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L2 & L3 Developer(Contract)
Job Location:
Monthly Salary:
Posted:
24 October 2026 (2 days ago)
Posted:
Application Deadline:
21 January 2027
Application Deadline:
Vacancies:
1 Vacancy
Vacancies:
Job Summary
- 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.
