Principal Technical Specialist

Nokia; India; On-site; INR 4,000,000 - 7,000,000; Full time

Job summary

Nokia is seeking a Principal Technical Specialist - R&D to lead architecture and innovation in fiber-based fixed access networks. You will drive end-to-end design of OLT software, influence product strategy, and guide large-scale deployments with deep technical leadership. 15+ years in telecom software is required.

Role emphasizes strong coding skills (C/C++, Python, Go), test automation, and expertise in L2 forwarding, QoS, VLAN, and network processors, within an agile team.

Qualifications

• 15+ years as lead SW developer/Tester in Telecom Access or Core network products
• Engineering degree required with strong fundamentals
• Proven experience in architecture and large-scale delivery
• Strong programming expertise in C, C++, Python, Go
• Excellent test automation background and scripting
• Deep knowledge of L2 protocols, QoS, VLAN and related tech

Responsibilities

• Own and drive architecture and development of OLT software platforms
• Work on GPON/XGPON fiber transport systems
• Design and implement Layer 2 networking solutions
• Collaborate with Product Management to translate feedback into features
• Lead end-to-end troubleshooting of telecom software issues
• Provide technical leadership across teams and guide design decisions

Skills

C/C++/Go/Python

Test automation

L2 forwarding and QoS

Datacom and VLAN

Network processors/packet processing

Technical leadership

Education

Engineering degree (Graduate or Postgraduate)

Tools

Robo

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.

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)