We are seeking a Core Network Engineer with strong experience in LTE EPC (Evolved Packet Core) systems, preferably in Nokia core network environments , to support the operation, optimization, and troubleshooting of a live mobile core network for a Tier 2/3 telecom operator .

This role is fully onsite and involves hands-on support of mission-critical EPC infrastructure supporting mobile data, VoLTE, and subscriber services.

Key Responsibilities

• Operate and maintain LTE EPC core network elements including:
• MME (Mobility Management Entity)
• SGW (Serving Gateway)
• PGW (Packet Gateway)
• HSS (Home Subscriber Server)
• Support Nokia EPC / Cloud Packet Core infrastructure
• Troubleshoot core network issues affecting:
• Data connectivity
• IMS / VoLTE services
• Subscriber mobility and session managem...