- Pune, Maharashtra, India
- 12+ years
Lead the Enterprise Voice TAC team focused on advanced technical issue resolution across SIP, PRI, and IMS platforms, ensuring rapid response to customer complaints, incident resolution, protocol-level analysis, and cross-vendor coordination to maintain high voice service reliability.
Responsibilities
- Act as the final technical L3 escalation point for complex issues on SIP trunks, PRI, and IMS/NGN voice platforms
- Conduct deep-dive analysis using signalling traces, system logs, and diagnostic tools for call failures, one-way audio, mute, codec mismatches, and RTP issues
- Own high-priority customer escalations and major incidents till resolution and closure
- Serve as SME across VoIP, Legacy TDM Voice, IMS Platforms, and NGN
- Use tools such as Wireshark, Diameter/SIP trace tools, ZTE/Nokia OSS for analysis
Requirements
- Bachelor’s degree in Electronics/Telecom/IT or related field
- Nice to have: SIP School
- Nice to have: Nokia IMS
- Nice to have: Cisco Voice
- Nice to have: VoIP protocols