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Lumentum Holdings · Japan - Sagamihara

# Laser Semiconductor Engineer

Japan - Sagamihara Operations 

Listed on Lumentum Holdings’s official careers site. Listed as of October 18, 2026. Check that it is still open and apply there.
[Apply on Lumentum Holdings’s careers site →](https://lumentum.wd5.myworkdayjobs.com/LITE/job/Japan---Sagamihara/Laser-Semiconductor-Engineer_20261018)

[OpenNash Jobs](https://jobs.opennash.com/) / [Lumentum Holdings](https://jobs.opennash.com/companies/lumentum-holdings/) / Laser Semiconductor Engineer

## 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

Develop enhanced laser designs to improve existing products using semiconductor material physics and optical science. Support new product introduction (NPI), capacity ramp-up, and stable volume production. Product design of DFB laser for yield improvement and cost reduction Design and fabricate the necessary parts for evaluation, such as submounts, as needed. Evaluate fabricated chips, analyze evaluation data and prepare technical reports.

Provide customer technical support and present technical results Expected Background: BSc, MSc, PhD degree in electronics, electrical engineering, physics, or a related equivalent technical field. Bachelors and 6+ years of work experience, Masters and 4+ years of work experience. PhD. no relevant work experiences.

### Expected Skill

Knowledge of compound semiconductors such as InP material system and material physics. Experience of semiconductor laser design and development with at least 2-3 years’ experience. Experience of product design for yield improvement and cost reduction of semiconductor laser diode Experience in analyzing large volumes of experimental data using JMP or similar statistical analysis tools. Knowledge of semiconductor device reliability Fluent Japanese speaker and intermediate English skill Basic PC skills, such as MS Excel, PowerPoint, and Word Programming skills, such as Excel VBA/macros and Python, are preferred.

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: Not stated
- First seen by OpenNash: Oct 11, 2026
- Last checked: Oct 18, 2026
- Listed for: 7 days
- Location: Japan - Sagamihara[Apply on Lumentum Holdings’s careers site →](https://lumentum.wd5.myworkdayjobs.com/LITE/job/Japan---Sagamihara/Laser-Semiconductor-Engineer_20261018)

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