Sr Firmware Engineer
Nokia · Posted Oct 28
Mobile and fixed network infrastructure, IP routing, cloud, and telecommunications technology services
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About the role
The team works on next-generation optical coherent pluggable transceivers used in high-speed data center interconnects, metro networks, and long-haul transport systems. This role is a firmware validation engineer position focused on developing validation strategies, automated test frameworks, and comprehensive test plans for carrier-grade coherent optics and transponder products. The engineer collaborates with firmware, hardware, optical systems, DSP, and product engineering teams across the product development lifecycle.
What you will do
- We are seeking a highly motivated Firmware Validation Engineer to play a key role in validating firmware software for next-generation optical coherent pluggable transceivers. The ideal candidate will be responsible for developing validation strategies, building automated test frameworks, executing comprehensive test plans, and ensuring firmware quality, reliability, and compliance with industry standards. This position offers the opportunity to work on cutting-edge coherent optical technologies used in high-speed data center interconnects, metro networks, and long-haul transport systems. The successful candidate will collaborate closely with firmware, hardware, optical systems, DSP, and product engineering teams throughout the product development lifecycle.
- Own and define/participate in end-to-end validation strategy for coherent pluggable optics and transponder products features, ensuring carrier-class quality.
- Drive system-level, feature-level, and regression test planning aligned with product architecture, standards, and customer use cases.
- Lead and execute complex validation using white-box and black-box testing across HW, ASIC, FW, and SW layers..
- Collaborate closely with HW, Optical, ASIC, FW, and SW teams to influence design for testability.
- Lead root cause analysis (RCA) of customer-found and field issues; enhance test coverage to prevent recurrence.
- Participate in the test automation strategy and roadmap, ensuring scalability and long-term maintainability.
- Ensure validation readiness, quality metrics, and release sign-off with clear risk assessment.
Skills used in this role
What the employer is looking for
- BS/MS in Engineering with 5+ years of experience in validation of optical telecom products.
- Strong domain expertise in validation of Coherent Optics, Transponders, and standards: OTN (G.709), Ethernet (100G/400G/800G), CMIS and.
- Proven experience testing carrier-grade embedded systems in cross-functional and Agile environments.
- Hands-on experience with optical test equipment: Traffic testers,OSA, Optical Analyzer, Power Meter, VOA, Optical Switch, BER testers.
- Strong Python proficiency: experience with pytest-based automation frameworks preferred.
- Experience with test automation, Git, CI/CD integration, defect tracking, and test management tools.
- Experience collaborating with geographically distributed teams.
- Self-driven, quality-focused, and effective in fast-paced product environments.
Benefits and support
- Compensation and benefits are detailed in the job posting
About Nokia
Nokia Corporation is a multinational telecommunications, information technology, and network equipment provider that delivers critical infrastructure solutions across mobile, fixed, and cloud networks. Known for its historical roots and ongoing global presence in connectivity, the company enables advanced network automation, AI-optimized data center infrastructure, and 5G/6G technology for communications service providers and enterprises worldwide.
- Industry
- Telecommunications
- Company size
- 78005 employees
- Founded
- 1865-05-12
- Location
- Espoo, Finland
- Funding stage
- Public Company
Leadership
President and Chief Executive Officer (CEO)
Chief Financial Officer
Chief Technology and AI Officer
President of Network Infrastructure
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