Junior 5G NTN RAN Engineer (L2/L3) — Space Tech

Blackshark; Toulouse; On-site; EUR 45,000 - 65,000; Full time

Job summary

Aerospacelab is seeking an engineer to design, implement, and validate 5G NR NTN components for satellite-linked networks. You will work closely with experienced engineers on deep-tech systems, bringing high-performance wireless communications to life.

We value curiosity, rapid learning, and collaboration in a fast-paced environment. Toulouse office participation is expected as part of our multi-national team developing the future of space-based connectivity.

Qualifications

• Academic or practical experience in telecommunications, embedded systems, or software engineering.
• Familiarity with 3GPP 5G specifications and protocol stack concepts.
• Programming skills in C/C++ or Rust.

Responsibilities

• Design, implement and validate 5G NR NTN gNB L2/L3 features according to 3GPP specifications.
• Develop Aerospacelab-specific enhancements.
• Build performance tests, unit tests, logging, and support infrastructure to ensure software quality.
• Deploy and validate software in lab and field environments, including satellite link emulation and hardware-in-the-loop systems.

Skills

Telecommunications

Embedded systems

Software engineering

C/C++

Rust

5G specifications

Protocol stack concepts

Problem solving

Collaborative mindset

Tools

DPDK

Job description

Aerospacelab is seeking an engineer to design, implement, and validate 5G NR NTN components for satellite-linked networks. You will work closely with experienced engineers on deep-tech systems, bringing high-performance wireless communications to life.

We value curiosity, rapid learning, and collaboration in a fast-paced environment. Toulouse office participation is expected as part of our multi-national team developing the future of space-based connectivity.