Principal Technical Specialist

Nokia · Chennai

  • Experience15–16 yrs
  • SalaryNot disclosed
  • Work modeonsite
  • Levelexecutive
  • Posted16 Sept 2026
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About Nokia

Nokia is hiring in Chennai in telecom. This role looks for around 15+ years of experience.

Skills

  • OLT software architecture
  • fiber access networks
  • GPON
  • XGPON
  • Layer 2 networking
  • Datacom
  • Layer 2 forwarding
  • Quality of Service
  • VLAN
  • Layer 2 protocols
  • C
  • C++
  • Python
  • Go
  • test automation
  • network processors
  • packet processing
  • traffic engineering
  • network element management
  • data models
  • Agile

The role

A solution architect at a telecommunications product company leads OLT software architecture for fiber access networks, designing GPON/XGPON systems and Layer 2 networking solutions while applying C++ and network processors to large-scale deployments.

Full job description

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 productsStrong 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)