SMF Test engineer

Infosys · Bangalore, India · 1-3 years · Full-time

Key skills

  • Kubernetes

Job description

  • Location: BLR ONLY

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:

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

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