Senior 5G NTN RAN Engineer (L2/L3) – Satellite Connectivity

Blackshark; Toulouse; Sur place; EUR 70 000 - 110 000; Plein temps

Résumé du poste

Aerospacelab in Toulouse is seeking a skilled engineer to design, implement, and deploy 5G protocol stack components for Non-Terrestrial Networks. You will work on gNB software and contribute to performance and reliability.

You are an autonomous, collaborative developer with hands-on experience in 5G, C/C++ or Rust, and DPDK. You’ll collaborate with hardware, systems, and test teams to advance NTN solutions.

Qualifications

• Proven experience in 5G stack development, especially L2/L3 layers.
• Deep understanding of 3GPP 5G NR specifications.
• Strong software engineering in C/C++ or Rust with debugging.
• Experience with DPDK for high-throughput data processing.
• Practical experience with embedded systems or performance-critical networking software.
• Strong analytical and troubleshooting skills for low-level bottlenecks.
• Autonomous, analytical mindset with a drive to deliver impactful solutions.

Responsabilités

• Design, implement and validate 5G NR NTN gNB L2/L3 features in line with 3GPP specifications
• Develop Aerospacelab-specific enhancements to optimize performance and reliability
• Actively contribute to architecture, design and code review of the gNB software stack
• Build performance tests, unit tests, logging, and support infrastructure to ensure software quality
• Collaborate with system architects, hardware engineers, and test teams to ensure robust and scalable NTN solutions
• Analyze and contribute to the evolution of 3GPP standards

Connaissances

5G stack development

L2/L3 layers

C/C++ / Rust

DPDK

Embedded systems

Debugging

Architecture

Troubleshooting

Outils

OpenAirInterface

srsRAN

Open-source 5G stacks

Description du poste

Aerospacelab in Toulouse is seeking a skilled engineer to design, implement, and deploy 5G protocol stack components for Non-Terrestrial Networks. You will work on gNB software and contribute to performance and reliability.

You are an autonomous, collaborative developer with hands-on experience in 5G, C/C++ or Rust, and DPDK. You’ll collaborate with hardware, systems, and test teams to advance NTN solutions.