> Markdown version of [/jobs/ext/2448069-lead-telephony-network-engineer-avaya-voip-onsite](https://www.wearedevelopers.com/jobs/ext/2448069-lead-telephony-network-engineer-avaya-voip-onsite). 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).

---

# Lead Telephony Network Engineer (Avaya VoIP) onsite

- **Company:** HTC Global Services, Inc.
- **Location:** United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Automatic Call Distributor, VoIP, Network Planning and Design, Network Service, Public Switched Telephone Networks, Network Support
- **Published:** August 25, 2026
- **Apply:** https://www.dice.com/job-detail/e4c3435d-09cb-49ed-ac44-77b413f6d536

## About the Role

* Bachelor s degree or equivalent work experience.
 * 2+ years of experience with Avaya on-premise PBX systems.
 * 2+ years of experience administering VoIP and unified communications platforms.
 * 2+ years of experience with SIP, RTP, QoS, dial plans, call routing, and voice gateway technologies.
 * 2+ years of experience troubleshooting voice quality, carrier connectivity, call routing, and E911 services.
 * 2+ years of experience with telecommunications infrastructure, including voice circuits, session border controllers (SBCs), and PSTN integration.
 * Strong knowledge of telephone network services and telephone network design.
 * Advanced systems administration knowledge and strong communication skills with the ability to manage multiple priorities., * Experience designing, implementing, and supporting enterprise cloud-based telephony solutions, including migrations from on-premises telephony platforms to cloud-based services.

## Description

* Administer enterprise telephony, voicemail, IVR, conference, safety device, and unified communications services.
 * Respond to move, add, change, and disconnect requests while maintaining accurate E911 location information.
 * Create technical documentation, knowledge base articles, and detailed work records.
 * Lead technical tasks for telephony network maintenance and infrastructure improvements.
 * Research, design, configure, install, and maintain telephony hardware, media gateways, telephones, and related equipment.
 * Perform quality assurance testing and develop technical standards, processes, and configuration documentation.
 * Coordinate with vendors for circuit provisioning and outage resolution.
 * Analyze and troubleshoot vector routing, ARS routing tables, route patterns, voice quality, and call routing issues.
 * Provide engineer-level support for enterprise telephony and unified communications systems.
 * Resolve incident tickets and coordinate cross-functional teams during service outages.
 * Identify automation opportunities to improve operational efficiency and service resiliency.
 * Monitor telephony and network systems to maximize uptime and maintain accurate system diagrams and documentation.
 * Follow incident management and change management processes.


## Related Videos

- [Unlocking the potential of Digital & IT at Vodafone](https://www.wearedevelopers.com/videos/602-unlocking-the-potential-of-digital-it-at-vodafone)
- [Culture Starts With You: Rethinking Leadership in 2025](https://www.wearedevelopers.com/videos/1715-culture-starts-with-you-rethinking-leadership-in-2025)
- [Getting under the skin: The Social Engineering techniques](https://www.wearedevelopers.com/videos/38-getting-under-the-skin-the-social-engineering-techniques)
- [Demystifying application networking in the cloud](https://www.wearedevelopers.com/videos/675-demystifying-application-networking-in-the-cloud)
- [The Vonage Trivia Voyage: Quiz Your Way to the Top!](https://www.wearedevelopers.com/videos/1077-the-vonage-trivia-voyage-quiz-your-way-to-the-top)
- [Your organization as a Graph](https://www.wearedevelopers.com/videos/2051-your-organization-as-a-graph)

## Related Articles

- [Basic And Advanced Networking in Dart and Flutter](https://www.wearedevelopers.com/magazine/112-basic-and-advanced-networking-in-dart-and-flutter)
- [The CAMARA Project: How Telcos Collaborating Improves Developer Experience](https://www.wearedevelopers.com/magazine/671-the-camara-project-how-telcos-collaborating-improves-developer-experience)
- [Tips on mastering remote job interviews](https://www.wearedevelopers.com/magazine/23-tips-on-mastering-remote-job-interviews)
- [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers)
- [Remote Work: Best Practices for Developers](https://www.wearedevelopers.com/magazine/315-remote-work-best-practices-for-developers)
- [How should you format your IT resume?](https://www.wearedevelopers.com/magazine/68-how-should-you-format-your-it-resume)