> Markdown version of [/jobs/ext/3788012-network-voip-support-engineer](https://www.wearedevelopers.com/jobs/ext/3788012-network-voip-support-engineer). 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 VoIP Support Engineer - **Company:** VIVANT Inc. - **Location:** Dallas, TX, United States - **Experience:** Experienced - **Salary:** $50,000.0 - $75,000.0 - **Contract:** Permanent contract - **Skills:** VoIP, CompTIA Network+, Dynamic Host Configuration Protocol, Network Address Translation, Domain Name System (DNS), Issue Tracking Systems, Session Initiation Protocols, Networking Basics, Routing, TCP/IP, Wireless Access Point, Wireless Networks, Wi-Fi Technology, Network Routing, Network Routers, Low Latency, Network Support, Hardware Debugging - **Published:** October 16, 2026 - **Apply:** https://www.juju.com/job/15_66052b041 ## About the Role * Must reside in the Dallas-Fort Worth (DFW) area. * Comfortable working 100% on-site: this is an in-office position with no remote or work-from-home option. * Not Desktop Support: If your background is primarily hardware repair or general IT helpdesk, please do not apply. * Hands-On VoIP & Network Support Experience: You must have real-world experience troubleshooting SIP trunks, PBX systems, routers, switches, WiFi networks, and network routing., * 2+ years of VoIP or Network Support experience. * Strong understanding of TCP/IP, DNS, DHCP, and NAT. * Practical expertise with: * SIP, PBX systems, and SIP trunks. * Routers, switches, and WiFi troubleshooting. Experience with ticketing systems and remote customer rapport. Ability to communicate technical information clearly and simply to non-technical users. * A driven and proactive mindset paired with a passion for continuous learning and making a meaningful impact on our company's success. * Solid understanding of key VoIP metrics such as MOS score, latency, jitter, and packet loss. Nice to Have * CompTIA Network+, CCNA, or VoIP-related certifications * Experience in telecom, MSP, or VoIP carrier environment * Experience with Poly, Grandstream, or cloud PBX platforms ## Description * Answer incoming client calls related to VoIP, internet, or WIFI issues * Work tickets involving call quality, dropped calls, network drops, or routing problems * Run diagnostics (SIP traces, pings, traceroutes, MOS score review, packet loss checks) * Assist with PBX provisioning, phone registration, and softphone setup * Prioritize outages (phones down, internet down, WiFi down) * Document every step clearly and communicate status updates professionally * Escalate advanced issues to senior telecom engineers when appropriate * Maintain ticket SLAs with clear, fast response times, * Support for VoIP, networking, and connectivity issues * Troubleshoot SIP, call quality, latency, jitter, and registration failures * Perform basic network troubleshooting (TCP/IP, DNS, DHCP, routing basics) * Troubleshoot WiFi drops, access point connectivity, and cabling-related issues * Provision phones, extensions, voicemail, call flows, and SIP trunk configs * Manage and prioritize tickets through our help desk system * Escalate complex problems with proper documentation * Update knowledge base articles and internal processes