Lumentum

Laser Design Engineer

Japan - Sagamihara

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hirly's read of this role

Seniority: Mid level
Country: JP
Work mode: On-site / unstated
First seen by hirly: 27 Sept 2026

Derived automatically from the posting. Upload your resume above to see how the role scores against it.

the posting

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.

Original posting on Lumentum's site ↗

Listed on hirly, a job board. hirly is not the employer: Lumentum is hiring for this role.