Voip network engineer

CBTS

📍 Chennai, Tamil Nadu, India

Full-time Other-General Posted February 25, 2026

Job Description

Vo IP Engineer – L3 provides advanced engineering and operational support for enterprise Voice over IP (Vo IP) services delivered to managed services clients. This role serves as the highest level of technical escalation for Vo IP-related incidents and service requests.
The position is responsible for maintaining SIP Trunking, Hosted Unified Communications (HUC), Cloud Calling, and Vo IP services operating across SD-WAN environments. The engineer ensures platform stability, high availability, optimal performance, and customer satisfaction while collaborating closely with internal teams, vendors, and carriers to resolve complex issues and drive continuous service improvement.
Essential Functions
· Serve as Tier 3 escalation point for complex Vo IP, SIP, Cloud Calling, and SD-WAN voice-related incidents
· Independently troubleshoot advanced SIP signaling, RTP/media flow, call routing, and Qo S issues
· Support enterprise Vo IP services delivered over SD-WAN and hybrid netw...