Laser Semiconductor Engineer

Lumentum

📍 Sagamihara, Kanagawa, Japan

Full time Engineers Posted February 24, 2026

Job Description

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

Main Responsibilities

  • Develop core technologies for next-generation optical devices that enable advanced performance and/or scalable architectures.
  • Proactively propose new ideas and concepts, and lead development activities by collaborating with and engaging relevant internal stakeholders.
  • Alternatively, contribute as a deep technical specialist by continuously advancing expert knowledge in a specific domain and disseminating it within the organization.
  • Respond to rapid changes in the industry by flexibly adapting development strategies and technical directions as needed.
  • Bridge advanced device concepts with practical packaging by considering manufacturability and long-term scalability.
  • Collaborate across functions such as device design, process engineering, and evaluation to accelerate technology development.
  • Contribute to shaping ...