It's fun to work in a company where people truly BELIEVE in what they're doing!
We're committed to bringing passion and customer focus to the business.
If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us!
Responsibilities will include but not limited to:
Firmware design for optical communication products
Design and implement firmware for microcontrollers (e.g., MCU, such as STM32, ESP32, etc) and other embedded platforms
Develop low-level drivers (GPIO, UART, SPI, I2C, ADC, etc.) and integrate peripherals
Ensure reliable and efficient communication between hardware modules and software systems
Develop GUI for firmware debugging and Lab engineering investigation.
Collaborate with software engineers to integrate hardware and firmware with application layers
Create and maintain design documents (memory map, register file, etc) and test reports.
FW related troubleshooting or failure analysis
Job Requirements:
Required Skills:
Proficiency in microcontrollers
Experience writing low-level drivers (GPIO, UART, SPI, I2C, ADC, PWM, etc.).
Experience with FreeRTOS, Zephyr, or other real-time operating systems.
Use of tools like JTAG, SWD, and in-circuit debuggers
Familiar with industry standards and design regulatory, such as IEEE 802.3, OIF, MSA standard, CMIS specification, etc.
Understanding of firmware flashing, updating methods, and version control.
Good experience in analog and digital circuit design
Knowledge of electronic components (MCUs, ASIC, sensors, laser driver, TEC controller, regulators, etc.).
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
Qualifications:
MS, or PhD in Electrical Engineering, photoelectric, Computer Engineering, Telecommunication, or a related field.
Minimum 3 years of experience in the related industry
Independent Firmware development experience for mass production product.
Good communications skills, written and verbal, in English and Mandarin
Well organized
Good willing to take reasonability.
We are an equal opportunity employer and value diversity at our company.
We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status.
We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment.
Please contact us to request accommodation.
Skills Required
- Proficiency in microcontrollers
- Experience writing low-level drivers (GPIO, UART, SPI, I2C, ADC, PWM, etc.)
- Experience with FreeRTOS, Zephyr, or other real-time operating systems
- Use of tools like JTAG, SWD, and in-circuit debuggers
- Familiarity with industry standards (IEEE 802.3, OIF, MSA, CMIS)
- Understanding of firmware flashing, updating methods, and version control
- Experience in analog and digital circuit design
- Knowledge of electronic components (MCUs, ASIC, sensors, laser driver, TEC controller, regulators)
- Experience using oscilloscopes, logic analyzers, multimeters, and spectrum analyzers
- Knowledge and experience with semiconductor lasers for optical communication applications
- Strong skills in failure analysis, root cause study, and improvement solutions
- MS or PhD in Electrical Engineering, Photoelectric, Computer Engineering, Telecommunication, or related field
- Minimum 3 years of related industry experience
- Independent firmware development experience for mass-production products
- Good communication skills in English and Mandarin
- Well organized and willing to take responsibility
Lumentum Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Lumentum and has not been reviewed or approved by Lumentum.
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Equity Value & Accessibility — Equity is positioned as a meaningful part of total compensation, with RSUs frequently framed as a valued component of offers. An employee stock purchase plan with a discount and look-back further reinforces equity access as part of rewards.
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Retirement Support — Retirement benefits are presented as a clear strength, with a 401(k) match and immediate vesting highlighted as supportive features. Auto-enrollment and match eligibility details indicate a structured retirement program for U.S. employees.
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Healthcare Strength — Multiple medical plan options are described, including PPO and HDHP/HSA choices and Kaiser in some locations, suggesting breadth and choice in coverage. Health and well-being programming is also characterized as part of a comprehensive benefits approach.
Lumentum Insights
What We Do
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. For more information, visit www.lumentum.com.
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