Field Service Engineer

We are seeking a highly motivated Field Service Engineer to support the installation, qualification, maintenance, and troubleshooting of advanced laser processing systems used in electronics and semiconductor manufacturing environments. This position will play a critical role in supporting customer success, equipment deployment, and ongoing service operations across Japan. Working closely with customers, project teams, and global engineering organizations, the successful candidate will help ensure maximum equipment performance, operational excellence, and long-term customer satisfaction.

Based in Yokohama, this role offers the opportunity to work with advanced manufacturing technologies, support leading manufacturers, and collaborate with global engineering teams in a dynamic and growing business environment.

Principal Responsibilities

• Install, qualify, maintain, and repair advanced manufacturing equipment at customer sites.
• Provide field service support for customer manufacturing operations, including frequent support activities at customer facilities throughout Japan.
• Troubleshoot equipment issues and drive timely resolution to minimize production downtime.
• Support equipment startup, production ramp-up, and continuous improvement activities.
• Build strong customer relationships and serve as a trusted technical advisor.
• Collaborate with global engineering and support teams to resolve complex technical issues.
• Maintain service records and ensure compliance with safety and quality standards.

Required Skills and Experience

• Technical College (KOSEN), Associate Degree, Bachelor's Degree, or equivalent practical experience in a technical discipline.
• 3+ years of experience in Field Service, Equipment Maintenance, Technical Support, or a related role.
• Experience supporting manufacturing, industrial, semiconductor, electronics, automation, or precision equipment.
• Troubleshooting and problem-solving skills.
• Customer-oriented mindset with communication skills.
• Native-level Japanese communication and Basic English communication skills.
• Ability and willingness to travel frequently to customer sites throughout Japan.

Others :

• Familiar with mass production systems, by means of laser processing technologies.
• Familiarity with Microsoft Excel and PowerPoint is preferred.
• Globally, our policy is to recruit individuals from wide and diverse backgrounds.
• However, certain positions require access to controlled goods and technologies subject to various export control regulations.
• Applicants for these positions may be limited (by, for example, their countries of citizenship, country of origin, or immigration status) where required by law or governmental contact, and/or employment made contingent upon the issuance of appropriate governmental licensing.
• MKS Inc. and its affiliates and subsidiaries (“MKS”) is an affirmative action and equal opportunity employer: diverse candidates are encouraged to apply.
• We win as a team and are committed to recruiting and hiring qualified applicants regardless of race, color, national origin, sex (including pregnancy and pregnancy-related conditions), religion, age, ancestry, physical or mental disability or handicap, marital status, membership in the uniformed services, veteran status, sexual orientation, gender identity or expression, genetic information, or any other category protected by applicable law.
• Hiring decisions are based on merit, qualifications and business needs.
• We conduct background checks and drug screens, in accordance with applicable law and company policies.
• MKS is generally only hiring candidates who reside in states where we are registered to do business.
• MKS is committed to working with and providing reasonable accommodations to qualified individuals with disabilities.
• If you need a reasonable accommodation during the application or interview process due to a disability, please contact us at: .

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