Senior Optical Process Engineer - GnP & FPY Excellence

ASML; Wilton (CT); On-site; USD 120,000 - 180,000; Full time

Job summary

ASML Wilton is seeking a Senior Process Engineer to ownGnP grinding and polishing processes within Optical Fabrication. You will drive process development, stabilization, and daily performance targeting FPY improvements, while integrating new materials and tools to strengthen long-term control.

The role requires deep optical fabrication knowledge, strong analytic skills, and proactive ownership in a fast-paced production setting.

Qualifications

• 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.

Responsibilities

• Define and optimize process parameters; ensure removal rate stability; manage polishing performance and conditioning.
• Lead introduction/qualification of new pad materials, slurry chemistries, pitch recipes, and machine upgrades.
• Establish strong process control: define windows, capability targets, and monitoring systems; use JMP or Minitab to analyze variation.
• Collaborate daily with production technicians, supervisors, metrology, quality, equipment engineering, and maintenance.
• Build process stability, detect variation sources, lead RCA, and ensure corrective actions are embedded.

Skills

Grinding & polishing mechanics

Interferometry & profilometry

Statistical software (JMP/Minitab)

Cross-functional leadership

Multi-priority management

6P readiness & RCA

Education

BS/MS/PhD in Mechanical, Optical, or Materials Engineering

Tools

JMP

Minitab

Interferometry equipment

Profilometry equipment

Job description

ASML Wilton is seeking a Senior Process Engineer to ownGnP grinding and polishing processes within Optical Fabrication. You will drive process development, stabilization, and daily performance targeting FPY improvements, while integrating new materials and tools to strengthen long-term control.

The role requires deep optical fabrication knowledge, strong analytic skills, and proactive ownership in a fast-paced production setting.