• Systems Administrator

    Amentum (Warrenton, VA)
    Amentum is seeking a Windows Systems Administrator to support our federal program in Warrenton, VA. Our mission is to operate and maintain the Distributed ... and support virtualization platforms such as VMware and/or Hyper-V + Monitor system performance, review security logs, and apply critical updates and patches +… more
    Amentum (01/09/26)
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  • Senior Systems Administrator…

    PingWind INC (Doral, FL)
    …Administration or a related IT career field Seeking an IT Microsoft Systems Administrator to help maintain the USSOUTHCOM Enterprise System in Doral FL. They ... Senior Systems Administrator - SCITES Doral, FL (http://maps.google.com/maps?q=Doral+FL+USA)...systems -related security policies and updates to maintain information system compliance with DISA security policies and procedures (STIGs,… more
    PingWind INC (11/12/25)
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  • Senior Windows Systems Administrator

    Leidos (Arlington, VA)
    …Systems Security Certified Practitioner (SSCP) ) Training (DISA-US1390 DCWF Windows Systems Administrator ). + Expert knowledge of Windows Active Directory ... **Description** The Leidos Digital Modernization Sector is seeking a **_Senior Windows Systems Administrator_** in support of the Air Force National Capital (AFNCR)… more
    Leidos (01/07/26)
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  • Linux Systems Administrator

    Leidos (Springfield, VA)
    **Description** Leidos is seeking an experienced, customer-facing Linux Systems Administrator to join our dynamic team supporting mission-critical infrastructure ... for repetitive tasks. + Maintain and support Enterprise Storage systems (eg, IBM ESS or similar vendor arrays). +...Server administration in hybrid environments. + Red Hat Certified System Administrator (RHCSA) or equivalent certification. +… more
    Leidos (01/16/26)
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  • System Administrator - Active Secret…

    ENS Solutions (San Diego, CA)
    This role is contingent upon Contract Award The System Administrator supports secure and resilient operations of PKI infrastructure and associated systems ... leveraging DoD infrastructure. This includes managing RA workstations, ensuring system compliance with cybersecurity frameworks, and supporting audit readiness for… more
    ENS Solutions (12/27/25)
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  • System Administrator

    SAIC (Fort Gordon, GA)
    **Description** SAIC is currently hiring a ** System Administrator ** to support the INSCOM Military Intelligence Brigade (MIB) in Fort Gordon, GA. **Job ... II sustainment of INSCOM CI, as well as System Administration for Windows, Linux, and Solaris administration and...and Solaris administration and other application expertise on emerging systems + Provide support to the underlying system… more
    SAIC (12/19/25)
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  • PKI Systems Administrator - active…

    General Dynamics Information Technology (Washington, DC)
    …+ years of related experience **US Citizenship Required:** Yes **Job Description:** PKI Systems Administrator Advance how our customers operate while you advance ... your career. Join GDIT as a PKI Systems Administrator and you will build an...+ Required: US Citizenship + Required: DoD 8140 IAT II compliant GDIT IS YOUR PLACE At GDIT, the… more
    General Dynamics Information Technology (12/17/25)
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  • 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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  • Help Desk System Administrator - Top…

    Lockheed Martin (Schriever AFB, CO)
    …Will Be Doing** We are seeking a detail\-oriented and highly motivated Help Desk System Administrator to join our team in Colorado Springs\. This role focuses ... duties include configuring and managing Linux and Windows Operating systems to include implementing operating system enhancements...to starting\. * Must possess DoD 8140 IAT Level II compliant certification such as CompTIA Security\+ CE or… more
    Lockheed Martin (12/11/25)
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  • Senior Classified Systems…

    The MITRE Corporation (Bedford, MA)
    …and operational focus. Roles and Responsibilities: The team seeks a full-time Systems Administrator to support the deployment, operation, and maintenance of ... who has prior experience working as a classified IT Systems Administrator . This is an on-premises position...understanding of lab IT architecture + Fundamental understanding of system administration, network, and operating system hardening… more
    The MITRE Corporation (01/13/26)
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