SMF Test engineer

Roles & 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:
  1. 5G Core: SMF
  2. 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:
1. 5G Core Architecture and Procedures (TS 23.501, TS 23.502)
2. EPC Architecture and Procedures (TS 23.401, TS 23.402)

Good understanding of the following protocols:
1. 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

Educational Requirement

• Bachelor Of Comp. Applications,Bachelor of Engineering,Bachelor Of Technology

Preferred Skills

• Technology -> Programming Languages - 4GL -> 4G languages,Technology -> Enterprise / Domain Platforms -> EPC Solution

Service Line

• Engineering Services