• Senior Systems Administrator

    ManTech (Washington, DC)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior Systems Administrator ** to join our team in **Washington** **, DC** . **Responsibilities ... of five (5) years of related experience in computer hardware, software, networking systems , and in the set-up, configuration, use, and troubleshooting of computer … more
    ManTech (12/31/25)
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  • Cloud Systems Administrator

    CACI International (Laurel, MD)
    Cloud Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee ... tasks. + **Certificate Management:** Oversee the full certificate lifecycle, ensuring systems adhere to security and compliance standards. + **System Updates:**… more
    CACI International (10/16/25)
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  • MSIC - HPC Linux Systems…

    COLSA Corporation (Huntsville, AL)
    Join our team as a Linux Systems Administrator , where you will support and manage a diverse mix of workstations, servers, and high-performance computing (HPC) ... to 12 years of related experience + Active DoD Top Secret Clearance with SCI eligibility +...+ Virtualization experience with VMWare or Nutanix. + Active TS //SCI clearance with a current CI Scope Polygraph. Applicant… more
    COLSA Corporation (12/31/25)
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  • Systems & Network Administrator

    Leidos (Riverside, CA)
    **Description** ** Position Overview** Leidos is seeking a **Network & Computer Systems Administrator ** to join our team at March Air Reserve Base, CA. In this ... managers and client leadership on progress. ** Primary Responsibilities** As a Systems Administrator , you will: + Manage and maintain enterprise-level… more
    Leidos (12/24/25)
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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:** The Systems Network Administrator provides support for implementation, troubleshooting and… more
    Leidos (11/18/25)
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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 (12/20/25)
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  • Systems & Database Administrator

    CACI International (Suitland, MD)
    Systems & Database Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular ... Join Our Team as a Full Stack Engineer / Systems & Database Administrator ! Are you a...a multi-disciplinary team environment. **Qualifications:** _Required:_ + An active TS /SCI clearance. + 7-10 years of experience in engineering… more
    CACI International (12/17/25)
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  • Systems Security Administrator

    OCT Consulting, LLC (Washington, DC)
    Systems Security Administrator (15.23) OCT Consulting is a...be a US Citizen. + Must hold an active DoD Top Secret ( TS ) clearance. + Undergraduate ... and Duties OCT currently has an opening for a Systems Security Administrator to work with a...Access Controls (RBAC) for the Unified Financial Management System Secret Cloud (UFMS-SC), including Writing, Itemizing and Recording Expenses… more
    OCT Consulting, LLC (12/13/25)
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  • Sccm/Mecm Systems Administrator

    Leidos (Alexandria, VA)
    …operations across multiple enclaves, classifications, and time zones. The System Administrator provides systems and software Operations and Maintenance (O&M) ... **Description** Leidos is seeking an SCCM/MECM System Administrator to support a large enterprise IT contract...actions, document change requirements, and implement changes to production systems . + Oversee knowledge management for the team to… more
    Leidos (12/08/25)
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  • Systems and Database Administrator

    CACI International (College Park, MD)
    Systems and Database Administrator Job Category:...an additional six (6) years of experience. + Possess Top Secret clearance and possess or be ... Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of… more
    CACI International (10/15/25)
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