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Principal Firmware Engineer

Nokia

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215 open firmware roles across 38 companies are on ApplySarthi right now, most of them in Bengaluru (16), Hyderabad (7), Chennai (1).

What firmware roles keep asking for: C++ (41%), Python (36%), Linux (26%), Agile (16%), Git (15%) — counted across their open postings here.

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Nokia has 604 open roles listed here.

Counted across 14 company job boards, updated as roles open and close.

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Interviews for firmware roles keep coming back to C++, Python, Linux, Agile. Practise those questions before you sit with Nokia.

Questions you are likely to be asked

  1. Why do you want to join Nokia?
  2. What is your experience with Agile? Tell me one thing you learned the hard way.
  3. Tell me about a hard bug you tracked down. How did you find the cause?
  4. How do you decide what to test, and what does good code review look like to you?
  5. Describe a time a deadline forced a trade-off in quality. What did you choose and why?

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In this role as a Principal Firmware Engineer, you will work within a dynamic Agile scrum team dedicated to innovation in optical systems. Collaborate closely with cross-functional teams, including hardware and software professionals, to design and implement cutting-edge firmware for next-gen optical modules. You'll enjoy a culture of continuous improvement, where your expertise will drive the growth and success of junior engineers and the collective team. We offer a competitive salary and performance bonuses, comprehensive health benefits, and opportunities for professional development. Your contributions will directly impact Nokia’s mission of connecting the world, while you engage in challenging projects that push the boundaries of technology in a supportive and collaborative environment. Must-Have: 15+ years of experience in embedded firmware development. Proficiency in C/C++ and scripting skills in Python. Solid understanding of ARM architecture and embedded operating systems. Proven experience leading teams or projects in an Agile/Scrum environment. Excellent debugging, problem-solving, and communication skills. Nice-To-Have: Experience with advanced pluggable transceivers (e.g., 400ZR, 800ZR, 1600ZR). Familiarity with stateful protocol design and management network architecture. Knowledge of low-level hardware interfaces and peripheral drivers.

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Listed on oraclehcm · posted 2026-10-07. ApplySarthi collects openings and links to application pages; the role is advertised by Nokia, not by us.