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L2 & L3 Developer(Contract)

Saaki Argus And Averil Consulting
Delhi

Posted:4 days ago

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Job Description

  • 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.

Skills Required

Telecom C++ Python Memory Management Linux Performance Optimization Customer Support Product Development C and C++ Linux and shell scripting Customer service

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Saaki Argus And Averil Consulting

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