• Systems Engineer / VTC Operator Tier III

    UIC Government Services and the Bowhead Family of Companies (Quantico, VA)
    …maintenance and create / update system package artifacts for Tactical AV located in Hawaii. + Voice over IP ( VoIP ) systems + Video conferencing systems + ... Communications as a Service (UCaaS) solutions + Session Initiation Protocol ( SIP ) trunking + Voice ...voice and video systems. + Strong knowledge of VoIP protocols, including SIP , H.323, and MGCP.… more
    UIC Government Services and the Bowhead Family of Companies (07/08/25)
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  • Unified Communications (UC) Engineer, Senior

    Amentum (Warrenton, VA)
    …network connectivity and performance problems affecting Voice and Video over IP communications. + Demonstrated experience with: + SIP and H.323 + Unified ... Operations lead for large enterprise (3,000+) Tier III voice and video services working in tandem with Network...troubleshooting to solve installation and break/fix issues associated with Voice and/or Video over IP … more
    Amentum (06/29/25)
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  • Cloud and Systems Engineer

    Leidos (Chantilly, VA)
    …administration, VoIP infrastructure, and automation tasks critical to ongoing operations . This position is ideal for a technically proficient engineer who can ... PBXact phone systems, including auto-provisioning, endpoint configuration, and updates + Monitor SIP trunk health and system call behavior under the direction of the… more
    Leidos (06/17/25)
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  • Cisco Telephony SME (Subject Matter Expert)

    Nightwing (Sterling, VA)
    …(CUCM)** + **Cisco Unity Connection** + **Cisco Unified Border Element (CUBE)** + **Cisco IP Phones and Handsets** + **Cisco Analog Voice Gateways** + **vIPer ... managing **vIPer phones** and **TSG-certified phones** in secure environments. + Proficiency in SIP , H.323, MGCP, and analog voice protocols. + Familiarity with… more
    Nightwing (07/16/25)
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  • Unified Communications Engineer

    CACI International (Norfolk, VA)
    …services across the enterprise. + Develop and deploy UC solutions, including VoIP , SIP , and cloud-based communication platforms. + Lead engineering designs ... solutions, and ensure the smooth operation of enhanced services. Over the life of the contract, we will continuously...service providers, and IT teams to ensure smooth UC operations + Work closely with security teams, network engineers,… more
    CACI International (06/17/25)
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  • Telecom Linux Systems Engineer

    System One (Herndon, VA)
    …network performance. * Advanced understanding of core telecom network protocols, including SS7, SIP , VoIP , TCP/ IP , and Diameter. * Experience with monitoring ... You will work closely with a geographically distributed team, collaborating with operations and development staff to identify and remediate issues affecting system… more
    System One (06/06/25)
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