- Design, develop, and maintain Layer 3 control-plane features for LTE and 5G NR networks.
- Implement and enhance RRC, S1AP, X2AP, NGAP, F1AP, E1AP, and XnAP protocol procedures.
- Develop and troubleshoot 4G/5G procedures, including attach/registration, handover, re-establishment, carrier aggregation, dual connectivity, and mobility management.
- Work on RRC state transitions, measurement configuration, bearer signaling, security activation, paging, cell reselection, and radio link failure handling.
- Develop high-performance telecom software using C/C++ and Python.
- Implement state machines, memory management, error handling, and protocol decoding.
- Analyze protocol traces, Wireshark captures, system logs, and KPIs to identify and resolve defects.
- Troubleshoot interoperability issues across different UE, chipset, core network, and RAN vendors.
- Work on Linux-based environments, multithreading,



inter-process communication, and performance optimization.
- Contribute to L3 data-path development involving GTP-U, DPDK, and VPP.
- Support virtualized RAN and Open RAN solutions, including CU/DU deployments.
- Collaborate with verification, core network, OAM, and customer support teams to validate call flows and failure-recovery scenarios.
- Drive defect resolution, production sustenance, customer issue analysis, and backward/forward compatibility across software releases.
- Review code, mentor engineering teams, and ensure high-quality software delivery.
- Coordinate with internal and external stakeholders to deliver large-scale 4G/5G product development programs.

📌 &Developer(Contract) (Chennai)
🏢 Saaki Argus And Averil Consulting
📍 Chennai