Laser Semiconductor Engineer

Lumentum Operations LLC

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Japan - Sagamihara Until 10/3/2026 6+ years exp H-1B sponsor history First posted August 4, 2026 Last posted August 4, 2026
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 a new EML design with semiconductor material physics, optical science, and high-speed design technology
  • Responsible for the stable volume production and the improvement of productivity from the early stage of development
  • Develop a new assembly technology of chips with high frequency simulation.
  • Evaluate chips adopting a new assembly technique, 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 experience.

Expected Skill:

  • Knowledge of compound semiconductor such as InP material system and material physics.
  • Experience of semiconductor laser design and development with at least 1-2 years’ experience are preferable.
  • Experience of product design for yield improvement and cost reduction of semiconductor laser diode are preferable.
  • High frequency simulation skill and knowledge of semiconductor device reliability
  • Experience in analyzing large volumes of experimental data using JMP or similar statistical analysis tools.
  • 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.

About this role

Summary

Develop laser semiconductor devices, improve productivity, and analyze experimental data.

Job title

Laser Semiconductor Engineer

Experience level

6+ years

Minimum experience

6+ years exp

Industry

semiconductor

Location requirements

Sagamihara, Japan; hybrid work allowed

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

compound semiconductorInPsemiconductor laser designhigh frequency simulationdata analysisJMPJapanese languagePowerPointWordExcel VBAPython

Preferred skills

semiconductor laser developmentyield improvementcost reductionreliability knowledgestatistical analysisEnglish

Specializations

semiconductor physicslaser designhigh frequency simulationmaterial physics
Locations

Structured locations inferred from the posting.

Sagamihara, Kanagawa, Japan

Hybrid City