Telecommunications Principal Engineer
Attract, develop & engage a world-class workforce
For more than 30 years, TTEC has anticipated customer needs and stayed ahead of consumer demands. As the leading global provider of technology-enabled customer experience solutions, TTEC designs, enables, manages, and grows superior customer experiences that drive shareholder value. Simply put, we help companies grow the value of their business by growing the value of their customer base. From design to delivery, our comprehensive solutions create value across the entire customer life cycle with industry-specific services.
Our Capabilities Include
· Design: Customer Strategy Services
· Enable: Customer Technology Services
· Manage: Customer Management Services
· Grow: Customer Growth Services
Position Summary
The Telecommunications Principal Engineer is responsible for the engineering, design, deployment, management, and support of the TTEC DCX SIP and carrier infrastructure. This role provides hands-on technical ownership for Ribbon (formerly Sonus) applications,



SIP and TDM carrier infrastructure, carrier optimization, client launch support, incident resolution, vendor coordination, documentation, monitoring requirements, automation initiatives, and the appropriate implementation of AI-enabled tools to improve operational efficiency, troubleshooting, documentation, monitoring, and support outcomes. The successful candidate brings solid voice engineering expertise, operational discipline, and the ability to partner across support teams, vendors, project delivery teams, and business stakeholders to deliver reliable, cost-effective, and scalable voice infrastructure services.
· Ribbon / Sonus session border controller platforms and related management applications
· SIP and TDM carrier infrastructure, including SIP, T1, E1, DS3, and ONS
· Voice protocols, routing, codecs, monitoring, packet analysis, and virtualization platforms
· Carrier optimization, customer migrations, new cli

📌 Telecommunications Principal Engineer (Hyderabad)
🏢 TTEC
📍 Hyderabad