linux Systems Administrator 2/3…

    Northrop Grumman (Melbourne, FL)
    … **Preferred Qualifications** : + Bachelor's degree in Information Technology + Active Top Secret , TS /SCI, SAP/SAR access, or Polygraph is preferred ... The Northrop Grumman Classified Solutions team is seeking an experienced **Linux Systems Administrator ** to join its dynamic team of technical professionals.… more
    Northrop Grumman (10/07/25)
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  • Systems Administrator

    KBR (Honolulu County, HI)
    Title: Systems Administrator Belong. Connect. Grow. with... SECRET CLEARANCE with the ability to obtain TOP SECRET clearance. . Minimum 10 years ... Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense. .… more
    KBR (10/15/25)
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  • Sr Principal Linux Systems

    Northrop Grumman (Boulder, CO)
    …include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively at ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...with Certification & Accreditation process and STIGs + Active Top Secret is preferred We offer flexible… more
    Northrop Grumman (10/09/25)
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  • Senior Systems Administrator

    SAIC (Arlington, VA)
    …years of experience. **Clearance and certification requirements:** + Active Top Secret clearance; ability to obtain a TS /SCI required to maintain employment. ... **Description** SAIC is seeking a motivated, career and customer-oriented **Senior Systems Administrator ** to join our team in Arlington, VA, supporting the… more
    SAIC (09/26/25)
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  • Senior Systems Administrator

    SAIC (Fort Meade, MD)
    …can** **grow your career in a dynamic and supportive environment!** The Systems Administrator (SA) will provide support for implementation, troubleshooting, and ... **Description** SAIC, a leading provider of systems engineering & integration, systems development...enhancements to improve reliability and performance **Qualifications** + Active TS /SCI with Polygraph + Requires fifteen (15) years of… more
    SAIC (08/19/25)
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  • Geospatial Systems Administrator

    CACI International (Fort Bragg, NC)
    Geospatial Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular ... administration of multiple servers, databases, and storage solutions. **Qualifications:** **Required:** + Top Secret Clearance AND meet the requirements of DCID… more
    CACI International (10/28/25)
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