5G NR UE Layer 2 and Layer 3 Developer

Nokia • Bachelor's Degree • C++ • 1 day ago
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Nokia

As a technology leader across mobile, fixed and cloud networks, our solutions enable a more productive, sustainable and inclusive world.
nokia.com • Singapore • UTC+08:00 • Artificial Intelligence • Telecommunications • Cybersecurity • 1001-5000 employees • Est. 1865
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.
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