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Lumentum Holdings · Japan - Sagamihara

# Laser Semiconductor Engineer

Japan - Sagamihara Operations 

Listed on Lumentum Holdings’s official careers site. Listed as of October 18, 2026. Check that it is still open and apply there.
[Apply on Lumentum Holdings’s careers site →](https://lumentum.wd5.myworkdayjobs.com/LITE/job/Japan---Sagamihara/Laser-Semiconductor-Engineer_2026132)

[OpenNash Jobs](https://jobs.opennash.com/) / [Lumentum Holdings](https://jobs.opennash.com/companies/lumentum-holdings/) / Laser Semiconductor Engineer

## 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!

### 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 mid- to long-term technology directions based on technical insight and industry trends.

Qualification & Skills BSc, MSc, PhD degree in electronics, electrical engineering, physics, or a related equivalent technical field. Scientific experiment planning, execution, and analysis Documentation of experimental result and its analysis Fluent Japanese speaker and intermediate English skill Basic PC skills, such as MS Excel, PowerPoint, and Word 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.

## At a glance
- Posted by the employer: Not stated
- First seen by OpenNash: Jul 12, 2026
- Last checked: Oct 18, 2026
- Listed for: 98 days
- Location: Japan - Sagamihara[Apply on Lumentum Holdings’s careers site →](https://lumentum.wd5.myworkdayjobs.com/LITE/job/Japan---Sagamihara/Laser-Semiconductor-Engineer_2026132)

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