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!
Job Responsibilities
- Develop embedded firmware for optical modules (e.g., QSFP-DD, OSFP, CFP).
- Develop software tools to support efficient debugging, validation, and lab testing.
- Support cross-functional teams in firmware verification, validation, and troubleshooting, including RMA analysis of field issues.
- Maintain and enhance the firmware codebase, including documentation, version control, and firmware upgrade management.
- Collaborate closely with hardware, optics, and test engineering teams to ensure product performance, reliability, and compliance with specifications.
Qualifications and requirements
- Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, Automation, Telecommunications, or a related field.
- Minimum 2 years of hands-on experience in embedded firmware development.
- Strong proficiency in C programming for MCU and embedded systems.
- Experience with Git or similar version control systems.
- Experience with at least two development environments such as SEGGER, IAR, Keil, CrossWorks, or GCC.
- Solid understanding of communication interfaces such as I²C, SPI, and MDIO.
- Experience with Python or C# for developing tools, GUIs, or test scripts.
- Good English proficiency for reading technical specifications, IC datasheets, and writing documentation.
- Strong communication and teamwork skills, with the ability to collaborate across functions.
- Experience in assembly language programming is a plus.
- Basic knowledge of circuit design and PCB layout is a plus.
- Experience in closed-loop control algorithm development is a plus.
- Familiarity with RTOS or multi-threaded firmware architectures is a plus.
- Familiarity with optical communication standards (e.g., CMIS 3.0–5.x, SFF-8636) is a plus.
- Familiarity with CFP, QSFP, and OSFP specifications and protocols is a plus.
- Understanding of coherent and PAM4 optical modules (active and passive) is a plus.
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
- Bachelor's or Master's degree in Electrical Engineering, Computer Engineering, Automation, Telecommunications, or a related field
- At least 2 years of hands-on embedded firmware development experience
- Strong proficiency in C programming for MCU and embedded systems
- Experience with Git or similar version control systems
- Experience with at least two development environments, including SEGGER, IAR, Keil, CrossWorks, or GCC
- Understanding of I²C, SPI, and MDIO communication interfaces
- Experience with Python or C# for tools, GUIs, or test scripts
- English proficiency for technical specifications, datasheets, and documentation
- Strong communication and cross-functional teamwork skills
- Assembly language programming experience
- Basic circuit design and PCB layout knowledge
- Closed-loop control algorithm development experience
- Familiarity with RTOS or multithreaded firmware architectures
- Familiarity with optical communication standards such as CMIS 3.0–5.x and SFF-8636
- Familiarity with CFP, QSFP, and OSFP specifications and protocols
- Understanding of coherent and PAM4 optical modules
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.
