SMF Test engineer
-
Infosys Limited
- Bangalore
- 2 - 5 Years
- Full Time
- 4G languages
- EPC Solution
Posted October 20, 2026 applications close November 19, 2026
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Job Description
Responsibilities
- Strong working knowledge of 4G EPC and 5G Core Packet Core networks.
- Hands-on system testing experience on one or more of the following products:
o 5G Core: SMF
o 4G EPC: PGW, SAEGW, SGW
- Proven experience deploying, configuring, troubleshooting, and validating packet core network functions in lab or production environments.
- Working experience in Kubernetes-based containerized environments.
- Strong understanding of end-to-end call flows, session establishment, mobility procedures, charging, policy control and subscriber management across LTE, NSA and SA networks.
- Thorough understanding of 3GPP specifications covering:
o 5G Core Architecture and Procedures (TS 23.501, TS 23.502)
o EPC Architecture and Procedures (TS 23.401, TS 23.402)
- Good understanding of the following protocols:
o Protocols: PFCP, GTPv2-C, Diameter, SCTP, HTTP/2 and REST APIs
- Experience with packet analysis tools such as Wireshark/tcpdump and telecom test tools for network function validation.
- Ability to analyze logs, troubleshoot failures, and drive issues through resolution with R&D teams.
- Strong focus on test automation from Day 1.
- Ability to effectively leverage AI tools to improve quality and productivity
Preferred Skills
- 4G languages
- EPC Solution
Educational Requirements
Bachelor Of Comp. Applications,Bachelor of Engineering,Bachelor Of Technology