[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Lumentum Holdings jobs](https://jobs.opennash.com/companies/lumentum-holdings/) · [Search jobs](/search/) Lumentum Holdings · Japan - Sagamihara # Director, Back-End Engineering Japan - Sagamihara Full-time Director Executive & Management Listed on Lumentum Holdings’s official careers site. Posted October 13, 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/Director--Back-End-Engineering_2026135) [OpenNash Jobs](https://jobs.opennash.com/) / [Lumentum Holdings](https://jobs.opennash.com/companies/lumentum-holdings/) / Director, Back-End Engineering ## 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! ### Job Description At present, the market demand of ultra-high-speed Laser Chip is remarkably increasing from viewpoint of dramatical deployment to not only Mega Data Center but rapid growth for AI/ML application. To address the worldwide demand, Lumentum is operating Fab under 7x24 operation to produce state-of-the-art chip production. This applicant should have a high-level role and responsibility on the Back-End (BE) Engineering team as a Director Job level for leading huge volume Chip Mass Production like over 20-30millionn pcs level per quarter. ### Responsibilities Lead to support of Fab operation for huge volume Laser Chip Mass Production line as BE Engineering team as Director job level management. High knowledge and sufficient experience in terms of BE technology and/or Fab operation. Chip production line p rocess s etup and its aggressive i mprovement (TTR: Test Time Reduction etc) Chip yield improvement and production line capacity ramp up by strategical planning (KAIZEN, Capex) and its execution. Deployment and utilize effective KPI metrics (CT, TAKT, LT) to improve BE production line efficiency. Fluent Japanese speaker for leading and managing of Fab and business level English speaking skill for high-level presentations. ### Expected Background BSc, MSc, PhD degree in electronics, electrical engineering, physics, or a related equivalent technical field. Bachelors and 20+ years of work experience, Masters and 15+ years of work experience. PhD and 10+ years of work experience s. ### Expected Skill Highly recommend if applicant have experience in manager class in the Semiconductor Fab or Chip design and/or process development for semiconductor optical devices. 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: Oct 13, 2026 - First seen by OpenNash: Oct 18, 2026 - Last checked: Oct 18, 2026 - Listed for: 5 days - Location: Japan - Sagamihara - Employment type: Full-time[Apply on Lumentum Holdings’s careers site →](https://lumentum.wd5.myworkdayjobs.com/LITE/job/Japan---Sagamihara/Director--Back-End-Engineering_2026135) ## More jobs at Lumentum Holdings ### [Back-end Tool Maintenance Engineer](https://jobs.opennash.com/companies/lumentum-holdings/jobs/0d7e53362c750d4069ab/) Japan - Sagamihara ### [Chip Mfg Operator](https://jobs.opennash.com/companies/lumentum-holdings/jobs/9db1ad0d1483fdc0447d/) Japan - Sagamihara ### [Chip Process Tool Maintenance Technician](https://jobs.opennash.com/companies/lumentum-holdings/jobs/1511ee0916eb27c254ba/) Japan - Sagamihara ### [EHS Manager](https://jobs.opennash.com/companies/lumentum-holdings/jobs/79a3496e3e3beda08205/) Japan - Sagamihara ## Similar jobs at other companies ### [Software Engineering (Back-End Developer BluViu)](https://jobs.opennash.com/companies/cargill/jobs/effc98abdd5b79cbe730/) Cargill · Bengaluru, India ### [Sr. Director, Back-End Engineering](https://jobs.opennash.com/companies/coupang/jobs/564bbb3ea67accfc3bfc/) Coupang · Seoul ### [Desarrolador Back End Java](https://jobs.opennash.com/companies/ntt/jobs/e83dcdfd792eccbe77ea/) NTT · Quito, Ecuador ### [Desarrollador de back-end - GCP](https://jobs.opennash.com/companies/ntt/jobs/40f1b02fe4514572094c/) NTT · Temuco, Chile OpenNash lists jobs from employers’ own careers sites and does not handle applications. Dates come from the employer where stated; “first seen” and “last checked” are our own observations. OpenNash Jobs · Official listings with dates and links to the employer. [Weekly hiring report](/reports/hiring/) · [Methodology](/methodology/)