Semiconductor Laser Product Engineer - Japan - Sagamihara, Japan

Originally posted 16 September 2026 by the employer — open 5 days.

This role focuses on DFB lasers and electro-absorption modulator integrated lasers.

About the role

This role is for a Product Engineering Manager or Technical Expert focused on semiconductor lasers. The position involves working with DFB lasers and electro-absorption modulator integrated lasers.

What you'll do

• 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.
• Establish engineering standards and process-control methods.
• Lead cross-functional improvement projects with R&D, Manufacturing, Quality, and Equipment teams.

What you'll need

• Bachelor’s, master’s, or doctoral degree in science or engineering.
• Strong interest in semiconductor devices, optoelectronics, manufacturing, or data science.
• Experience with data analysis tools (Excel, Python, JMP).
• 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).

Nice to have

• 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.

Skills: semiconductor laser, characterization, performance analysis, failure analysis, yield improvement