• Systems Administrator SME

    Amentum (Chantilly, VA)
    Amentum is seeking a ** Systems Administrator SME** to support our **FEDSIM United States Army National Guard (G2 IS3)** contract. **Responsibilities:** + Manages ... and real-time responsiveness to ARNG G-2 mission priorities. **Required:** + CompTIA Security + or Certified Information Systems Security Professional (CISSP)… more
    Amentum (09/23/25)
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  • Systems Administrator

    Chenega Corporation (Arlington, VA)
    **Req ID:** 37805 **Summary** ** Systems Administrator ** **Arlington, VA** Are you ready to enhance your skills and build your career in a rapidly evolving ... interest of our nation. SecuriGence is seeking a talented ** Systems Administrator ** to help contribute to our...best practices. + Apply system and operating system patches to maintain security and ensure… more
    Chenega Corporation (09/26/25)
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  • System Administrator

    CGI Technologies and Solutions, Inc. (Newport News, VA)
    ** System Administrator ** **Category:** Infrastructure/Cloud **Main location:** United States, Virginia, Newport News **Position ID:** J0325-0671 **Employment ... and reliability Perform system upgrades and patch management to enhance system security Troubleshoot and resolve hardware, software, and network issues… more
    CGI Technologies and Solutions, Inc. (08/13/25)
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  • System Administrator - Active Secret…

    ENS Solutions (Norfolk, VA)
    This role is contingent upon Contract Award The System Administrator supports secure and resilient operations of PKI infrastructure and associated systems ... Credential and Access Management (ICAM), Software Development, Cyber and Network Security , System Engineering, Program/Project Management, IT support, Solutions,… more
    ENS Solutions (09/27/25)
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  • Tier 2 Systems Administrator

    CACI International (Springfield, VA)
    Tier 2 Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... We are seeking a skilled and motivated Tier 2 System Administrator to join our growing IT...be responsible for maintaining and troubleshooting mission critical IT systems , supporting end users, and ensuring the security… more
    CACI International (09/20/25)
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  • Systems and Database Administrator

    CACI International (VA)
    Systems and Database Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... Oracle database administration for 64-bit databases on a Windows Operating System , to include installation, configuration, security protocols and patching,… more
    CACI International (07/16/25)
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  • Systems Administrator - COMSEC

    KBR (Chantilly, VA)
    Title: Systems Administrator - COMSEC Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape...with Polygraph. + Experience: 3+ years' experience as a System Administrator Desired: + Experience: Military /… more
    KBR (09/06/25)
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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** . ... and maintenance of the Enterprise Linux infrastructure + Provide support in information security system requirements and design applicable to Linux hosts +… more
    Leidos (07/29/25)
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  • Windows Linux Systems Administrator…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …General Dynamics Information Technology (GDIT) is looking for a skilled **IT Systems Administrator ** with experience in Microsoft enterprise environments to ... Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** Linux, System Administration,Windows Applications **Certifications:** CompTIA Security + -… more
    General Dynamics Information Technology (07/16/25)
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  • Windows Systems Administrator

    Leidos (Arlington, VA)
    **Description** We are currently seeking a Windows Systems Administrator to join the Compartmented Enterprise Services Office (CESO) effort. This program is ... Preferred + Integration of Network Management (NM) and Element Management (EM) systems with network performance, trouble ticketing, and security subsystems… more
    Leidos (07/18/25)
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