Full time

Semiconductor Laser Product Engineer

Posted by Lumentum • Sagamihara, Kanagawa, Japan

📍 Sagamihara, Kanagawa 🕒 March 01, 2026

About the Role

It's fun to work in a company where people truly BELIEVE in what they're doing!

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 too...
  • Ready to Apply?

    Submit your application today and take the next step in your career journey with Lumentum.

    Apply Now