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Lumentum Holdings

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Wafer Mfg Tool Maintenance Technician

Sagamihara, JapanFull-timePosted Oct 13, 2026

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.

Description copied from Lumentum Holdings's careers page. Read the full posting before you apply.

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