Role: EPC / 5G Core Test Engineer
Experience: 5-8 Years
Location: Hyderabad | Bengaluru | Chennai | Delhi NCR
Job Description
We are looking for a skilled EPC / 5G Core Test Engineer with hands-on experience in validating 4G LTE and 5G Core network functions. The ideal candidate will be responsible for testing end-to-end mobile core network scenarios, ensuring seamless subscriber registration, session management, mobility, and network performance.
What You'll Do
• Perform end-to-end testing of EPC and 5G Core network functions.
• Validate LTE Attach, 5G Registration, PDN Connectivity, and PDU Session Establishment procedures.
• Execute functional, integration, interoperability, regression, performance, and scale testing.
• Perform load, stress, and scalability testing using Spirent Landslide.
• Validate subscriber mobility scenarios including handovers and roaming use cases.
• Test and verify network slicing functionality in 5G environments.




• Analyze and troubleshoot protocol issues using Wireshark and packet trace analysis.
• Work with engineering and operations teams to identify and resolve defects.

Required Skills
• 5-8 years of experience in Telecom Testing / Core Network Testing.
• Strong hands-on experience with Spirent Landslide (Mandatory).
• Good understanding of EPC and 5G Core architecture.
• Experience with LTE Attach, 5G Registration, PDN, and PDU Session procedures.
• Solid knowledge of GTP and PFCP protocols.
• Experience in performance, interoperability, load, stress, and scale testing.
• Hands-on expertise in Wireshark and protocol trace analysis.
• Understanding of mobility management and network slicing concepts.

Thanks & Regards,
Md Shahid, TCS

📌 EPC / 5G Core Test Engineer (Bengaluru)
🏢 Tata Consultancy Services
📍 Bengaluru