Responsibilities
- Participate in the development, adaptation and testing of the L1/L2/L3 protocol stack for Non-Terrestrial Networks (NTN) in NB-IoT, LTE, and 5G NR/
- Participate in building 5G NTN testbed including SDR and channel emulator.
- Troubleshoot and enhance protocol stack (based on project needs) across different layers, including PHY, MAC, RLC, PDCP, RRC, and NAS.
- Stay up to date with the latest 3GPP standards and incorporate relevant advancements into solutions.
- Work on developing technical reports and project milestone reports.
Requirements
- Bachelor's, Master's, or higher degree in Computer Science, Electrical Engineering, Telecommunications, or a related field.
- 3+ years of experience in telecom, with a focus on SatCom/NTN technologies and 3GPP standards.
- Good programming skills in C, C++, and Python.
- Experience with Unix/Linux-based platforms and development tools.
- Proficiency in continuous integration, version control tools, and debugging techniques.
- Excellent problem-solving, interpersonal, and communication skills.
- Ability to work autonomously as well as collaboratively in a team environment.
- Proficiency in spoken and written English.
- Already a resident in Europe or holds a European residence permit.
Nice to Have
- Expertise in wireless communication systems based on 3GPP standards (NB-IoT, 4G LTE, 5G NR).
- Experience with non-terrestrial network protocol stack adaptation and architecture in 3GPP.
- Experience with OAI/ SRS-RAN protocol stack is a plus.
- Strong understanding of L1/L2/L3 modules (PHY, MAC, RLC, PDCP, RRC, NAS, S1AP, NGAP, GTPC/U).
- Knowledge of O-RAN architecture and functional split options.
- Familiarity with SCF standards, including FAPI interfaces.
- Experience in the development of L3 control plane entities such as RRC/RRM and NAS.
- Background in embedded real-time software development for resource-constrained platforms such as ARM.
- Hands-on experience in unit testing, validation, and debugging of protocol stacks.
Work Arrangement
On-site — Luxembourg
Additional Information
- Candidates may be required to provide a criminal record certificate issued within the last three (3) months.
