Senior Technical Specialist

Infinera; Chennai District; On-site; INR 4,000,000 - 7,000,000; Full time

Benefits offered by this job

Flexible and hybrid working

Health and wellbeing support

90 days Maternity & Paternity Leave

Career growth & mobility

Continuous learning

Job summary

Nokia invites applications for a Senior Technical Specialist - R&D to drive innovation in fiber-based fixed access networks. You will lead the design and development of high-performance software for OLT platforms, collaborating with multi-disciplinary teams to deliver scalable, customer-centric solutions.

You will leverage 8-15 years of telecom broadband experience to design robust Layer 2 networking features, optimize performance, and mentor an engineering team in a fast-paced agile

Qualifications

• 8-15 years in telecom broadband access domain (Fiber Transport / OLT development).
• Strong knowledge of Datacom, L2 forwarding, QoS, VLAN, L2 Protocols.
• Proven ability to solve complex technical problems and drive execution across SDLC.

Responsibilities

• Lead development of high-quality software for OLT products, enhancing performance and scalability.
• 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.
• Guide and mentor teams, ensuring high engineering standards and delivery excellence.
• Contribute to an agile and fast-paced development environment, fostering innovation.

Skills

C/C++

Python

Go

Network programming

Team leadership

Education

Engineering degree

Tools

Robo

Automation frameworks

Job description

Job Description:

We are looking for a Senior Technical Specialist - R&D to drive innovation in fiber-based fixed access networks products / solutions. You will lead the design and development of high-performance software for OLT (Optical Line Terminal) platforms, working closely with cross-functional R&D and Product Management teams to deliver scalable, customer-centric solutions.

Responsibilities

NIFN2026

• Lead development of high-quality software for OLT products, enhancing performance and scalability.
• 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.
• Guide and mentor teams, ensuring high engineering standards and delivery excellence.
• Contribute to an agile and fast-paced development environment, fostering innovation.

Qualifications

You Have:

• Graduate or Postgraduate Degree in Engineering
• 8-15 years in telecom broadband access domain (Fiber Transport / OLT development).
• 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,.
• Proven ability to solve complex technical problems and drive execution across SDLC.
• Demonstrated experience in technical leadership / team mentoring.

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)

Advancing connectivity to secure a brighter world.

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.

Learn more about life at Nokia.

Our recruitment process

We act inclusively and respect the uniqueness of people. Our employment decisions are made regardless of race, color, national or ethnic origin, religion, gender, sexual orientation, gender identity or expression, age, marital status, disability, protected veteran status or other characteristics protected by law. We are committed to a culture of inclusion built upon our core value of respect.

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 roles requirements. We strive to ensure a smooth and inclusive experience for all candidates. Discover more about the recruitment process at Nokia.

Some of our benefits in India:

• Flexible and hybrid working arrangements to support work-life balance
• Health and well-being support - medical insurance for you and your family, health check-ups, life and accident insurance, well-being programs, and employee resource groups
• A minimum of 90 days of Maternity and Paternity Leave based on eligibility
• Personal Support Service 24/7 - a confidential support channel open to all Nokia employees and their families in challenging situations
• Career growth & mobility - technical career paths, job rotations, international assignments, and relocation support
• Continuous learning - technical certifications, mentoring programs, coaching, and digital learning platforms
• Opportunities to innovate and contribute through Nokia’s research and development environment
• Recognition programs that celebrate outstanding contributions
• Workplace support - ergonomic working support and mobile device programs based on eligibility