Technical Support Engineer - Ebeam or High Vacuum

About the role

KLA, a global leader in electronics for the semiconductor manufacturing ecosystem, is hiring a Technical Support Engineer in Chandler, Arizona, within its KLA Services organization. The role covers Ebeam and High Vacuum tools, including procedure validation, escalation handling, follow-the-sun support and customer case intake.

Key responsibilities

• Review and validate technical procedures (e.g., eSL10, eDRX1) on in-house tools before production deployment, ensuring clarity, accuracy and safety in Issue Correction Requests (ICRs).
• Own the full lifecycle of ICRs, coordinating tool validation, stakeholder communication and post-release reviews.
• Lead technical escalations by identifying root causes and executing structured Plans of Action (POAs) with engineering and service teams.
• Take part in Follow-the-Sun support programs (5x24 or 7x24) and ensure consistent handoffs across global hubs.
• Maintain documentation of tool issues, fixes and best practices, and contribute to internal knowledge bases and training materials.
• Interface with field teams and customers to intake support cases and gather logs, problem statements and target metrics.
• Build technical knowledge of E-Beam subsystems (TMAC, ASC, CSSI, RAID) and support diagnostics.

Required profile

• At least 5 years of semiconductor metrology tool maintenance experience.
• Ability to travel domestically and internationally at least 30% of the time.
• Minimum of 5 years of related experience with a bachelor's degree, or 3 years with a master's degree, or equivalent experience.
• Strong project management skills are a plus.

Required skills

• Hands-on experience with hardware and software integration, testing and troubleshooting in semiconductor wafer inspection systems is an advantage.
• Excellent data analysis and diagnostic skills, and good presentation and communication skills.
• Proficiency with Windows Office applications such as Excel, PowerPoint and Power BI.
• Highly preferred: hands-on experience with E-Beam products, High Vacuum experience and basic knowledge of electron beam microscopy.

What we offer

• Base pay of $37.02 to $62.94 per hour.
• Possible performance incentives and benefits such as medical, dental, vision, life insurance, 401(k) with company matching, ESPP, tuition reimbursement, EAP, paid time off and family care leave.