Senior Engineer, 5g Ran, Iris2

Ses Group

Betzdorf, Luxembourg
On-site (60% minimum)
5g ntn gnb components architecture
3gpp compliance
Satellite-specific constraints
SES Group is seeking a Senior Engineer for their 5G RAN team to work on the IRIS2 project, which aims to enhance satellite-based connectivity services for the European Union. The ideal candidate will have extensive experience in 5G gNB design, software architecture, and a solid understanding of both terrestrial and non-terrestrial network systems

Job Summary

  • Define and evolve the end-to-end architecture of NTN-enabled gNB components, ensuring performance, scalability, and reliability in a highly dynamic satellite environment.
  • Influence system design, contribute to standardization evolution in 3GPP, and drive cross-domain innovation across software, hardware, and radio systems.
  • Dimension HW platforms based on multi-threaded software execution models and workload mapping.

Matching Summary

Match Score: 85

SES Group is seeking a Senior Engineer for their 5G RAN team to work on the IRIS2 project, which aims to enhance satellite-based connectivity services for the European Union. The ideal candidate will have extensive experience in 5G gNB design, software architecture, and a solid understanding of both terrestrial and non-terrestrial network systems.

Skills & Requirements

Must-have

  • 5G NTN gNB components architecture
  • 3GPP compliance
  • satellite-specific constraints
  • integrated software–hardware solutions
  • L1 PHY processing
  • L2 MAC/RLC scheduling
  • L3 RRC/PDCP/OAM acceleration

Nice-to-have

  • O-RAN architecture adaptations
  • standardization bodies participation
  • satellite payload or gateway design
  • cloud-native RAN / vRAN architectures

Key Requirements

  • 10+ years of experience in 5G gNB design
  • Proven background in software architecture
  • Strong software engineering expertise
  • Hands-on experience in 5G RAN stack
  • Understanding of 3GPP 5G NR RAN architecture
  • Understanding of NTN concepts
  • Experience with embedded systems
  • Valid "SECRET" security clearance

Work Rights

SECRET security clearance required

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