5G NR UE Layer 2 and Layer 3 Developer

NOKIA; Plano (TX); On-site; USD 90,000 - 120,000; Full time

Job summary

NOKIA is seeking a skilled User Equipment (UE) L2/L3 Developer to join our team in Plano, Texas. You will be crucial in developing UE protocol stack software, ensuring compliance with 3GPP standards, and optimizing performance.

The ideal candidate holds a Bachelor's or Master's degree in a relevant field, with at least 3 years of experience in Layer 2 and Layer 3 protocols for 4G/5G systems. Strong programming skills in C/C++ and effective teamwork abilities are also required.

Qualifications

• Bachelor's or Master's degree in a relevant field.
• 3 years of experience with Layer 2 and Layer 3 protocols.
• Strong C/C++ programming skills for real-time systems.

Responsibilities

• Design and optimize UE L2/L3 protocol stack software.
• Implement 3GPP features for LTE and 5G NR.
• Analyze and debug L2/L3 layer issues and optimize performance.

Skills

C/C++ programming

3GPP 4G/5G protocols knowledge

Troubleshooting skills

Analytical skills

Education

Bachelor's or Master's degree in Computer Science, Electrical Engineering, Telecommunications

Tools

Wireshark

QXDM

UE log analyzers

Job description

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.

Qualifications

• 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.