About this role
We are looking for a talented and experienced User Equipment (UE) L2/L3 Developer to join our dynamic team at US20 - Nokia of America Corp. In this role, you will play a crucial part in developing and enhancing UE protocol stack software, ensuring compliance with 3GPP standards. Your expertise will contribute to the seamless integration of L2/L3 protocols with other layers, optimizing performance and power efficiency.
• Design, develop, and optimize UE L2/L3 protocol stack software, including MAC, RLC, PDCP, RRC, and NAS. • Implement 3GPP-specified features and enhancements for LTE and 5G NR. • Analyze and debug L2/L3 layer issues using protocol analyzers and logs. • Optimize protocol performance and throughput under various network conditions. • Collaborate closely with PHY, L1, and higher-layer teams for seamless integration. • Conduct functional and performance testing of L2/L3 protocols using UE simulators and network emulators. • Stay updated with the latest 3GPP releases and integrate relevant changes. • Ensure compliance with industry and operator requirements through cross-functional collaboration. • Provide technical expertise and support to other team members as needed.
• Bachelor's or Master's degree in Computer Science, Electrical Engineering, Telecommunications, or a related field. • 3 years of experience in developing and optimizing Layer 2 and Layer 3 protocols for 4G/5G UE. • Strong programming skills in C/C++ for real-time and embedded systems. • In-depth knowledge of 3GPP 4G/5G UE protocols, specifically L2 (MAC/RLC/PDCP) and L3 (RRC/NAS). • Experience with debugging tools like Wireshark, QXDM, and UE log analyzers. • Familiarity with RTOS/Linux-based development and multi-threaded programming. • Preferred: Knowledge of 5G SA/NSA network architectures and PHY-MAC interactions. • Excellent problem-solving and analytical skills. • Effective communication and teamwork abilities. • Ability to work independently and manage tasks efficiently.