hirly

Lumentum

Laser Semiconductor Engineer

Japan - Sagamihara

See how you match this job — and similar ones. Free.

Upload your resume and hirly scores it against this role at Lumentum first, then against similar open jobs, and shows where you fit and why.

PDF or DOCX, up to 12MB. No sign-up to see your matches.

Get past the screening software and onto a recruiter's desk

hirly rewrites your resume for this job — matching the keywords and skills in the posting, moving your most relevant experience to the top, and writing a cover letter to fit. About 30 seconds.

  • Keywords matched to this posting
  • Fit score before you apply
  • Cover letter included

Matched against 2.5M live jobs from 200,000+ employers in 200+ countries.

Tailor my resume for this job →

Apply from your AI assistant

Connect hirly to Claude and ask it to apply to this job. hirly tailors your resume, fills the employer’s form and asks before sending. ChatGPT: manual setup today.

Some employer sites stop an application at a CAPTCHA or sign-in and hand it back with a link. Applying needs a paid plan. Works with any assistant that supports MCP.

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 DFB laser structures for high optical output power, high efficiency, and high reliability based on semiconductor material physics and optical science.
  • Product design of DFB laser for yield improvement and cost reduction
  • Support stable volume production and continuous productivity improvement.
  • Design and fabricate the necessary parts for evaluation, such as submounts, as needed.
  • Evaluate fabricated chips, analyze evaluation data and prepare technical reports.
  • Attend a meeting to explain and discuss the 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 semiconductor such as InP material system and material physics.
  • Experience of semiconductor laser design and development , including high power DFB laser design, optical simulation, and thermal simulation, 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 ↗

Browse similar roles

Want this one?

Upload your resume and hirly rewrites it for this job and writes the cover letter — in about thirty seconds, before you sign up.

Tailor my resume for this job