• Systems Administrator

    Leidos (Piketon, OH)
    …Leidos has an exciting and rewarding opportunity for a Systems Administrator to work independently with minimal supervision providing systems administration for ... areas like Active Directory, permissions, storage, Group Policy, etc. + Support first- tier technical staff with troubleshooting and the resolution of more complex… more
    Leidos (12/12/25)
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  • Senior Windows Administrator

    TekSynap (Radford, VA)
    …(CCNA). **Clearance** + Secret - IT-II Non-Critical Sensitive Clearance or Tier 3 (T3) investigation. **DESIRED QUALIFICATIONS** **Education** + Bachelor's ... **Experience** + Five (5) years as a Windows Systems Administrator or Engineer, including 3 years of...IIS, Apache). + Five (5) years working in complex network environments with strong knowledge of TCP/IP, DNS, DHCP,… more
    TekSynap (10/25/25)
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  • UNIX/Linux OS Administrator

    General Dynamics Information Technology (Offutt AFB, NE)
    …installation strategies, and maintains all systems according to program standards. + Provides Tier 2 and 3 troubleshooting support, interfacing with the end ... Administration,Unix **Certifications:** ITIL 4 Foundation | PeopleCert - PeopleCert **Experience:** 3 + years of related experience **US Citizenship Required:** Yes… more
    General Dynamics Information Technology (10/30/25)
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  • Tier 3 Level Enterprise Management…

    Koniag Government Services (San Antonio, TX)
    **Koniag Data Solutions, LLC** , a Koniag Government Services company, is seeking a Tier 3 Level Enterprise Management OSD Support Services to support KDS and ... and maintaining advanced OSD solutions across the DHA's global network , encompassing military hospitals, medical clinics, and dental clinics....and management, with at least 5 years in a Tier 3 or equivalent senior technical role.… more
    Koniag Government Services (11/22/25)
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  • GIS Enterprise Administrator

    Guidehouse (Washington, DC)
    …Secret (TS) **What You Will Do** **:** Guidehouse is seeking a GIS Enterprise Administrator to join our AI and Data Defense and Security team. The individual will ... security clearance + Bachelors degree is required + Minimum THREE ( 3 ) years of professional experience designing, implementing, administrating and maintaining… more
    Guidehouse (11/25/25)
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  • Tier 2 Help Desk Specialist

    Systems Engineering Solutions Corporation (Alexandria, VA)
    …Science, or related discipline Program Description: The program provides comprehensive Tier 1, Tier 2, and Tier 3 IT Infrastructure Support services to ... and communication skills to resolve complex hardware, software, and network issues. The Tier 2 Specialist partners... 1 staff to improve first-call resolution, collaborates with Tier 3 engineers on root cause and… more
    Systems Engineering Solutions Corporation (11/22/25)
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  • Tier 3 Level EM Packaging Support…

    Koniag Government Services (San Antonio, TX)
    **Koniag Data Solutions, LLC,** a Koniag Government Services company, is seeking a Tier 3 Level EM Packaging Support Services to support KDS and our government ... maintaining software packages for deployment across the DHA's extensive network , including military hospitals, medical clinics, and dental clinics...and deployment, with at least 5 years in a Tier 3 or equivalent senior technical role.… more
    Koniag Government Services (10/24/25)
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  • Lead Security Systems Administrator

    Lumen (Herndon, VA)
    …dedicated system administration supporting all levels from tier 1 user desktop support to tier 3 backend server and network support + Hands on experience ... committed to teamwork, trust and transparency. People power progress. We're looking for top- tier talent and offer the flexibility you need to thrive and deliver… more
    Lumen (12/10/25)
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  • Senior Storage Administrator

    TekSynap (Radford, VA)
    …(CCNA). **Clearance** + Secret - IT-II Non-Critical Sensitive Clearance or Tier 3 (T3) investigation. **DESIRED QUALIFICATIONS** **Education** + Bachelor's ... storage system design, installation, configuration, security, and maintenance. + Three ( 3 ) years maintaining enterprise storage/ network policies and standards. +… more
    TekSynap (10/25/25)
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  • Tier 2 Engineer

    Proven IT (Naperville, IL)
    …and works effectively as a team with colleagues to solve client issues + Tier II assists in server administration, network backups, installs, and special ... Tier 2 Engineer Naperville, IL (http://maps.google.com/maps?q=Naperville+IL+USA) * IT...questions over the phone + Solves complex system and network problems using logic and knowledge + References and… more
    Proven IT (11/19/25)
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