Principal Transceiver Firmware Engineer (Engineer Principal, Firmware) – Lumentum Operations LLC

Lumentum (NASDAQ: LITE) is a market-leading manufacturer of innovative optical and photonic products enabling optical networking and commercial laser customers worldwide. Lumentum’s optical components and subsystems are part of virtually every type of telecom, enterprise, and data center network. Lumentum’s commercial lasers enable advanced manufacturing techniques and diverse applications including next-generation 3D sensing capabilities. Lumentum is headquartered in Milpitas, California with RD, manufacturing, and sales offices worldwide. For more information, visit

Lumentum is an Equal Opportunity Employer, EOE/Minorities/Females/Veterans/Disability

Job Description:
We are seeking an insightful, talented, dedicated Firmware Engineer to contribute to our fast paced and dynamic RD Firmware Engineer Development Team. The successful candidate will be primarily developing “C” code in that runs with high reliability on challenging real-time environments. The candidate is also expected to develop appropriate test code to perform “unit testing” of their firmware prior to delivery of released firmware to a verification team. You will be working across almost all of our key product lines in this critical position. This position has growth potential with a company that is leading the market, and headed in the right direction. A fun place to be!

M Eng Sc or BS with minimum of 5 years of experience.

Proficient in C

Proficient in Real Time Design of firmware algorithms.

Proficient in the use configuration management tools.

Proficient in using electronic measuring test tools, designing methods for testing “real time” performance of firmware timings.

Candidate with the following experience are desired (but not absolutely required)

Prior Knowledge of Optical Transceivers management standards

Direct experience with writing FW on small CPU’s (ARM7, Coretex M3)

Experience with developing firmware for real-time I2C, SPI, MDIO protocols.

Direct experience and ability to read schematics and control of hardware.

PID control implementation in Firmware.

Good communication skills, written and verbal.

Primary Location



Work Locations


Milpitas-HQ, CA USA

400 N McCarthy Blvd





Firmware Engineer







Employee Status



Job Type



Job Level


Individual Contributor



Yes, 5 % of the Time

Job Posting


Mar 3, 2017, 9:31:14 AM