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.
- Strong 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.
- Good 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