Customer Support Engineer III

Kokusai Semiconductor Equipment Corporation is a global leader in advanced thermal processing systems and enabling semiconductor technologies, including Diffusion and CVD.

We are committed to technical excellence, professional growth, and diversity in the workplace.

At Kokusai Semiconductor Equipment Corporation (KSEC), the Customer Support Engineer III provides advanced preventive and corrective maintenance support for diffusion and CVD equipment, serving as the primary technical authority at assigned customer sites. This position specifically covers the US nationwide. Domestic travel to multiple customers required.

This role is ideal for engineers who value structured service environments, disciplined troubleshooting, and meaningful technical impact.

• A.S. or B.S. Mechanical, Electrical, Mechatronics, or related engineering graduates
• 5 + years semiconductor equipment service experience
• Strong diagnostic capability with documented, systematic troubleshooting approach
• Deep understanding of preventive and corrective maintenance methodology
• Ability to communicate technical risks and solutions confidently
• Independent decision-making combined with disciplined escalation judgment
• Commitment to mentoring and elevating team capability
• Flexibility for travel (as needed) and schedule adjustments

• Lead structured preventive and corrective maintenance execution
• Diagnose and resolve complex mechanical and electrical issues using a systematic troubleshooting methodology
• Identify recurring issues and drive root cause analysis and long-term corrective actions
• Serve as primary customer technical liaison, clearly communicating risks, status, and mitigation plans
• Act as site-level escalation resource for advanced technical challenges
• Coordinate effectively with global engineering and factory resources when required
• Mentor early-career engineers and technicians, supporting structured upskill development
• Contribute to documentation improvements and knowledge capture efforts
• Support installation and removal activities as required

• Defined customer scope with clear authority
• Respect for engineering judgment and technical decision‑making
• Opportunity to eliminate systemic issues not just repair symptoms
• Structured collaboration with global experts when escalation is required
• Clear performance expectations and ownership of site stability

• Prefer solving systemic issues instead of repeatedly fixing symptoms
• Value structured troubleshooting and disciplined execution
• Take ownership of site stability and long-term equipment performance
• Communicate technical risk clearly and confidently
• Enjoy mentoring engineers and elevating overall team capability
• Appreciate defined scope, clear expectations, and accountability
• Balance independent decision‑making with thoughtful escalation
• Want your experience to influence outcomes not just close tickets

• Travel: 90%
• Work Model:
  Phoenix, AZ area

Salary Range: $93.6K-$124K. Description, based on experience, qualification’s location, and level. In addition to a comprehensive benefits package, candidates may be eligible for other forms of compensation.

Kokusai is an Equal Opportunity Employer committed to diversity in the workplace. All qualified applicants will receive consideration for employment without regard to race, color, national origin, citizenship, ancestry, religion, creed, sex, sexual orientation, gender identity, age, disability, veteran or military status, or any other basis prohibited by law.