[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 # IT Engineer, Manufacturing Systems Japan - Sagamihara IT & Infrastructure 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/IT-Engineer--Manufacturing-Systems_2026839) [OpenNash Jobs](https://jobs.opennash.com/) / [Lumentum Holdings](https://jobs.opennash.com/companies/lumentum-holdings/) / IT Engineer, Manufacturing Systems ## 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 MES (Manufacturing Execution Systems) maintenance and enhancement: Implement, support, and optimize the MES to improve manufacturing efficiency, quality, and traceability. Collaborate with manufacturing and engineering teams to identify requirements, troubleshoot issues, and ensure seamless integration between the MES and other related systems. Monitor and optimize MES performance and system availability. Work closely with cross-functional teams to streamline business processes and improve operational efficiency through MES capabilities. Coordinate with external vendors or development partners for system enhancements and support activities. Supporting manufacturing activities from IT point of view Retrieve and analyze manufacturing data to support production management and decision-making. Configure and maintain client devices, including PC, tablets, handheld, and label printers. Provide user support and training for manufacturing-related IT systems. ### Responsibilities Operate and maintain the MES under the supervision of the IT Manager. Support manufacturing operations through effective use of IT systems. Ensure stable operation of manufacturing IT infrastructure and applications. Expected Background Experience in MES implementation, operation, or support within the semiconductor manufacturing industry. Experience coordinating and negotiating with production, engineering, and cross-functional teams. Experience working with outsourced vendors or system integrators is preferred. Expected Skill Ability to document business requirements and software specifications for outsourced developers. Basic programming skills (Visual Basic, ASP.NET, Java, Python, etc.). Basic knowledge of networking and Windows operating systems. Basic database knowledge (SQL Server, Oracle, etc.). English communication skills (TOEIC 500+ or equivalent). 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/IT-Engineer--Manufacturing-Systems_2026839) ## More jobs at Lumentum Holdings ### [IT Manager, Manufacturing Systems](https://jobs.opennash.com/companies/lumentum-holdings/jobs/136edf8bba0e1907bd9b/) Japan - Sagamihara ### [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 ## Similar jobs at other companies ### [Consulting Engineer for High Automation Complex Manufacturing Systems](https://jobs.opennash.com/companies/siemens/jobs/2f75e0f948f2e18b4984/) Siemens ### [Principal Manufacturing Systems Engineer/Sr. Principal Manufacturing Systems Engineer](https://jobs.opennash.com/companies/northrop-grumman/jobs/df788fdd4942a862eff7/) Northrop Grumman ### [Manufacturing Execution Systems (MES) Manager - Syncade](https://jobs.opennash.com/companies/accenture/jobs/d50e93173e7971e5a59c/) Accenture ### [Manufacturing Execution Systems (MES) Manager | PAS-X](https://jobs.opennash.com/companies/accenture/jobs/8d36f064a2e480e904d0/) Accenture ### [Strategic Student Program: Cross-Domain Manufacturing Systems Engineering Intern (T&I, Spring 2027)](https://jobs.opennash.com/companies/siemens/jobs/ee9d239af00a6ea47e5b/) Siemens OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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