> Markdown version of [/jobs/ext/149455-network-system-engineer-iii-enterprise-voice-and-video-engineer-ecvt](https://www.wearedevelopers.com/jobs/ext/149455-network-system-engineer-iii-enterprise-voice-and-video-engineer-ecvt). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network / System Engineer III (Enterprise Voice and Video Engineer - ECVT) - **Company:** BCforward - **Location:** Jersey City, NJ, United States - **Experience:** Expert - **Salary:** $153,234.0 - **Contract:** Temporary contract - **Skills:** Automatic Call Distributor, Application Programming Interfaces (APIs), HTML5, Border Gateway Protocol, Synchronous Optical Networking, VoIP, Cisco Unified Communications Manager, Wavelength-Division Multiplexing, Data Centers, VMware ESX Servers, H.323 Protocol, Hypervisor, Integrated Services Digital Networks, IP Multicasting, IP Pbx, Multi-protocol Systems, Jabber, Session Initiation Protocols, Routing, Open Shortest Path First (OSPF), Signalling Connection Control Part (SCCP), Session Management, Virtual Local Area Networks, VMware VSphere, Wide Area Networks, WAN Optimization, Cisco WebEx, WebRTC, Network Routers, Scripting, Real-Time Transport Protocol, Load Balancing, Cloud Platform System, Genesys, Apache Spark, HybridCloud, Firewalls (Computer Science), Juniper, Information Technology, OPUS (Software), Cisco - **Published:** May 20, 2026 - **Apply:** https://www.dice.com/job-detail/37ebf25b-d48c-40ae-9a20-bb7fb76d92cf ## About the Role We are seeking a Network / System Engineer III to join our dynamic team and lead an enterprise Telephony Platform Upgrade. The ideal candidate will have strong experience in voice infrastructure, VoIP, unified communications, and large-scale enterprise networking and a proven ability to design, certify, and deliver complex voice and video collaboration solutions., * BS/BA in Engineering or Computer Science. * 10+ years in Voice and Collaboration for large enterprises. Financial industry experience preferred. * Expertise in voice technologies: SIP trunking and interworking, VoIP protocols (H.323/SIP), IP PBX, session management. * Hands-on with SBCs and platforms such as Genesys and Cisco UC and collaboration suites. * Strong LAN/WAN knowledge: wired/wireless, data center, load balancing, hypervisors, Fibre Channel, IP/MPLS, SONET/SDH, DWDM, IP Multicast, QoS. * Experience with routers, switches, load balancers, firewalls, and WAN optimization. Juniper, Aruba, Arista, Cisco, and SonRibbon exposure is a plus. * Ability to interpret technology updates for applicability in complex environments. Strong analytical and critical thinking skills. * Experience automating and scripting for configuration reconciliation and process efficiency. * Knowledge of virtualization across on prem, public, private, and hybrid cloud models. Technical Skills: * Large-scale Cisco Collaboration: CUCM, Unity Connection, Jabber, Webex, Webex Teams, MRA, Expressway, TelePresence, CMS, TMS, DX/SX/IX endpoints, Spark/Spark Boards. * VMware vSphere with ESXi and vCenter. * Protocols and media: SRTP, RTP, Opus, SCCP, SIP and SIP interworking. * Call routing in complex environments: QSIG, MGoogle Cloud Platform, CAC, H.323, SIP. * TDM, VoIP, call control, and next-gen networks using APIs, WebRTC, HTML5. * Session management with Avaya Aura, Cisco SME, Acme, Asterisk, SonRibbon. * SIP and ISDN/PRI trunking, carrier integration, RFC standards adherence. * SonRibbon gateway configuration/integration (2K, 5K, 7K, 9K). * L2 VLANs and routing protocols: BGP, IS-IS, OSPF. * QoS standards and best practices for real-time media. E911 on Cisco and West/Intrado. Preferred Skills: * Experience as an enterprise network and voice architect in regulated environments. * Strong communication, documentation, and program execution skills. ## Description * Design, configure, and certify enterprise voice and video solutions aligned to business goals. * Develop high- and low-level designs and standards for Cisco UC, SIP trunking, and session management. * Lead delivery of complex platform upgrades on time and on budget, including change and risk evaluation. * Provide L3 support for visible production issues and ensure successful transition to operations. * Create and maintain engineering documentation, SOPs, blueprints, and certification results. * Interface with vendors and internal partners to drive roadmap and standards compliance. * Assess emerging technologies and align solutions with multiyear architecture roadmaps. ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Unlocking the potential of Digital & IT at Vodafone](https://www.wearedevelopers.com/videos/602-unlocking-the-potential-of-digital-it-at-vodafone) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Getting under the skin: The Social Engineering techniques](https://www.wearedevelopers.com/videos/38-getting-under-the-skin-the-social-engineering-techniques) - [Can SVG be fast? 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