• Voice Over Internet

    ManTech (Annapolis Junction, MD)
    **MANTECH** seeks a motivated, career and customer-oriented ** Voice Over Internet Protocol ( VOIP ) Technician** to join our team in **Annapolis ... Junction, MD** . The VOIP SME is responsible for supporting Cisco ... network protocols that rely on TCP, Session Initiation Protocol , session description protocol , and VoIP more
    ManTech (11/29/25)
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  • Network & Systems Security Analyst, Cisco

    TECO Energy (Tampa, FL)
    …technologies and operational functions: switching, routing, DNS/DHCP, Windows Active Directory, VMware, Voice over IP , Storage Area Networking, firewall ... Cyber Infrastructure Protection and disaster recovery plans. Responsible for VoIP , SIP, DHCP, DNS, TCP/ IP routing and...operational functions: switching, routing, DNS/DHCP, Windows Active Directory, VMware, Voice over IP , Storage Area… more
    TECO Energy (11/05/25)
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  • VOIP Administrator

    Chenega Corporation (Albuquerque, NM)
    …systems, with at least 2+ years' experience specifically with Cisco VOIP systems. + Experience working with VLAN's, TCP/ IP networking and routing, ... related wiring and hardware. + Evaluate the network infrastructure (eg, VoIP , internet , intranet) and provide network improvement recommendations. Provide all… more
    Chenega Corporation (10/07/25)
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  • VOIP Engineer Lead

    CACI International (Chantilly, VA)
    …Manager (CUCM) environment. This role requires a deep understanding of Cisco VoIP technologies, unified communications, and collaboration solutions. The ... VOIP Engineer Lead Job Category: Information Technology Time...* * **The Opportunity:** CACI is looking for a Cisco Call Manager Engineer Lead to support our DoD… more
    CACI International (10/08/25)
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  • Cisco Call Manager Administrator

    CACI International (Chantilly, VA)
    …high-quality communication services. This role requires a deep understanding of Cisco VoIP technologies, unified communications, and collaboration solutions. You ... management, and device configuration + Understanding of dial plans, call routing, and voice gateway configurations + Familiarity with Cisco Unity Connection and… more
    CACI International (09/27/25)
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  • System Engineer Cisco PBX (VoSIP)

    Competitive Range Solutions, LLC (Fort Meade, MD)
    …to ensure seamless and secure telecommunications. + Manage and maintain government-furnished Cisco PBX systems, VoIP , VoSIP, ACD, and all associated ... provisions. + Provide technical and project management support for voice projects, including PBX analysis/implementations, VoIP technical... Cisco PBX systems. + Extensive experience with Cisco PBX, VoIP , VoSIP, and TDM technologies.… more
    Competitive Range Solutions, LLC (11/06/25)
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  • Cisco Collaboration Engineer

    TAD PGS, Inc. (San Diego, CA)
    …candidate will be responsible for migrating from the old PBX to the new Cisco Voice Solution and providing ongoing support. Responsibilities: + Deployment & ... Clearance.** Provide technical expertise in the implementation and support of Cisco Collaboration solutions, including Cisco Unified Communications Manager… more
    TAD PGS, Inc. (10/15/25)
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  • Cisco Call Manager IT Teach Lead 2

    ManpowerGroup (Philadelphia, PA)
    …UCCE infrastructure for enterprise networks + Design and test Cisco IPT VoIP architecture, UCCE workflows, and voice gateway configurations + Configure and ... Log analysis, system health checks **SIP/H.323** Call flow troubleshooting, protocol analysis ** Cisco IOS Gateways** Dial peer...or related field + 5+ years of experience in Cisco Unified Communications and voice infrastructure +… more
    ManpowerGroup (10/11/25)
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  • System Engineer Cisco PBX (VoSIP)

    TekSynap (Arlington, VA)
    VoIP and VoSIP systems. + Experience with troubleshooting and resolving voice infrastructure incidents. + Experience working with Cisco Unified Communications ... **RESPONSIBILITIES** + Operate and maintain Government-furnished telephone/telecommunications equipment, including VoIP , VoSIP, ACD, and TDM technologies. + Involves implementing… more
    TekSynap (10/07/25)
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  • Cisco Voice Engineer *DoD TS/SCI…

    TEKsystems (Dayton, OH)
    …and availability for mission-critical network systems. You'll apply your expertise in VoIP , Cisco Unified Communications Manager (CUCM), network design and ... classified voice communications for our warfighters. Skills Unified communications, Cisco call manager Top Skills Details Unified communications, Cisco call… more
    TEKsystems (12/02/25)
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