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Job Description Join our Strategy and Technology Space Communication Solutions team as a 5G gNB 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 Layer 2/Layer 3 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! Responsibilities 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. Qualifications Must have: 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. 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. It would be nice if you also had: 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. 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. About Us Come create the technology that helps the world act together Nokia is committed to innovation and technology leadership across mobile, fixed and cloud networks. Your career here will have a positive impact on people's lives and will help us build the capabilities needed for a more productive, sustainable, and inclusive world. We challenge ourselves to create an inclusive way of working where we are open to new ideas, empowered to take risks and fearless to bring our authentic selves to work What we offer Nokia offers continuous learning opportunities, well-being programs to support you mentally and physically, opportunities to join and get supported by employee resource groups, mentoring programs and highly diverse teams with an inclusive culture where people thrive and are empowered. Nokia is committed to inclusion and is an equal opportunity employer Nokia has received the following recognitions for its commitment to inclusion & equality: One of the World's Most Ethical Companies by Ethisphere Gender-Equality Index by Bloomberg Workplace Pride Global Benchmark At Nokia, we act inclusively and respect the uniqueness of people. Nokia's employment decisions are made regardless of race, color, national or ethnic origin, religion, gender, sexual orientation, gender identity or expression, age, marital status, disability, protected veteran status or other characteristics protected by law. We are committed to a culture of inclusion built upon our core value of respect. Join us and be part of a company where you will feel included and empowered to succeed. Nokia

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