Customer Support Engineer III

CUSTOMER SUPPORT ENGINEER IIIKokusai 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 FORA.S. or B.S. Mechanical, Electrical, Mechatronics, or related engineering graduates5 + years semiconductor equipment service experienceStrong diagnostic capability with documented, systematic troubleshooting approachDeep understanding of preventive and corrective maintenance methodologyAbility to communicate technical risks and solutions confidentlyIndependent decision-making combined with disciplined escalation judgmentCommitment to mentoring and elevating team capabilityFlexibility for travel (as needed) and schedule adjustmentsWhat You’ll DoLead structured preventive and corrective maintenance executionDiagnose and resolve complex mechanical and electrical issues using a systematic troubleshooting methodologyIdentify recurring issues and drive root cause analysis and long-term corrective actionsServe as primary customer technical liaison, clearly communicating risks, status, and mitigation plansAct as site-level escalation resource for advanced technical challengesCoordinate effectively with global engineering and factory resources when requiredMentor early-career engineers and technicians, supporting structured upskill developmentContribute to documentation improvements and knowledge capture effortsSupport installation and removal activities as requiredWhat Experienced Engineers Appreciate HereDefined customer scope with clear authorityRespect for engineering judgment and technical decision-makingOpportunity to eliminate systemic issues — not just repair symptomsStructured collaboration with global experts when escalation is requiredClear performance expectations and ownership of site stabilityYou’ll Thrive Here If You…Prefer solving systemic issues instead of repeatedly fixing symptomsValue structured troubleshooting and disciplined executionTake ownership of site stability and long-term equipment performanceCommunicate technical risk clearly and confidentlyEnjoy mentoring engineers and elevating overall team capabilityAppreciate defined scope, clear expectations, and accountabilityBalance independent decision-making with thoughtful escalationWant your experience to influence outcomes—not just close ticketsAdditional InformationTravel: 90%Relocation Eligible: YesWork Model: Phoenix, AZ areaCompensationSalary 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.To apply, please send your resume to KSEC.jobs@kokusai-electric.comPlease specify reference number 1098