Onto Innovation

Application Engineer

• Support semiconductor activities in Korea and other regions worldwide as needed
• Provide application support for metrology tools
• Set up new recipes and fine-tune existing recipes to improve performance
• Develop new applications and improve tool utilization
• Work with FSE to qualify new tool installations and troubleshoot issues
• Report activities and issues to direct managers, local management, and/or HQ support teams
• Participate in application-related JEP and special projects
• Develop Best-Known-Methods during preparation
• Transfer knowledge during field implementation
• Conduct field applications training during sustaining
• Serve as company liaison with customers on administrative and technical matters
• Collaborate with colleagues, headquarters applications teams, and regional teams
• Understand customer high-value problems and provide solutions
• Escalate customer pain points, complaints, and technology gaps
• Work with marketing and sales on business development

Applications Engineer, Level 1

Field Engineer

• Support advanced Metrology and Inspection systems
• Provide on-site support for installation, upgrades, calibration, maintenance, and repair of metrology and inspection tools
• Diagnose and resolve complex hardware and software issues independently or with engineering teams
• Manage escalations and critical customer situations
• Serve as the primary liaison between the factory and customers for performance data collection, reliability analysis, and satisfaction tracking
• Prepare detailed Field Service Reports documenting tool performance, issue resolution, and installation updates
• Deliver feedback to engineering teams on serviceability, reliability, and installation metrics
• Support beta programs at customer sites and engineering centers
• Provide technical phone support
• Participate in on-call rotations as required
• Serve as the primary technical contact for customers and ensure exceptional service and satisfaction

Field Service Engineer

• Execute installation and configuration of complex electro/mechanical equipment and software systems at customer sites
• Support ramp activities by performing installations under standard and escalated conditions
• Diagnose, troubleshoot, and resolve technical issues during installation and startup
• Collaborate with the Ramp Manager and field teams to meet installation schedules and milestones
• Ensure installations meet quality, safety, and performance standards
• Perform system validation, calibration, and testing to confirm operational readiness
• Document installation activities, issues, and resolutions according to company processes
• Provide feedback to engineering and product teams to improve installation procedures and product performance
• Maintain tools, equipment, and inventory required for installation activities
• Support customer interactions during installation with clear communication and professional representation
• Participate in training programs on new products, upgrades, and installation methodologies

Field Service Engineer 2

QA Engineer

• Support day-to-day quality and manufacturing activities at regional extended factories and key suppliers
• Evaluate supplier processes, equipment, controls, and manufacturing capability for consistency, repeatability, and scale
• Conduct on-site process audits, technical reviews, and build-readiness assessments for product transfers into mass production
• Lead improvement initiatives that reduce defects, improve yield, and increase process robustness
• Lead regional supplier readiness from early development through launch and high-volume production
• Drive APQP deliverables, including PFMEA, control plans, process flow diagrams, MSA, and capability studies
• Manage PPAP submissions for new components, assemblies, and critical processes
• Partner with R&D, Manufacturing Engineering, and Supply Chain to establish manufacturability and strong process controls
• Serve as the primary extended-factory customer-quality interface for regional Field Service teams on OBQ and DOA events
• Lead containment, root-cause analysis, and corrective action using 8D, 4D, or equivalent structured methods
• Support process qualification, validation, PFMEA, COPQ, and continuous improvement
• Maintain compliance with quality agreements, product specifications, and change-control requirements, including applicable CE requirements
• Manage Product Change Notifications (PCNs), including risk assessment and validation for supplier-driven changes
• Build trusted working relationships with local suppliers and extended factories
• Use KPIs and scorecards to identify risks, align improvement plans, and sustain accountability
• Facilitate technical reviews, supplier meetings, and quality reviews focused on quality, delivery, and operational excellence
• Provide technical guidance on manufacturability, quality standards, process controls, and complete NPI documentation
• Collaborate across time zones with Engineering, Operations, Service, Supply Chain, and Quality

Staff Quality Engineer

• Install, repair, and maintain Onto Innovation metrology and inspection products
• Install new tools within the European region, completing Engineering and Applications tasks
• Respond to down-tool situations within Europe
• Perform maintenance when required
• Provide requested documentation and feedback to the US factory
• Provide feedback to the sales team and help identify possible future sales leads
• Provide Applications feedback to support continual product improvement

• Provide highly visible customer support through on-site installation and diagnosis, troubleshooting, service, and repair of complex equipment and systems
• Serve as company liaison with customers on technical matters for assigned projects at the Hsinchu site, reporting to the Site Service Manager
• Analyze problems of moderate scope across a variety of factors
• Exercise judgment within defined procedures and practices to determine appropriate action
• Perform installation, repair, retrofits, upgrades, and preventive maintenance on customer-site equipment
• Maintain and manage an assigned installation equipment base, including primary support, forecasting, customer support meetings, and regular customer communication
• Travel to customer sites globally
• Deliver tool knowledge and BKM to customer sites from the mother fab
• Perform other duties as assigned

Field Service Engineer, Level 3

Research Scientist

• Join Onto Innovation’s advanced metrology and analytics research team operating across Singapore and the USA
• Develop data analytics and modeling solutions for X-ray metrology
• Design and create algorithms, physics-based models, machine learning approaches, and data fusion methodologies
• Characterize advanced semiconductor microelectronics accurately and robustly
• Interface with application scientists, product/program management, and marketing to understand customer requirements and technology gaps
• Develop concepts to address customer challenges and close technology gaps independently and within cross-functional teams
• Collect and analyze technical data and conduct literature reviews
• Propose new methodologies or improvements to existing solutions
• Conceptualize, design, prototype, and fine-tune algorithms
• Develop advanced algorithms for X-ray metrology data analysis, profile reconstruction, and parameter extraction
• Improve measurement accuracy, precision, robustness, and computational efficiency
• Create data fusion frameworks using complementary information from CD-SAXS, XRD, OCD, and other metrology sources
• Develop and execute test plans to verify algorithm performance, reliability, and production readiness
• Collaborate with product and software engineering teams to transition research concepts into production-ready solutions
• Publish technical papers and submit invention disclosures and patent applications

Applications Engineer, Level 1

Field Service Engineer

Field Service Engineer 2

Staff Quality Engineer

Field Service Engineer

Field Service Engineer, Level 3

Staff R&D Scientist