Role: Network Performance Engineer ( IMS & PSTN )
Experience: 7-11 Years
Location: Hyderabad, Bangalore, Chennai, Delhi
Job Description:
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.
• Robust 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.
• Strong 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 (Hyderabad)
🏢 Tata Consultancy Services
📍 Hyderabad