Senior Process Engineer – Optical Fabrication

Job Summary

ASML Wilton is seeking a Senior Process Engineer to join the Optical Fabrication team with primary ownership of Generating & Polishing (GnP) processes.

Job Description

• Define and optimize process parameters
• Ensure removal rate stability
• Select consumables
• Understand machine behavior
• Manage polishing performance
• Conditioning strategies
• Coolant control
• Subsurface damage removal
• Control pitch and pad behavior
• Slurry delivery
• Plate geometry
• Pressure and weight control
• Other factors influencing removal rate, figure, roughness, and defectivity
• Establish strong process control
• Define process windows, capability targets, and long-term monitoring systems
• Use JMP or Minitab to identify variation, drift, and chronic stability risks
• Ensure processes are robust, documented, and repeatable
• Maintain process specifications, work instructions, and standard work
• Drive alignment across production and support teams
• Lead the introduction and qualification of new pad materials, slurry chemistries, pitch recipes, and machine upgrades
• Convert interferometry, profilometry, and surface inspection data into actionable decisions
• Collaborate daily with production technicians, supervisors, metrology, quality, equipment engineering, and maintenance
• Build process stability that prevents rework and FPY loss
• Detect and eliminate sources of variation impacting FPY and yield
• Lead structured RCA using statistical and analytical methods
• Ensure corrective actions are verified, embedded, and sustainable
• Own full 6P readiness for process, material, or equipment changes
• Proactively seek, evaluate, and integrate: deterministic process control methods, advanced metrology and insitu monitoring tools, next generation pad, pitch, slurry, and consumable technologies, equipment or software capabilities that improve stability, predictability, and throughput

Education and Experience

• BS, MS, or PhD in Mechanical, Optical, Materials, or related engineering field
• Minimum 5 years of experience in optical fabrication, precision machining, grinding, or polishing
• Experience in grinding mechanics, polishing processes, metrology interpretation, and process development
• Demonstrated ability in structured problem solving, data analysis, RCA, and process improvement

Skills

• Strong understanding of grinding and polishing mechanics and material removal behavior
• Proficiency with interferometry, profilometry, and surface inspection tools
• Experience using JMP, Minitab, or equivalent statistical software
• Strong communication, cross functional collaboration, and leadership in a production environment
• Demonstrated capability in 6P readiness, structured RCA, and verification driven corrective action

Physical Requirements

• Work includes time spent on the fabrication floor, interaction with metrology equipment, and periods of standing or walking
• The role may require lifting materials up to 20 pounds
• Visual acuity for inspection tasks is required
• The environment includes exposure to noise, vibration, and manufacturing equipment while wearing appropriate PPE

Additional Responsibilities

• Potential for exposure to strong magnetic fields, high voltage and currents
• This position requires access to controlled technology, as defined in the United States Export Administration Regulations (15 C.F.R. 730, et seq.)

Inclusion and Diversity

ASML is an Equal Opportunity Employer that values and respects the importance of a diverse and inclusive workforce. It is the policy of the company to recruit, hire, train and promote persons in all job titles without regard to race, color, religion, sex, age, national origin, veteran status, disability, sexual orientation, or gender identity. We recognize that inclusion and diversity is a driving force in the success of our company.