The role involves developing and optimizing 5G NR Layer 2 and Layer 3 functionalities, implementing algorithms, troubleshooting, and integrating software with network layers.
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.
Top Skills
C
C++
Linux Kernel
Qxdm
Rtos
Tshark
Wireshark
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What you need to know about the Charlotte Tech Scene
Ranked among the hottest tech cities in 2024 by CompTIA, Charlotte is quickly cementing its place as a major U.S. tech hub. Home to more than 90,000 tech workers, the city’s ecosystem is primed for continued growth, fueled by billions in annual funding from heavyweights like Microsoft and RevTech Labs, which has created thousands of fintech jobs and made the city a go-to for tech pros looking for their next big opportunity.
Key Facts About Charlotte Tech
- Number of Tech Workers: 90,859; 6.5% of overall workforce (2024 CompTIA survey)
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- Funding Landscape: $3.1 billion in venture capital funding in 2024 (CED)
- Notable Investors: Microsoft, Google, Falfurrias Management Partners, RevTech Labs Foundation
- Research Centers and Universities: University of North Carolina at Charlotte, Northeastern University, North Carolina Research Campus
