4G LTE/NB IoT Layer-2 Developer
Skills
● Strong understanding of LTE/NB-IoT and 5G NR architecture and protocol stack.
● Good knowledge of 3GPP standards (Rel-15/16/17/18).
● Hands-on experience in LTE Layer 2 (MAC/RLC/PDCP) development.
● Proficiency in C/C++ programming. Knowledge of multi-threading and concurrency.
● Strong debugging and problem-solving skills.
● Experience with tools like Wireshark, protocol analysers, log analysis tools.
● Familiarity with hardware-based test tools such as TM500 or UE simulators and
protocol analysers like QXDM, QCAT is a plus.
● Proficiency in GIT, Jenkins (CI/CD), and JIRA for agile development.
Key Responsibilities:
● Design, develop, and maintain Layer 2 protocols (MAC, RLC, PDCP) features
eDRX,PSM, Coverage Enhancement etc for LTE/NB-IoT.
● Work on scheduling algorithms, resource allocation, and QoS handling in MAC layer.
● Contribute to documentation, including design specs and test plans.
● Analyse and debug Layer 2 issues using logs, traces, and protocol analysers.
● Collaborate with Layer 1 and Layer 3 teams for end-to-end feature integration.
● Ensure compliance with 3GPP specifications for 4G
● Participate in system design, code reviews, and performance optimization.
● Work on throughput, latency, and reliability improvements in 4G
● Support field testing, interoperability testing, and customer issue resolution.
Pay: ₹1,500,000.00 - ₹2,000,000.00 per year
Work Location: In person
