Customer Support Engineer III

Kokusai Semiconductor Equipment Corporation; Phoenix (AZ); On-site; USD 94,000 - 124,000; Full time

Job summary

Kokusai Semiconductor Equipment Corporation in Phoenix, AZ is seeking a Customer Support Engineer III to provide advanced preventive and corrective maintenance for diffusion and CVD equipment across the US.

The role requires a strong diagnostic mindset, concise communication of risks, and a commitment to mentoring junior engineers; travel up to 90% and collaboration with global engineering teams will be expected.

Qualifications

• Requires A.S. or B.S. in Mechanical, Electrical, or Mechatronics.
• Minimum 5+ years of semiconductor equipment service experience.
• Strong diagnostic and troubleshooting methodology.
• Ability to mentor and train junior staff.

Responsibilities

• Lead preventive and corrective maintenance execution at customer sites.
• Diagnose complex mechanical and electrical issues with structured troubleshooting.
• Perform root cause analysis and implement long-term corrective actions.
• Serve as primary customer technical liaison and escalation resource.
• Coordinate with global engineering and factory resources.
• Support installation/removal activities as required.

Skills

Diagnostic skills

Systematic troubleshooting

Technical communication

Mentoring

Travel readiness

Education

AS/BS in Mechanical or Electrical

Job description

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.

WHAT THIS ROLE IS DESIGNED FOR AND WHAT WE ARE LOOKING FOR

• 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

What You’ll Do

• 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

What Experienced Engineers Appreciate Here

• 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

You’ll Thrive Here If You

• 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

Additional Information

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

Compensation

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.