Senior Firmware Engineer
LumentumShenzhen, Guangdong, China
Posted February 23, 2026
Full Time
About the Company
Lumentum (NASDAQ: LITE) is a market-leading designer and manufacturer of innovative optical and photonic products enabling optical networking and laser applications worldwide. Lumentum optical components and subsystems are part of virtually every type of telecom, enterprise, and data center network. Lumentum lasers enable advanced manufacturing techniques and diverse applications including next-generation 3D sensing capabilities. Lumentum is headquartered in San Jose, California with R&D, manufacturing, and sales offices worldwide.
Job Description
Join a company where people truly believe in what they're doing! As a Senior Firmware Engineer, you'll design firmware for optical communication products and work with happy, enthusiastic over-achievers.
Requirements
- Proficiency in microcontrollers
- Experience writing low-level drivers
- Experience with FreeRTOS, Zephyr, or other real-time operating systems
- Familiar with industry standards and design regulatory
- Understanding of firmware flashing, updating methods, and version control
- Good experience in analog and digital circuit design
- Knowledge of electronic components
- Experience using oscilloscopes, logic analyzers, multimeters, and spectrum analyzers
- Knowledge and experience on semiconductor laser for optic communication application
- Strong skill on Failure analysis, root cause study and improvement solution