[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Lumentum Holdings jobs](https://jobs.opennash.com/companies/lumentum-holdings/) · [Search jobs](/search/) Lumentum Holdings · China - Shenzhen # Engineer Staff, Firmware China - Shenzhen Senior individual contributor Software Engineering Listed on Lumentum Holdings’s official careers site. Posted October 17, 2026. Check that it is still open and apply there. [Apply on Lumentum Holdings’s careers site →](https://lumentum.wd5.myworkdayjobs.com/LITE/job/China---Shenzhen-Futian/Engineer-Staff--Firmware_20261291) [OpenNash Jobs](https://jobs.opennash.com/) / [Lumentum Holdings](https://jobs.opennash.com/companies/lumentum-holdings/) / Engineer Staff, Firmware ## Job description 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: BS, MS, or PhD in Electrical Engineering, photoelectric, Computer Engineering, Telecommunication, or a related field. Minimum 8 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. ## At a glance - Posted by the employer: Oct 17, 2026 - First seen by OpenNash: Oct 11, 2026 - Last checked: Oct 18, 2026 - Listed for: 7 days - Location: China - Shenzhen[Apply on Lumentum Holdings’s careers site →](https://lumentum.wd5.myworkdayjobs.com/LITE/job/China---Shenzhen-Futian/Engineer-Staff--Firmware_20261291) ## More jobs at Lumentum Holdings ### [Embedded Software DevSecOps Engineer (Co-op Student)](https://jobs.opennash.com/companies/lumentum-holdings/jobs/42f0ac6861d2fdf4564e/) Canada - Ottawa ### [Embedded Software Developer Co-op (Optical Circuit Switch)](https://jobs.opennash.com/companies/lumentum-holdings/jobs/66f9778dd34bc2091465/) Canada - Ottawa ### [Embedded Software Engineer Co-op/Intern](https://jobs.opennash.com/companies/lumentum-holdings/jobs/c5c640ce34459c52fcd2/) Canada - Ottawa ### [Engineer for new coater/developer at TAK](https://jobs.opennash.com/companies/lumentum-holdings/jobs/1589f5803642692aafd6/) Japan - Tokyo ## Similar jobs at other companies ### [Senior Staff Firmware Engineer, Firmware Engineering](https://jobs.opennash.com/companies/sandisk/jobs/87c7578491bc6b5b905f/) Sandisk ### [Firmware Engineer, Staff](https://jobs.opennash.com/companies/qualcomm/jobs/b3d0e93081d96fb0ce6f/) Qualcomm · Toronto, Ontario, Canada ### [Staff Engineer - Camera Firmware](https://jobs.opennash.com/companies/qualcomm/jobs/b8c66351440aded40952/) Qualcomm · Hyderabad, Telangāna, India ### [Staff Engineer Firmware: UEFI](https://jobs.opennash.com/companies/lenovo-group/jobs/cfba61fca8a81771a014/) Lenovo Group · India, Karnataka, BANGALORE ### [Staff Firmware Engineer - BMC](https://jobs.opennash.com/companies/lenovo-group/jobs/fbd324453f2ec5199cb1/) Lenovo Group · Taiwan, Taipei City, Taipei OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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