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.

Nokia is a global leader in connectivity for the AI era. With expertise across fixed, mobile and transport networks, powered by the innovation of Nokia Bell Labs, we’re advancing connectivity to secure a brighter world. 

Our recruitment process

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If you’re interested in this role but don’t meet every listed requirement, we still encourage you to apply. Unique backgrounds, perspectives, and experiences enrich our teams, and you may be just the right candidate for this or another opportunity.

The length of the recruitment process may vary depending on the specific role's requirements. We strive to ensure a smooth and inclusive experience for all candidates. Discover more about the recruitment process at Nokia. 

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. 

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)