Job Description

Join our Strategy and Technology Space Communication Solutions team as a 5G gNB Layer 2 and Layer 3 (L2/L3) Developer and play a pivotal role in advancing 5G technology! Collaborate closely with systems engineers, testers, and hardware teams in a hybrid work environment, tackling challenges in 5G NR L2/L3 development. You'll contribute to a forward-thinking team that drives innovative technology solutions, shaping the future of mobile communication. Enjoy a flexible work arrangement, professional development opportunities, and the chance to work on groundbreaking projects that set new industry standards. Join us in creating lasting value in the world of telecommunications!

• Develop and optimize 5G NR Layer 2/Layer 3 functionalities including MAC, RLC, PDCP, RRC, and NGAP.
• Implement advanced L2 scheduling algorithms, HARQ mechanisms, and efficient buffer management.
• Collaborate on the development of UE and gNB L2/L3 stacks, ensuring robust protocol compliance and performance.
• Optimize network performance by enhancing throughput, reducing latency, and improving handover processes.
• Debug and troubleshoot protocol stack behaviors using logs and advanced tracing tools.
• Integrate and test L2/L3 software with the physical layer (PHY) and core network (5GC) to ensure seamless operations.
  

You have:

• 3+ years of experience in 5G NR or LTE RAN development (L2/L3)
• Bachelor's or Master's Degree in Computer Science, Electrical Engineering, Telecommunications, or a related field.
• Strong programming skills in C, C++, and experience with multi-threaded and real-time systems.
• Deep understanding of MAC, RLC, PDCP, RRC, NGAP protocols.
• Experience with L2 scheduling, HARQ, QoS, and mobility management.
• Familiarity with 3GPP (Rel-15 and later) specifications.
• Strong debugging skills with tools like Wireshark, TShark, QXDM, or similar.
• Experience in real-time OS (RTOS) or Linux kernel networking stack.

It would be nice if you also had:

• Knowledge of DPDK, VPP, or other high-performance packet processing frameworks is a plus.
• Experience in O-RAN, Open RAN, or vRAN architectures is a plus.