• Sr. Linux/Unix Administrator

    S4 Inc. (Omaha, NE)
    …Occasional Salary: Commensurate with experience Job Listing Number: NE25002 LCAT: Senior Network and Computer Systems Administrator Overview: S4 Inc. has a ... installation strategies, and maintains all systems according to program standards. + Provide Tier 2 and 3 troubleshooting support, interfacing with the end users… more
    S4 Inc. (10/08/25)
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  • Systems Administrator 3 - TS/SCI

    M. C. Dean (Omaha, NE)
    …**stringent service level agreements (SLAs)** for mission uptime. + Provide ** Tier 3 technical support** for complex system and network issues related to ... of **complex physical security backend systems** , including: + Network administration + Operating system configuration + Hardware and...a technical discipline with 5+ years of experience or 3 + with a Master's degree or 8+ years of… more
    M. C. Dean (10/11/25)
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  • Senior System Administrator (Windows…

    Koniag Government Services (Chantilly, VA)
    …support, primarily focusing on Windows Server 2022 (or higher) instances. + Serve as Tier 2/ Tier 3 escalation support and a Subject Matter Expert ... **Experience:** + 10+ years of progressive, hands-on experience in a System Administrator , Network Administrator , or similar senior-level role. **Security… more
    Koniag Government Services (10/28/25)
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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 (08/20/25)
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  • SCITLS SharePoint Administrator Expert…

    General Dynamics Information Technology (Offutt AFB, NE)
    …maintenance, and operations through configuration, administration, troubleshooting, and incident/problem support ( Tier 2, 3 , and 4), and patching + Plans ... GDIT, people are our differentiator. As a **SCITLS** **SharePoint Administrator ,** you will help ensure today is safe and...and its allies by providing 24/7 IT services and network support for NIPRNet, SIPRNet, JWICS, and SAP/SAR environments.… more
    General Dynamics Information Technology (10/26/25)
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  • SharePoint Administrator

    Trace Systems Inc (Portsmouth, VA)
    …Investigate and resolve SharePoint errors, performance bottlenecks, and service disruptions. + Provide tier 2/ 3 support to end users and site owners for ... Job Overview Job Title: SharePoint Administrator Location: Portsmouth, VA Job Responsibilities Trace Systems is seeking a SharePoint Administrator to support the… more
    Trace Systems Inc (09/16/25)
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  • Senior System Administrator

    CACI International (Annapolis Junction, MD)
    …server, storage, and network systems, including mobile device environments + Deliver Tier 1 through Tier 3 support, including advanced issue escalation ... Senior System Administrator Job Category: Information Technology Time Type: Full...service and reliability. We're looking for a skilled System Administrator to join our team and help maintain, troubleshoot,… more
    CACI International (08/01/25)
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  • Journeyman SharePoint Administrator

    V2X (El Segundo, CA)
    …Candidates shall possess or be eligible to obtain a Department of Defense (DoD) Secret ( Tier 3 ) level clearance. Skills & Technology Used: + Proven track record ... streamline logistics, and enhance readiness. Aligned around a shared purpose, our $ 3 .9B company and 16,000 people work alongside our clients, here and abroad,… more
    V2X (10/16/25)
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  • Quality Assurance Linux Administrator

    Assertive Professionals (Hanover, MD)
    Quality Assurance Linux Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small ... Open Description Assertive Professionalsis in search of aQuality Assurance Linux Administrator to support orNational Security CustomernearHanover, MD. This is a… more
    Assertive Professionals (09/25/25)
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  • System Administrator III

    Chenega Corporation (Albuquerque, NM)
    System Administrator III Albuquerque, NM Join our Talent Network System Administrator III Albuquerque, NM Are you ready to enhance your skills and build your ... capabilities, to ensure functional optimization in their business. TheSystem Administrator IIIwill perform system administration for Linux and Windows operating… more
    Chenega Corporation (10/07/25)
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