Role: Network Performance Engineer ( IMS & PSTN )

Experience: 7-11 Years

Location: Hyderabad, Bangalore, Chennai, Delhi

Key Responsibilities

Key Responsibilities

- Manage end-to-end capacity planning and performance analysis for IMS and PSTN voice networks.
- Analyze voice traffic patterns, utilization trends, and network growth requirements.
- Perform BHCA/BHCC analysis and forecast future voice traffic demand.
- Assess IMS session capacity and identify potential capacity constraints.
- Conduct gateway and trunk dimensioning for voice-network elements.
- Monitor performance KPIs across IMS, PSTN, TDM, gateways, and interconnection links.
- Identify network bottlenecks, congestion risks, and capacity shortfalls.
- Recommend capacity expansion, load balancing, and network optimization actions.
- Develop capacity models based on traffic forecasts and expected network growth.
- Support performance troubleshooting and root-cause analysis for voice-service issues.
- Prepare capacity reports, performance dashboards, and technical recommendations.




- Collaborate with planning, engineering, operations, and implementation teams.

Required Skills and Experience
- 7-11 years of relevant experience in telecom voice-network performance or capacity planning.
- Strong experience in IMS and PSTN network performance management.
- Expertise in voice traffic analysis and capacity forecasting.
- Hands-on knowledge of BHCA/BHCC analysis.
- Experience with IMS session-capacity planning and dimensioning.
- Good understanding of PSTN and TDM voice-network architecture.
- Experience in gateway, trunk, and interconnection dimensioning.
- Robust knowledge of voice-network KPIs and performance monitoring.
- Ability to identify capacity risks, bottlenecks, and network constraints.
- Experience in capacity expansion and performance optimization planning.
- Strong analytical, troubleshooting, documentation, and communication skills.

📌 Network Performance Engineer IMS & PSTN (Hyderabad)
🏢 Tata Consultancy Services
📍 Hyderabad