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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Avaya Telephony / VoIP Engineer - **Company:** Ark Infotech Spectrum - **Location:** United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Automatic Call Distributor, VoIP, Cloud Computing, Collaborative Software, Network Architecture, Network Diagrams, Network Planning and Design, Routing, Network Service, Public Switched Telephone Networks, Diagnostic Tools, Real-Time Transport Protocol - **Published:** August 25, 2026 - **Apply:** https://www.dice.com/job-detail/26311100-a206-4931-b5d9-d66cc6779aa1 ## About the Role 1. **2+ years of experience with Avaya on-premises PBX systems.** 2. **2+ years of experience administering VoIP and Unified Communications platforms.** 3. **2+ years of experience with SIP, RTP, QoS, dial plans, call routing, and voice gateway technologies.** 4. **2+ years of experience troubleshooting voice quality, call routing, carrier connectivity, and E911 services.** 5. **2+ years of experience with telecommunications infrastructure, including voice circuits, SBCs, and PSTN integration.** ## Preferred Skills * Experience designing, implementing, and supporting **enterprise cloud-based telephony solutions**. * Experience migrating enterprise telephony environments from **on-premises Avaya platforms to cloud-based communication services**. * Experience with enterprise Unified Communications and collaboration platforms. * Experience with telephony automation and operational process improvement. * Experience working with telecommunications carriers and third-party vendors. ## Additional Qualifications * Strong knowledge of **telephone network services and telephony network design methodologies**. * Advanced knowledge of systems administration techniques and troubleshooting tools. * Ability to analyze complex voice and telecommunications issues and provide effective solutions. * Strong understanding of enterprise voice architecture, routing, connectivity, and resiliency. * Ability to create and maintain detailed technical documentation and network diagrams. * Strong analytical, troubleshooting, and problem-solving skills. * Excellent written and verbal communication skills. * Ability to explain technical information clearly to both technical and non-technical audiences. * Strong interpersonal skills with the ability to work effectively with vendors, management, users, and cross-functional technical teams. * Ability to manage multiple priorities in a fast-paced enterprise environment. ## Description We are seeking an experienced **Avaya Telephony / VoIP Engineer** to support and maintain enterprise telephony, unified communications, and voice network infrastructure. The ideal candidate will have strong hands-on experience with **Avaya on-premises PBX, VoIP, SIP, RTP, QoS, call routing, voice gateways, SBCs, PSTN integration, and E911 services**. This role will be responsible for advanced telephony administration, troubleshooting, engineering support, system implementations, vendor coordination, documentation, and continuous improvement of enterprise voice services. ## Key Responsibilities * Provide advanced administration and technical support for **Avaya on-premises PBX** and enterprise telephony environments. * Handle **moves, adds, changes, and disconnects (MACD)** for voice, voicemail, conference services, safety devices, IVR, vectoring, call center services, and unified communications. * Maintain accurate **E911 location information** and support emergency calling services. * Configure, maintain, troubleshoot, and support **telephony hardware, media gateways, IP phones, voice circuits, and safety devices**. * Analyze and troubleshoot **SIP, RTP, QoS, dial plans, call routing, ARS tables, route patterns, and voice gateways**. * Provide engineering-level support for enterprise telephony and unified communications systems. * Troubleshoot **voice quality issues, carrier connectivity, call routing problems, and PSTN-related issues**. * Support and maintain **Session Border Controllers (SBCs)** and telecommunications infrastructure. * Design and implement improvements to enterprise telephony and unified communications environments. * Participate in telephony projects and serve as a technical lead for assigned implementation and maintenance activities. * Coordinate with telecommunications carriers and vendors for **new circuit provisioning, service issues, and outage resolution**. * Monitor voice and network systems to identify and resolve potential issues proactively. * Coordinate with multiple technical teams to resolve critical outages and minimize service disruption. * Perform quality assurance testing for new configurations, enhancements, and implementations. * Develop and maintain technical documentation, system diagrams, standards, procedures, and configuration documentation. * Create knowledge base articles and technical documentation for internal teams and end users. * Identify opportunities for **automation** and collaborate with automation teams to improve operational efficiency. * Follow established **Incident Management and Change Management** processes. * Serve as a primary escalation point for complex telephony and unified communications issues. * Provide technical recommendations regarding enterprise telephony architecture, technologies, and strategic direction. * Maintain accurate work records, technical notes, and labor-hour information within IT service management systems. * Communicate effectively with vendors, management, technical teams, and business users. ## Related Videos - [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) - [Green Cloud Computing](https://www.wearedevelopers.com/videos/592-green-cloud-computing) - [Getting under the skin: The Social Engineering techniques](https://www.wearedevelopers.com/videos/38-getting-under-the-skin-the-social-engineering-techniques) - [Creating a routing app with Google Maps API from scratch](https://www.wearedevelopers.com/videos/831-creating-a-routing-app-with-google-maps-api-from-scratch) - [Embracing the Hybrid Cloud: Unlocking Success with Ansible](https://www.wearedevelopers.com/videos/932-embracing-the-hybrid-cloud-unlocking-success-with-ansible) - [Unlocking the potential of Digital & IT at Vodafone](https://www.wearedevelopers.com/videos/602-unlocking-the-potential-of-digital-it-at-vodafone) ## Related Articles - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Tips on mastering remote job interviews](https://www.wearedevelopers.com/magazine/23-tips-on-mastering-remote-job-interviews) - [How to Write a CV and Interview if You Don't Fully Qualify For The Job](https://www.wearedevelopers.com/magazine/183-how-to-write-a-cv-and-interview-if-you-don-t-fully-qualify-for-the-job) - [I have a stream! 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