EPC/LTE/5G Network Architect

Job Title: EPC/LTE/5G Network Architect

Experience: 5Years+

Location: Delhi NCR

We are looking for an experienced EPC/LTE/5G Network Architect with strong expertise in LTE EPC, 5G Core and IMS networks. The candidate will lead complex production troubleshooting, perform protocol-level analysis and resolve issues across Core, IMS, RAN and Transport domains.

Key Responsibilities
Lead end-to-end troubleshooting across EPC, 5G Core, IMS, RAN and Transport domains.
Perform protocol-level analysis to identify signalling, call-flow, session and connectivity issues.
Administer and troubleshoot EPC, 5GC and IMS nodes in production environments.
Analyze LTE and 5G Core call flows involving MME, SGW, PGW, AMF, SMF and UPF.
Troubleshoot IMS, VoLTE and VoNR service-related issues.




Perform root-cause analysis and coordinate with network, platform and operations teams.
Recommend preventive measures to improve network stability and availability.

Mandatory Skills
Solid hands-on experience in LTE EPC and 5G Core.
Troubleshooting experience with MME, SGW, PGW, AMF, SMF and UPF.
Robust knowledge of IMS, VoLTE and VoNR.
Protocol-level expertise in Diameter, GTP, NAS, SIP, HTTP/2 and SBI.
Ability to independently analyze traces, call flows and protocol messages.
Positive understanding of Core, IMS, RAN and Transport network interactions.
Experience supporting telecom production environments.

Thanks & Regards, Md Shahid, TCS

📌 Epc/lte/5g Network Architect Delhi
🏢 Tata Consultancy Services
📍 Delhi