Develop and optimize UE Layer 2 and Layer 3 protocol stack (MAC, RLC, PDCP, RRC, NAS) for LTE and 5G NR. Implement 3GPP features, debug with protocol analyzers, integrate with PHY/L1, run functional and performance tests using UE simulators and network emulators, and ensure operator compliance.
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.
Responsibilities
- 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.
Similar Jobs
Artificial Intelligence • Fintech • Insurance • Marketing Tech • Software • Analytics
Handles inbound calls and warm leads, consults customers on insurance needs, recommends appropriate Property and Casualty coverage, and converts prospects into policyholders. The role includes paid training and licensing, customer service, sales closing, and brand representation. Employees work remotely on assigned evening and weekend schedules, using company-provided equipment and a wired high-speed internet connection.
Top Skills:
Cable InternetDsl InternetFiber InternetPc
Artificial Intelligence • Fintech • Insurance • Marketing Tech • Software • Analytics
Handles inbound calls and warm leads, consults customers on insurance needs, recommends appropriate Property & Casualty products and coverage, and converts prospects into policyholders. The role includes paid licensing and training, customer communication, sales closing, and maintaining a remote work setup with reliable wired high-speed internet. Employees must work four weekdays and one weekend day on designated shifts and remain in their resident state for at least one year.
Top Skills:
Cable/Fiber/Dsl High-Speed InternetPc
Fintech • Information Technology • Insurance • Financial Services • Big Data Analytics
Originate and service agricultural mortgage loans across Southern and Eastern Illinois while managing a $400 million portfolio. Develop new business, structure complex financings, underwrite and analyze credit, conduct real estate valuation, and maintain long-term relationships with agricultural clients and industry stakeholders. The role requires strong agricultural lending expertise, business development skills, portfolio management capabilities, and an established regional network.
Top Skills:
Ai PlatformsDatabase Management
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)
- Major Tech Employers: Lowe’s, Bank of America, TIAA, Microsoft, Honeywell
- Key Industries: Fintech, artificial intelligence, cybersecurity, cloud computing, e-commerce
- 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
