Principal Responsibilities:
• Provide mentorship, and coaching to technical support

• Lead and coordinate technical support for assigned China+1 customers, ensuring timely response and effective issue resolution.
• Lead troubleshooting, process optimization, root-cause analysis, and corrective or preventive actions for chemical processes and equipment

• Plan and lead new project start-ups, trials, qualifications, and equipment installations, including Polygon-PLB and Uniplate projects
• Coordinate technical resources and provide functional guidance, coaching, and knowledge transfer to dedicated engineers supporting assigned accounts
• Serve as the principal technical-management interface with Chinese-speaking customer management and technical teams.
• Collaborate with Sales, Business Development, Product Management, Equipment, Laboratory, Supply Chain, and regional/global technical teams.
• Build strong customer relationships, identify technical risks and opportunities, and support retention and profitable growth of existing and new business.

Required Skills:
• Bachelor’s degree or higher in Chemical Engineering, Chemistry, Materials Science, Electrical Engineering, Mechanical Engineering, or a related technical discipline.

• Relevant experience in technical service, process engineering, equipment support, or project execution within the PCB, electronics, plating, or surface-finishing industry.

• Demonstrated ability to lead technical activities, coordinate engineers, and manage customer-facing projects.

• Strong troubleshooting, analytical, project coordination, and problem-solving skills.

• Professional working proficiency in Chinese and English; Thai-language capability is an advantage.

• Strong communication and relationship-management skills, with willingness to travel regularly and provide onsite support in Prachinburi.

Competency on job holder
• Customer focus and relationship management

• Technical leadership and sound decision-making

• Cross-functional collaboration and stakeholder management

• Clear communication across Chinese, English, and multicultural working environments

• Ownership, urgency, and disciplined follow-through

• Coaching, knowledge transfer, and continuous improvement

• Safety, quality, and compliance mindset

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: accommodationsatMKS@mksinst.com .

If applying for a specific job, please include the requisition number (ex: RXXXX), the title and location of the role