• Network Engineer Tier

    CACI International (Offutt AFB, NE)
    Network Engineer Tier 3 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... on an ongoing basis. **Opportunity:** Team CACI is seeking a Senior Network Engineer to support an Intelligence Community customer's diverse network more
    CACI International (10/25/25)
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  • Senior Firewall Security Engineer

    Fiserv (Omaha, NE)
    …your expertise in Python scripting, staying attuned to evolving security frameworks + Provide tier 2 and tier 3 support for high-availability solutions in ... global scale, come make a difference at Fiserv. **Job Title** Senior Firewall Security Engineer **About Your Role** As a member of the Perimeter Security Team, you… more
    Fiserv (11/26/25)
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  • Sr Product Support Engineer

    Sierra Nevada Company, LLC (Omaha, NE)
    …we may have the perfect role for you! As a Sr Product Support Engineer , you will be using your skills and hands-on expertise to provide technical support ... operating military units and logistics + Familiarity with the network and integration of traditional communications systems and sensors...of the most innovative US companies in space, a Tier One Superior Supplier for the US Air Force,… more
    Sierra Nevada Company, LLC (11/27/25)
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  • Product Support Engineer III

    Sierra Nevada Company, LLC (Omaha, NE)
    …collaboratively, we may have the perfect role for you! As a Product Support Engineer III, you will be using your skills and hands-on expertise to provide technical ... operating military units and logistics + Familiarity with the network and integration of traditional communications systems and sensors...of the most innovative US companies in space, a Tier One Superior Supplier for the US Air Force,… more
    Sierra Nevada Company, LLC (11/27/25)
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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 ... headquartered in Tysons, Virginia, and employs more than 5,800 professionals who engineer and deploy automated, secure, and resilient power and technology systems;… more
    M. C. Dean (10/11/25)
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  • Sr. Linux/Unix Administrator

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