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The Test Engineer is responsible for developing, maintaining, and optimizing electrical and optical test processes for semiconductor laser devices within a high‑volume manufacturing environment. This role ensures product performance, yield, and reliability meet customer and internal requirements. The engineer works cross‑functionally with Process Engineering, Process Integration, Quality, and Operations to drive continuous improvement.
Key Responsibilities
- Develop and validate electrical/optical test methods for laser diodes and other photonic devices.
- Define test plans, measurement conditions, and data structures for technology development and new product introductions.
- Characterize device performance including L-I-V curves, threshold current, slope efficiency, wavelength, spectrum, beam quality, and polarization.
Required Qualifications
- Bachelor’s or Master’s degree in Electrical Engineering, Physics, or related field.
- 5+ years experience in semiconductor test, photonics, or laser diodes.
- Understanding of laser diode physics, optoelectronic measurement methods, and semiconductor device behavior.
- Proficiency in programming or automation (Python, LabVIEW, MATLAB, or similar).
- Strong problem-solving skills and ability to lead cross-functional teams.
- Knowledge of reliability testing (HTOL, TC, HAST, WHTOL) for optoelectronic components.
Salary Range
The salary range for this position is $100,000 – 140,000USD.
Final compensation will be determined based on factors such as experience, skills, and qualifications.
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.
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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