• System Administrator

    ManTech (Fort Meade, MD)
    ManTech seeks a ** System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will provide support for implementation, troubleshooting, and ... maintenance of IT systems , as well as manage IT system ...configuration, troubleshooting, and maintenance. **Security Clearance Requirements:** + Active TS /SCI with Polygraph is required to be considered for… more
    ManTech (07/15/25)
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  • Senior Linux System Administrator

    ManTech (Fort Meade, MD)
    Mantech seeks a motivated, career and customer-oriented **Senior Linux System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will ... support the implementation, troubleshooting, and maintenance of IT systems , as well as manage IT system infrastructure and associated processes.… more
    ManTech (07/26/25)
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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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  • Splunk Administrator

    Leidos (Arlington, VA)
    …relevant experience. Additional experience may be considered in lieu of degree. + Active Top Secret security clearance with SCI eligibility is required prior to ... team within Leidos' DISA IT is seeking a Splunk Administrator to join our team. With the CESO program,...our team. With the CESO program, the Defense Information System Agency (DISA) is looking to transform the existing… more
    Leidos (07/22/25)
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  • Systems Administrator

    SAIC (Washington, DC)
    …upon contract award, with an anticipated decision expected by fall 2025.** The System Administrator responsibilities include, but are not limited to: + Manage ... **Description** SAIC, a leading provider of systems engineering & integration, systems development...Access Control Management (ICAM) policy and communicate and coordinate system changes. **Qualifications** + Active TS /SCI with… more
    SAIC (08/07/25)
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  • Senior Systems Administrator

    Leidos (Vienna, VA)
    **Description** The National Security Sector at Leidos is seeking a **Senior System Administrator ** to join a dynamic team based in **Tysons Corner, VA** . This ... exciting opportunity allows you to apply your expertise in system administration and software programming while supporting a small...team responsible for managing a wide range of mission-critical systems . **Key Details** : + Work hours fall within… more
    Leidos (07/29/25)
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  • Network Administrator - NOC - 1st shift

    GCyber (Arlington, VA)
    …technical guidance to optimize performance. Minimum Qualifications and Experience: + Active DoD Top Secret /SCI clearance and be eligible to obtain and maintain a ... GCyber is seeking a Network Administrator , to support a high profile DISA customer...perform necessary maintenance, and ensure reliable access for all system users. + Identify and mitigate network risks while… more
    GCyber (06/18/25)
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  • Systems Administrator 2 (Bluemont,…

    William C Brown Inc (Springfield, VA)
    Systems Administrator 2 (Bluemont, VA) EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for ... by law. Description WCBinc is looking for a Sr. Systems Administrator to provide support for implementation,...both NetApp Data Ontap Cluster Mode and 7-mode operating system version 8.2 or later. Experience with Data Ontap… more
    William C Brown Inc (07/24/25)
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  • Systems Administrator

    Leidos (Reston, VA)
    …energetic, cleared professional seeking a rewarding and challenging opportunity as a Systems Administrator dedicated to full time support of a Leidos ... to change and will thrive in a fast-paced, dynamic program environment. The administrator will be expected to perform advanced systems support to include… more
    Leidos (08/08/25)
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  • Systems Administrator

    Leidos (Chantilly, VA)
    **Description** Leidos program has a dynamic opening for a System Administrator with multi-discipline experience to work at our customer site. This is an ... in a mixed environment of MacOS and Windows operating systems . + Create and administer Apple operating system...experience in lieu of degree + Must have a TS /SCI with poly to be considered. + Experience with… more
    Leidos (07/12/25)
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