• 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. ... for TCP/ IP network protocols, including TCP, Session Initiation Protocol ( SIP ), Session Description Protocol (SDP), and VoIP codecs + Integrate … more
    ManTech (06/28/25)
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  • Network & Systems Security Analyst, Cisco & SCADA…

    TECO Energy (Ybor City, 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 ...operational functions: switching, routing, DNS/DHCP, Windows Active Directory, VMware, Voice over IP , Storage Area… more
    TECO Energy (08/07/25)
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  • Network Engineer

    Boston College (Chestnut Hill, MA)
    …local area networks (LANs), wide area networks (WANs), switches, routers, firewalls, Voice over Internet Protocol ( VoIP ), and/or wireless and wired ... Telecommunications experience to include working knowledge of voicemail, Session Initiation Protocol ( SIP ), unified messaging, call processing, call recording… more
    Boston College (08/13/25)
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  • Unified Communications Administrator

    CACI International (Tacoma, WA)
    …that provides multiple services in the realm of UC&C to include Video Teleconferencing (VTC), Voice over IP ( VoIP ), Instant Messaging (IM), Presence, ... & OCONUS operating locations. Our focus includes the design, transition, operations , and continual service improvement to include tech modernization, tech refresh,… more
    CACI International (07/24/25)
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  • Senior Network Services Engineer (IT…

    CUNY (New York, NY)
    …performance issues. + Detailed understanding of configuring, installing and supporting: + Voice over IP (Cisco), knowledge of SIP + Video over ... while ensuring the reliability, security, and scalability of CUNY's network and VoIP infrastructure. With responsibility for managing over 3,000 network devices,… more
    CUNY (06/18/25)
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  • Info Tech Analyst - Senior Network Engineer

    City of Jacksonville (Jacksonville, FL)
    VoIP handsets, unified collaboration applications, contact center applications, voice gateways, and WI- FI/Wireless Access Points are utilized. The position ... for large amounts of users and QOS design for VoIP implementation over LAN/WAN. + Troubleshoots complex...Voice Team as needed. + Uses a network protocol analyzer efficiently (ie Observer, Wire Shark, etc.) to… more
    City of Jacksonville (08/16/25)
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  • Senior Telephony & CCaaS Engineer

    RELX INC (Alpharetta, GA)
    …the planning, evaluation, testing, selection, implementation and level 2 support of VoIP / SIP infrastructures that include system design and capacity planning on ... 2 support for global support teams, ensuring seamless communication operations across all systems. About the Role: The Senior...+ Five9, Avaya, CMS, AWS (Amazon Web Services, Genesys, IP addressing, OSI model, Ethernet, Wireless, SIP more
    RELX INC (08/10/25)
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  • ACD Voice Engineer

    General Dynamics Information Technology (Arlington, VA)
    …Infrastructure and Operations **Skills:** Communication Network, IP Telephony,Telecommunications Network,Telephone System, Voice Networks **Certifications:** ... Expert for the Ribbon AS system in support of over 90,000 users.** **Work encompasses support of SIP...system.** **Support for VOIP phones, TDM and SIP Trunking, Voice Mail, E911, and UC… more
    General Dynamics Information Technology (08/08/25)
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  • Network Operations Team Lead,…

    City and County of San Francisco (San Francisco, CA)
    …RF wireless technologies and experience troubleshooting RF interference. + Strong knowledge of VoIP and Video protocols; SIP , SS7, RTP, TLS, SCCP, H.323, H.264 ... you will be a crucial member of the network operations team and a critical member to promote SFMTA's...of IPv4, IPv6, BGP, OSPF, IS-IS and Spanning Tree Protocol . + Previous experience managing OT (Operational Technology) networks… more
    City and County of San Francisco (08/08/25)
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  • Manager, Information Technology (IT)

    AireSpring (Phoenix, AZ)
    …and operations teams to support telecom-specific systems (eg, OSS/BSS platforms, SIP / VoIP infrastructure, NMS/EMS tools). + Maintain uptime and support for ... provider (MSP) environment. + Familiarity with carrier-grade hardware/software tools (eg, SBCs, VoIP / SIP systems, BGP configurations). + Knowledge of PCI, GDPR,… more
    AireSpring (07/16/25)
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