Senior Technical Specialist

Infinera; Chennai District; On-site; INR 1,800,000 - 3,200,000; Full time

Benefits offered by this job

Flexible and hybrid working schemes

Life insurance for all employees

Well-being programs

NERGs (Employee Resource Groups)

Career growth & development

Coaches & mentors access

Learning environment for growth

Job summary

Nokia is seeking a Senior Technical Specialist – R&D in Chennai, India to drive software innovation for fiber-based fixed access networks. You will design and develop high-performance software for OLT platforms, collaborating with cross‑functional teams to deliver scalable, customer-centric solutions.

You will lead Layer 2 networking design, contribute to SDLC, and mentor engineers in an agile, fast-paced environment.

Qualifications

• Graduate or Postgraduate Degree in Engineering
• 10–15 years in telecom broadband access domain (Fiber Transport / OLT development)
• Strong knowledge of Datacom, L2 forwarding, QoS, VLAN, and L2 Protocols
• Proficiency in C, C++, Python, Go and related languages
• Experience in test automation (Robo, Python)
• Knowledge of network processors, packet processing and traffic engineering
• Familiarity with network element management and data models
• Proven leadership and mentoring experience 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

Test automation

Robo

Network concepts

L2 forwarding

QoS

VLAN

Network processors

Data models

Team leadership

Education

Engineering degree (Graduate or Postgraduate)

Tools

None

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
• 10–15 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)

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:

• Flexible and hybrid working schemes
• A minimum of 90 days of Maternity and Paternity Leave, with the option to return to work within a year following the birth or adoption of a child (based on eligibility)
• Life insurance to all employees to provide peace of mind and financial security
• Well-being programs to support your mental and physical health
• Opportunities to join and receive support from Nokia Employee Resource Groups (NERGs)
• Employee Growth Solutions to support your personalized career & skills development
• Diverse pool of Coaches & Mentors to whom you have easy access
• A learning environment which promotes personal growth and professional development - for your role and beyond

Learn about additional benefits in specific countries.