5GC L3 Support Engineer

Appealing points:

• Opportunity to work as an L3 Support Engineer/SME in a large-scale telecom network with deep involvement in advanced 5G Core technologies such as AMF, SMF, and UPF
• Hands-on experience with cloud-native platforms like Kubernetes and advanced packet-level troubleshooting using Wireshark and Tcpdump
• Ability to contribute to automation initiatives using Python, Go, and CI/CD pipelines while also taking leadership in OJT and knowledge transfer for L1/L2 engineers

Annual Salary: 10 Million yen and above

Job Qualification:

• Mandatory Experience ( must-have)
  • Total Telecom Experience: 10+ Years
  • NOC/Operations Experience: 5+ Years in NOC Operations OR 2+ Years in NOC Management.
  • Core Role: Must have worked as an L3 Support Engineer or Subject Matter Expert (SME) in a large-scale Telecom network.
  • Key Soft Skill: Experience in Knowledge Transfer (KT) and conducting OJT (On-the-Job Training) for L1/L2 engineers.
  
  
• Key Technical Skills (Core Keywords for Search)
• 5G Core (5GC): AMF, SMF, UPF, PCF, UDM (Deep design and operational knowledge).
• Cloud-Native Platforms: Kubernetes (K8s) (Mandatory container platform troubleshooting).
• Log & Protocol Analysis: Wireshark, Tcpdump (Strong packet-level analysis).
• Infrastructure (Good to have): OpenStack, CVIM, RCP (Rakuten Cloud Platform).
• Preferred/Bonus Skills (Good to have)
  • Automation: Python, Go language, CI/CD pipelines (Jenkins, GitLab).
  • Tools: Symworld, Radcom.
  
  

Language: Fluent English (Must be capable of technical negotiations with global vendors).

Company

This company is a leading foreign-affiliated solutions and services provider in the information, communications, and technology (ICT) industry. With more than 130,000 employees in 90 countries, they provide innovative IT solutions to nearly 1000 global customers, including Fortune 500 companies.

Measures against passive smoking

No smoking indoors allowed

. Skillset Required: L3 Support Engineer, Python, 5G Core technologies , NOC Management, L1/L2 engineer, Radcom