KLA Careers

Technical Support Engineer

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Company Overview

Calling the adventurers ready to join a company that's pushing the limits of nanotechnology to keep the digital revolution rolling. At KLA, we're making technology advancements that are bigger—and tinier—than the world has ever seen.

Who are we?  We research, develop, and manufacture the world's most advanced inspection and measurement equipment for the semiconductor and nanoelectronics industries. We enable the digital age by pushing the boundaries of technology, creating tools capable of finding defects smaller than a wavelength of visible light. We create smarter processes so that technology leaders can manufacture high-performance chips—the kind in that phone in your pocket, the tablet on your desk and nearly every electronic device you own—faster and better. We're passionate about creating solutions that drive progress and help people do what wouldn't be possible without us.  The future is calling. Will you answer?


The Global Service Support Organization (GSS) team headquartered in Milpitas, CA is our service organization that consists of Service Sales and Marketing, Spares Supply Chain management, Field Operations, Product Training, and Technical Support.  The GSS organization partners with our field teams and customers in all business sectors to maintain the high performance and productivity of our products through a flexible portfolio of services. Our comprehensive services include: proactive management of tools to identify and improve performance; expertise in optics, image processing and motion control with worldwide service engineers, 24/7 technical support teams and knowledge management systems; and an extensive parts network to ensure worldwide availability of parts.


Technical Support Engineer (TSE) respond to complex issues where first-line product support has been unable to isolate or fix problems in malfunctioning equipment. Works on complex problems where analysis of situations and/or data requires an in-depth evaluation of various factors. Exercises judgment within broadly defined practices and policies in selecting methods, techniques, and evaluation criterion for obtaining results. Provides Plan of Action (POAs) or if the depth of technical understanding requires, consults with other engineering teams, host meetings of multiple teams to discuss the technical issues in detail and determine the best course of action. Must be able to clearly document troubleshooting processes and technical findings in order to provide service and postmortem reports.

 Additional responsibilities may include:

  • Be capable to support worldwide dispatch, work independent in overall capability to support on site repair, installation/ relocation/field upgrade or engineering project, diagnose and solve the problem, submit daily passdown/reports which corresponds symptoms with data/information for remaining issues in escalation. Join service alert meeting to discuss next action plan with worldwide TSE/engineering team.   
  • Responsible for providing technical support to field engineers and product support who are diagnosing, troubleshooting, repairing and debugging complex electro/mechanical/optical equipment, computer systems and/or complex software via phone/email POA, host the service alert meeting, etc.
  • Assist engineering projects in the regions to support company business growth.
  • Make service and postmortem reports. Develop troubleshooting, training procedures and best known methods (BKMs).
  • Reporting design, reliability and maintenance problems to the appropriate engineering team
  • Training of KLA and non KLA personnel
  • Communication: Attend misc. internal and customer meeting in effective way for problem solving


  • Masters with 1+ years, or Bachelors with 2-4 years of experience or equivalent combination of education and experience in engineering applications.
  • Experience in project management, conflict interest management, leading/driving multi-disciplined teams to resolve complex issues
  • Proven ability of quickly diagnosing problems through analysis of inspection reports, system log files, system parametric diagnostic data and other test results, and provide solutions 
  • No restrictions to travel worldwide to any country where KLA Surfscan systems are located.
  • Location: Yokohama is preferred. Other city close to customer fab is ok.
  • SFS CSE expereince is plus. Other product CSE cross train is next priority. New hire is the last option. Internal candidate first.
  • Average travel 40% in average including misc. training and field support, etc.
  • Optional: Any item below is plus, 
  • Optics field align background
  • Mech-Electronics controls diagnostics background
  • Excel macro/code developing for log analysis
  • Python
  • Database developing for production

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