Job Description

We are looking for a Principal Technical Specialist – R&D to lead architecture and innovation in fiber-based fixed access networks products/solutions. This role will drive end-to-end design of OLT software solutions, influencing product strategy, technology direction, and large-scale deployments through deep expertise and technical leadership.

How You Will Contribute And What You Will Learn

NIFN2026

Own and drive architecture & development of OLT software platforms, ensuring scalability, performance, and reliability.
Work on Fiber Transport technologies with focus on GPON/XGPON systems.
Design, develop and implement Layer 2 networking solutions (forwarding, multicast, QoS).
Collaborate with Product Management to translate customer feedback into product features.
Drive end-to-end troubleshooting and resolution of complex telecom software issues.
Provide technical leadership across teams, guiding design decisions and solving complex system-level challenges.
Contribute to an agile and fast-paced development environment, fostering innovation.

Key Skills And Experience

You Have:

Graduate or Postgraduate Degree in Engineering
15+ years experience as lead SW developer/Tester in Telecom Access or Core network products
Strong knowledge/domain experience in Datacom, L2 forwarding, QoS, VLAN, L2 Protocols and etc.
Good programming expertise – C, C++ , Python, Go and etc,.
Good Test Automation Expertise – Robo, Python and etc,.
Very good knowledge on network processors, packet processing, traffic engineering and etc,.
Very good knowledge on network element management, data models, etc,.
Demonstrated experience in technical leadership / team mentoring.
Proven track record in technical architecture, complex problem-solving, and large-scale solution delivery.

It would be nice if you also had:

Experience in network software testing lifecycle and automation.
Good knowledge & understanding on GPON Transport is added advantage (but not a must)