5G NTN Test Engineer

5G NTN Test Engineer

Aerospacelab

Mont-Saint-Guibert, Belgium

Your mission

We are building the future of 5G connectivity in space. As part of Aerospacelab, you will play a key role in analyzing and contributing to the evolution of 3GPP standards, with a focus on Non-Terrestrial Networks. Your work will guarantee that our systems perform flawlessly in challenging satellite environments, enabling seamless global connectivity.

You are detail-oriented, methodical, and passionate about quality assurance. You enjoy working hands-on with complex systems and thrive in collaborative, fast-paced environments.

Duties

• Develop and execute test plans for 5G NTN RAN network components;
• Build and maintain a state-of-the-art 5G NTN test bed;
• Derive and track KPIs to asses solution efficiency and quality;
• Conduct functional, performance, and interoperability testing in satellite-based scenarios;
• Automate test cases and integrate them into CI/CD pipelines;
• Analyze test results, identify issues, and collaborate with development teams to resolve them;
• Validate compliance with 3GPP standards and Aerospacelab-specific enhancements;
• Benchmark and compare solutions to identify optimal technical approaches.

Must have

• Solid understanding of wireless protocols and 5G NR specifications;
• Experience in testing telecom systems, preferably in NTN or satellite contexts;
• Familiarity with test automation frameworks and scripting languages (e.g., Python);
• Strong analytical and troubleshooting skills.

Nice to have

• Exposure to 5G stack development or embedded systems;
• Experience with UE/core emulators;
• Experience with performance testing and network emulation tools;
• Knowledge of CI/CD practices and DevOps workflows;
• Interest in satellite communications and NTN technologies.