Optical Engineer (Coherent Transceivers) at Nokia, Bengaluru
Job Description
This optical engineer job in Bangalore is with Nokia’s optical networking team. You will help design, integrate and test coherent transceivers (DCO pluggables) and transponder line cards. The role needs 3 or more years of hands-on work with coherent optics.
At a glance
- Role: Optical Engineer (optical hardware), requisition 39909
- Where: Bengaluru, Karnataka (Brunton Road office); hybrid
- Type: Full time
- Experience: 3+ years in optical integration and testing of coherent modules or transponders
- Apply: open until filled (re-checked 6 November 2026)
About the coherent optics role
- Support the optical design of coherent transceivers
- Integrate optical modules into transceivers and transponder line cards, and meet optical performance targets
- Evaluate optical components and review schematics and layouts
- Write test plans, procedures and reports, and log design issues found in the lab
- Build test routines for key performance, and compare results with specs and OIF, OpenZR+, OpenROADM and ITU-T references
- Run and fix Python scripts in the test automation framework
- Work with firmware, hardware and optics teams, and represent optical design and oDVT in team meetings
Why this role matters
Coherent pluggables carry most new data-centre and long-haul traffic. Each new speed step needs careful optical design and verification. This role puts you in that loop in Bengaluru, on products used worldwide.
What Nokia is looking for
- A bachelor’s or master’s in Optical Engineering, Electronics, Electrical Engineering or a related field
- 3 or more years of experience in optical integration and testing of coherent modules or transponders
- Familiarity with optical characterisation equipment and measurement methods
- Ability to follow a design or test plan, troubleshoot bench issues and report results clearly
- Strong problem-solving and communication skills
Pay and location
The posting does not give a salary. The role is full time and hybrid, based at Nokia’s office on Brunton Road, Bengaluru. The posting sits with Nokia’s optical team, tagged NILightpath.
How to apply
Apply through the official Nokia job posting. Nokia’s posting does not give a closing date, so the role is open until filled; ResearchJobs.in will re-check this listing on 6 November 2026. Check the posting for location and work-authorisation details before you apply.
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Hiring institution: Nokia
Official advertisement: jobs.nokia.com
How to prepare for this application
- Revise coherent basics: QAM formats, OSNR, chromatic dispersion and PMD, and what the DSP corrects
- Know the bench: OSA, optical modulation analyser, BER tester, VOAs and polarisation controllers
- Be ready to walk through one test plan you wrote and one bench fault you fixed
- Read the OIF 400ZR and OpenZR+ specs at a high level; know which numbers they set
- Show Python test automation you have written or maintained
About Nokia
Nokia is a Finnish telecom equipment company headquartered in Espoo. It makes mobile, fixed and optical network equipment. Its optical networking business grew with the purchase of Infinera, completed in 2025, and the Bengaluru office named in this posting carries the Infinera name.
