Sr R&D Engineer – OLT Software (GPON/XGPON)

Nokia • Chennai, Tamil Nadu, India • Posted June 05, 2026

Location Chennai, Tamil Nadu
Job Type Full-time
Category Engineers
Posted June 05, 2026

Job Description

As a Senior Technical Specialist, you will play a key role in the development of OLT software systems for fiber-based access networks. You will work closely with cross-functional teams to design, develop, and optimize networking features that support high-performance broadband deployments.

Key Responsibilities

  • Contribute to the design and development of OLT software platforms with focus on scalability, performance, and reliability.
  • Work on fiber access technologies , particularly GPON/XGPON systems.
  • Develop Layer 2 networking features such as forwarding, multicast, VLANs, and QoS.
  • Collaborate with product management and system teams to implement features based on customer requirements.
  • Troubleshoot and resolve complex issues in telecom software and access networks .
  • Participate in code...

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