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Lumentum Holdings · Japan - Sagamihara

# Wafer Mfg Tool Maintenance Technician

Japan - Sagamihara Skilled Trades & Maintenance 

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/Wafer-Mfg-Tool-Maintenance-Engineer_2026474)

[OpenNash Jobs](https://jobs.opennash.com/) / [Lumentum Holdings](https://jobs.opennash.com/companies/lumentum-holdings/) / Wafer Mfg Tool Maintenance Technician

## 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

Continuous improving and realizing activity for stable operation of existing Epitaxy & Wafer process production line. Making effective preventative maintenance (PM) plan and execution to stabilize and maximize the mass-production capability (Address to sudden tool troubles and malfunction). Wafer process condition check by collaborating with epitaxy & process engineering teams to resume the production line after fixing the tools.

KPI visualization activity of manufacturing tool data like utilization rate, tool availability etc. Anomaly detection both from predictive and post analysis from tool operation status database.

### Expected Background

Graduate technical college or above. BSc, MSc degree in electrical, mechanical engineering, or a relevant equivalent technical field.

### Expected Skill

Highly recommend if applicant have experience in charge of wafer process tools handling and maintenance and/or wafer epitaxy & process development for semiconductor optical devices. Fluent Japanese speaker. Better if can speak English and/or read the documents. 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/Wafer-Mfg-Tool-Maintenance-Engineer_2026474)

## More jobs at Lumentum Holdings

### [Back-end Tool Maintenance Engineer](https://jobs.opennash.com/companies/lumentum-holdings/jobs/0d7e53362c750d4069ab/)

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### [Chip Process Tool Maintenance Technician](https://jobs.opennash.com/companies/lumentum-holdings/jobs/1511ee0916eb27c254ba/)

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### [Chip Mfg Operator](https://jobs.opennash.com/companies/lumentum-holdings/jobs/9db1ad0d1483fdc0447d/)

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### [Director, Back-End Engineering](https://jobs.opennash.com/companies/lumentum-holdings/jobs/230cbbd9d604bc0ea2db/)

Japan - Sagamihara

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