Semiconductor Laser Product Engineer

lumentum· Lumentum Japan, Inc.
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📍 Japan - SagamiharaFull time

About this role

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:

We are seeking a Product Engineering Manager or Technical Expert for semiconductor lasers, including DFB lasers and electro-absorption modulator integrated lasers.

  • Lead semiconductor laser characterization, performance analysis, and failure analysis.
  • Improve processes, product quality, and yield using data-driven methods.
  • Conduct statistical analysis and monitor performance trends.
  • Develop analysis automation, data models, and machine-learning applications as needed.
  • Establish engineering standards and process-control methods.
  • Lead cross-functional improvement projects with R&D, Manufacturing, Quality, and Equipment teams.

Expected Background:

  • Bachelor’s, master’s, or doctoral degree in science or engineering.
  • Strong interest in semiconductor devices, optoelectronics, manufacturing, or data science.
  • Logical and analytical thinking skills, with persistence in solving complex technical problems.

Expected Skill:

  • Experience with data analysis tools (Excel, Python, JMP, etc.)
  • Basic knowledge of statistical analysis and data visualization
  • Fluent Japanese speaker and Basic communication skills in English (reading/writing and participating in online meetings or email discussions)
  • Preferred Skills:
    • Experience with semiconductor processes, optical devices, or electronic-device characterization.
    • Experience in yield management, quality improvement, or manufacturing process optimization.
    • Experience in root-cause analysis and structured problem-solving.
    • Experience developing data models or automated analysis tools.
    • Practical experience in yield management, quality improvement, or process optimization in manufacturing

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.

Frequently Asked Questions

Is the salary disclosed for the Semiconductor Laser Product Engineer position at lumentum?
The salary for this Semiconductor Laser Product Engineer role at lumentum is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Semiconductor Laser Product Engineer position at lumentum located?
This Semiconductor Laser Product Engineer role at lumentum is based in Japan - Sagamihara. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Semiconductor Laser Product Engineer role at lumentum full-time or part-time?
This is listed as a Full time position. It is posted as a Semiconductor Laser Product Engineer role in the Lumentum Japan, Inc. department at lumentum.
Which team or department does the Semiconductor Laser Product Engineer at lumentum belong to?
This Semiconductor Laser Product Engineer position is part of the Lumentum Japan, Inc. department at lumentum. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Semiconductor Laser Product Engineer position at lumentum?
Click the "Apply Now" button on this page. You will be redirected to lumentum's official application portal hosted on workday where you can submit your application directly.
When was the Semiconductor Laser Product Engineer job at lumentum posted?
This Semiconductor Laser Product Engineer position at lumentum was posted on Sep 17, 2026. Apply as soon as possible — early applications are often reviewed first.
Semiconductor Laser Product Engineer
lumentum
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You'll be redirected to lumentum's official application page on Workday.