Senior Spherical Optics CNC Process Engineer

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

Job summary

ASML Wilton Factory is seeking a highly skilled Process Engineer to lead optical fabrication processes, drive continuous improvement, and collaborate with engineering, quality, and production teams to advance equipment capability and product performance.

The role requires 10+ years in optical fabrication, hands-on experience with CNC machining, polishing, metrology, and DOE/Six Sigma; you will develop risk-based process improvements, mentor staff, and support qualification of new equipment while

Qualifications

• Bachelor’s or Master’s degree in Engineering (Mechanical, Optical, Materials, or related field).
• Minimum 10+ years of experience in optical fabrication process engineering or a related manufacturing environment.
• Hands-on experience with optics fabrication techniques, including CNC machining, polishing, and surface inspection.
• Proficient in root cause analysis (RCA) and lean manufacturing tools.
• Familiarity with metrology techniques and quality assurance in optics manufacturing.
• Demonstrated ability to lead problem-solving initiatives and implement process improvements.
• Excellent communication and teamwork skills, with ability to work effectively across different departments.
• Ability to manage multiple priorities and deliver results under tight deadlines.

Responsibilities

• Champion a safety-first culture by identifying potential hazards, implementing risk mitigation strategies, and ensuring all work adheres to established EHS safety protocols.
• Develop complex spherical optics on precision CNC Generators, High-Speed Polishers, and centering machine.
• Implement advanced machining strategies and tooling designs for continuous improvement efforts.
• Optimize cycle times, toolpaths, feeds/speeds, and work holding to improve quality and throughput.
• Collaborate with cross-functional teams including production, quality, and metrology 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, repeatability issues, or reliability concerns.
• Analyze machining performance using SPC, capability studies, and data-driven problem solving.
• Define process specifications and control limits; utilize statistical analysis tools (e.g., JMP, Minitab) to evaluate process capabilities and drive data-driven decision-making and maintaining 6P=P from feasibility to production-readiness phases
• Perform hands-on process trials and support qualification of new equipment, materials, and process changes to enhance production performance.
• Support root-cause analysis and corrective actions for quality deviations or nonconformances.
• Drive 5S and workplace organization around CNC areas.

Skills

Optical element manufacturing

DOE and Six Sigma methodologies

NX Solid Modeling

Mastercam CAM software

JMP/Minitab data analysis

SAP or MES systems

Cleanroom protocols

Education

Bachelor’s or Master’s degree in Engineering (Mechanical, Optical, Materials, or related field)

Tools

NX

Mastercam

JMP

Minitab

SAP/MES

Job description

ASML Wilton Factory is seeking a highly skilled Process Engineer to lead optical fabrication processes, drive continuous improvement, and collaborate with engineering, quality, and production teams to advance equipment capability and product performance.

The role requires 10+ years in optical fabrication, hands-on experience with CNC machining, polishing, metrology, and DOE/Six Sigma; you will develop risk-based process improvements, mentor staff, and support qualification of new equipment while