4G/5G Stack-L2 Lead / Engineer

Please find below the requirement for a 4G/5G Stack L2 Lead / Engineer. and share relevant resume at [email protected]

Job Title: 4G/5G Stack L2 Lead / Engineer
Experience: 3–12 Years

Job Location: Bengaluru, India

Vacancies: 10

Education: Bachelor's degree or above in Computer Science, Telecommunications, Information Engineering, Automation, or related fields.

Key Responsibilities:

• Develop and debug 4G/5G L2 software using C/C++ and Python.
• Work on MAC, RLC, and PDCP layers for LTE and 5G NR.
• Design, develop, optimize, and debug MAC scheduling algorithms for LTE eNB and 5G gNB.
• Work on segmentation/reassembly, retransmission, flow control, QoS, ciphering/integrity, and packet handling.
• Understand HARQ, TDD/FDD timing, uplink scheduling, DRX, Buffer Status Reports (BSR), and Logical Channel Prioritization (LCP).
• Optimize L2 performance for latency, throughput, retransmissions, fairness, QoS, and power saving.
• Analyze system logs, L2 traces, PCAPs, timing logs, and RF test results to identify and resolve issues.
• Work with L1/L2/L3 interfaces and understand 3GPP RAN architecture.
• Support interoperability testing across different UEs, chipsets, core networks, and network vendors.
• Work with protocol decoding and ASN.1 workflows.

Tools & Technologies:

• C/C++, Python
• LTE / 5G NR
• MAC / RLC / PDCP
• ASN.1 and protocol decoding
• Linux debugging and performance tuning
• QCAT, Viavi, IxLoad Wireless, IxNetwork
• Spirent Landslide
• Wireshark
• PCAP and log analysis
• DPDK, Hugepages, SR-IOV
• FPGA/SoC, SmartNIC/DPU
• x86/ARM-based server environments
• Virtualized DU/CU deployments

Preferred Experience:

• Strong hands-on experience in 4G/5G L2 software development.
• Experience with MAC scheduler development and optimization is highly preferred.
• For senior-level profiles, experience driving 4G/5G L2 development programs and delivery is preferred.

Please share relevant profiles along with total experience, relevant L2 experience, current location, notice period, and expected CTC.

Pavan Sharma

Senior Talent Acquisition Specialist

Contact: +91 8600-358-158

Email: [email protected]