Senior Spherical Optics CNC Process Engineer

ASML; Wilton (CT); On-site; USD 110,000 - 150,000; Full time

Job summary

ASML in Wilton, CT seeks a senior Process Engineer to lead optical fabrication, drive continuous improvement, and partner with engineering, quality, and production to advance equipment capability and product performance.

The role requires 10+ years in optical fabrication process engineering, hands-on experience with CNC machining, polishing, metrology, and strong RCA/lean skills. Expect cross-functional collaboration and global supplier interaction.

Qualifications

• Bachelor's or Master's in Engineering or related field.
• Hands-on optics fabrication experience including CNC machining and polishing.
• Proficiency in RCA and lean manufacturing tools.

Responsibilities

• Champion a safety-first culture by identifying hazards and ensuring EHS compliance.
• Develop complex spherical optics on precision CNC Generators, High-Speed Polishers, and centering machines.
• Implement advanced machining strategies and tooling designs for continuous improvement.
• Optimize cycle times, toolpaths, feeds/speeds, and fixturing for quality and throughput.
• Collaborate with cross-functional teams to resolve technical challenges and implement sustainable solutions.
• Diagnose and resolve machining issues related to tooling, fixturing, programming and equipment behavior.
• Partner with maintenance and vendors to address machine performance and reliability concerns.
• Analyze machining performance using SPC, capability studies, and data-driven problem solving.
• Define process specs and control limits; use JMP/Minitab to drive data-driven decisions.
• Perform hands-on process trials and support qualification of new equipment, materials, and process changes.
• Support root-cause analysis and corrective actions for quality deviations.
• Drive 5S and workplace organization around CNC areas.

Skills

Spherical optics

DOE & Six Sigma

NX

Mastercam

JMP/Minitab

SAP/MES

Cleanroom protocols

Education

Engineering degree (Bachelors/Masters)

Tools

NX

Mastercam

Job description

ASML in Wilton, CT seeks a senior Process Engineer to lead optical fabrication, drive continuous improvement, and partner with engineering, quality, and production to advance equipment capability and product performance.

The role requires 10+ years in optical fabrication process engineering, hands-on experience with CNC machining, polishing, metrology, and strong RCA/lean skills. Expect cross-functional collaboration and global supplier interaction.