• Senior Tier III Administrator

    General Dynamics Information Technology (Chantilly, VA)
    …Required:** Yes **Job Description:** **GDIT is seeking a Senior Tier III Administrator to provide support to Defense Information Systems Agency (DISA) Global ... ** **MEANINGFUL WORK AND PERSONAL IMPACT** **As a Tier III Administrator , you will work closely with...ensure timely resolution.** **Process tickets received from the Tier II support desk to resolution and escalate appropriate tickets… more
    General Dynamics Information Technology (12/11/25)
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  • Mid-Level Tier III Administrator

    General Dynamics Information Technology (Chantilly, VA)
    …Yes **Job Description:** **GDIT is seeking a Mid-Level Tier III Administrator to provide support to Defense Information Systems Agency (DISA) Global ... ** **MEANINGFUL WORK AND PERSONAL IMPACT** **As a Tier III Administrator , you will work closely with...clearance.** **Certification:** **CompTIA Security+ or similar for IAT Level II DoD 8570 certification** **Experience: 6** **+ years of… more
    General Dynamics Information Technology (12/11/25)
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  • Systems Administrator

    BAE Systems (Sterling, VA)
    …our future and protect our freedom. BAE Systems is looking for a Senior Systems Administrator to provide comprehensive support to all aspects of system ... Administration experience + Maintain DoD 8570/8140 IAT Level II or III certification + Must be...as: + VMware Certified Professional (VCP) + RedHat Certified System Administrator /Engineer (RHCSA/RHCE) + Microsoft Certified: Windows… more
    BAE Systems (12/09/25)
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  • System Administrator

    Chenega Corporation (Oakton, VA)
    System Administrator Oakton, VA . Information...and Experience + Demonstrate directly related experience in Tier II and Tier III support. + 4+ ... IT Operations Support, Software Development, and Program Management. Job Title: System Administrator Location:Oakton, Virginia Clearance Level:Top Secret… more
    Chenega Corporation (11/12/25)
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  • Systems Administrator

    CACI International (Norfolk, VA)
    …High School diploma and up to 7 years experience in system administration** + ** Systems Administrator II ** **- Bachelors degree and strong knowledge of ... system administration principles** + ** Systems Administrator III ** **- Bachelors degree and 5 years experience in system administration within… more
    CACI International (12/05/25)
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  • Systems Administrator

    Amentum (Warrenton, VA)
    …Security, & Intel space? If so, look no further. Amentum is seeking a ** Systems Administrator ** to join our team of passionate individuals in **Warrenton, VA** ... transformative change. **Responsibilities:** The duties and responsibilities of the ** Systems Administrator ** include, but are not limited...Must possess one of the following 8140 IAT Level II or III baseline certifications: o Level… more
    Amentum (12/10/25)
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  • Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (Arlington, VA)
    **Overview** SYSTEMS ADMINISTRATOR (NAUT): Bowhead seeks a Systems Administrator to support our customer on the Nautical contract in the Arlington, VA ... CISSP, CISM, or equivalent advanced security certification + Red Hat Certified System Administrator (RHCSA) + Kubernetes certifications (CKA, CKAD) Physical… more
    UIC Government Services and the Bowhead Family of Companies (10/31/25)
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  • Linux Systems Administrator

    BCMC (Arlington, VA)
    …of the customer mission. Responsibilities: - Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux (RHEL) environments across ... development, lab, and production systems . - Perform large scale configuration management and deployment...5+ years of directly relevant experience as a Linux System Administrator . - 3+ years of experience… more
    BCMC (10/16/25)
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  • Senior System Administrator

    SAIC (Arlington, VA)
    **Description** SAIC is seeking a motivated and experienced ** System Administrator ** to join our team at the Pentagon in Arlington, VA. **This position is 100% ... + Manage currently supported and subsequent Windows Server Operating Systems on virtual operating environments, providing technical oversight and consultation… more
    SAIC (12/13/25)
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  • Maximo Administrator - Staff

    Amentum (Warrenton, VA)
    …various other systems , including ServiceNow, to streamline processes and enhance system connectivity across the organization + Conduct routine system audits, ... change. **Responsibilities:** The duties and responsibilities of the Maximo Administrator include, but are not limited to, the following:...Must possess one of the following 8140 IAT Level II or III baseline certifications: + Level… more
    Amentum (12/16/25)
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