Lead development of software for OLT products, focusing on performance and scalability in fiber-based fixed access networks, and mentor teams.
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.
ResponsibilitiesNIFN2026
- 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.
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 Chennai, Tamil Nadu, IND Office
Chennai, India
Similar Jobs
Software
Manage and standardize R&D lab infrastructure worldwide: configure, install, maintain lab and network equipment, servers, and cloud resources; enforce cybersecurity and compliance (TL9000, ISO standards); handle tickets/SLA support; manage inventory, procurement, budgeting (Capex/Opex), and drive lab improvements and integrations for SW/HW/system testing.
Top Skills:
BcpCcnaCloud InfrastructureDevOpsEsdFirewallsIp AddressingIso14000Iso27000Iso45000Network/Telecom EquipmentOs InstallationRoutingSecurity PatchingServer InfrastructureSwitchingTicketing SystemsTl9000VlanVulnerability Management
Database
Design, develop, and maintain scalable data warehouse solutions using dbt and SQL. Build incremental models, snapshots, tests, and macros. Implement dimensional data models and semantic layers, optimize queries, and ensure data quality and performance while collaborating with stakeholders.
Top Skills:
DbtSemantic LayerSQL
Blockchain • Fintech • Software • Cryptocurrency • Metaverse
Full-cycle senior technical recruiter acting as talent partner for technical and product teams: source, interview, coordinate hiring, negotiate offers, maintain pipelines, improve hiring processes, run hiring projects and analytics, and support onboarding to attract and retain top talent.
Top Skills:
BlockchainWeb3
What you need to know about the Chennai Tech Scene
To locals, it's no secret that South India is leading the charge in big data infrastructure. While the environmental impact of data centers has long been a concern, emerging hubs like Chennai are favored by companies seeking ready access to renewable energy resources, which provide more sustainable and cost-effective solutions. As a result, Chennai, along with neighboring Bengaluru and Hyderabad, is poised for significant growth, with a projected 65 percent increase in data center capacity over the next decade.


