• Principal OR Senior Principal Field Service…

    Northrop Grumman (Morton, IL)
    …communication technologies; examples include Internet Protocol ( IP ) networks, Voice over IP ( VoIP ), Information Assurance (IA), satellite and ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of...Aeronautics Systems is looking to add a **Principal OR Senior Principal Field Service Engineer - Network… more
    Northrop Grumman (09/17/25)
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  • Sr. Principal Voice Engineer

    Northrop Grumman (Rolling Meadows, IL)
    …of history, they're making history. Northrop Grumman Enterprise Classified Solutions is seeking a senior level Cisco Voice Engineer that has experience in ... VoIP technologies, Cisco Unified Communications Manager, and related voice technologies. Key Responsibilities: + Design and implement Cisco...Certifications such as CCNP Voice or CCIE Voice . + Top Secret , SCI,… more
    Northrop Grumman (09/20/25)
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  • Tier 3 Network Systems Subject Matter Expert

    Leidos (Scott Air Force Base, IL)
    …Matter Expert (SME) to provide Tier 3** sustainment support to a mission critical IP voice transport network at **Scott AFB, IL** **.** To be successful, ... optimally. This position requires **U.S. citizenship with an active Top Secret clearance with SCI eligibility.** **Primary...ie BGP, OSPF, IS-IS, switching protocols ie Spanning Tree Protocol , VLANs, LLDP, VoIP , Multicast protocols and… more
    Leidos (08/23/25)
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  • Lead Cyber Security and System Administrator

    CACI International (Rock Island, IL)
    …infrastructure. + **Troubleshooting Expertise:** Diagnose and fix issues with computers, cabling, Voice over IP devices, printers, multi-function devices, ... and other essential documentation. **Qualifications:** _Required:_ + An active DoD TS /SCI security clearance ( Secret cleared individuals with exceptional… more
    CACI International (09/09/25)
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