Semiconductor Laser Product Engineer

Lumentum Operations LLC

Apply to this job
Japan - Sagamihara Until 8/22/2026 H-1B sponsor history First posted January 28, 2026 Last posted February 12, 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:

As a product engineer for semiconductor lasers (including DFB lasers and electro-absorption modulator integrated lasers), you will be engaged in the following activities:

  • Device characterization and performance analysis
  • Data-driven process improvement and yield enhancement
  • Root cause investigation and failure analysis
  • Statistical analysis and trend monitoring
  • (Depending on skill level) Development of data models or analysis automation, including machine learning.

Expected Background:

  • BSc, MSc, or PhD degree in a science or engineering discipline
  • Strong interest in semiconductor or optoelectronic devices, manufacturing, or data science
  • Logical, analytical thinker with persistence in tackling complex technical challenges

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:
    • Research or hands-on experience with semiconductor processes, optical devices, or electronic device characterization
    • Practical experience in yield management, quality improvement, or process optimization in manufacturing
    • 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.

About this role

Summary

Engineer for semiconductor lasers focusing on device characterization, data analysis, process improvement, and failure analysis.

Job title

Semiconductor Laser Product Engineer

Experience level

BSc, MSc, or PhD in science or engineering

Industry

semiconductor

Location requirements

Sagamihara, Japan; remote work not specified

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

data analysis toolsExcelPythonstatistical analysisdata visualizationJapaneseEnglish

Preferred skills

semiconductor processesoptical deviceselectronic device characterizationyield managementquality improvement

Specializations

semiconductor lasersdata analysisoptical devicesmanufacturingdata science
Locations

Structured locations inferred from the posting.

Sagamihara, Kanagawa, Japan

On-site City