Senior Process Engineer, Optical CNC Polishing & FPY

ASML

Wilton (CT)

On-site

USD 102,000 - 150,000

Full time

14 days+

A complete application in a minute

Tailored resume and cover letter, ready to send.

Get past ATS filters

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401k plan

Paid vacation

Paid holidays

Job summary

ASML Wilton is seeking a Senior Process Engineer to lead CNC deterministic polishing within the Wilton Factory Optics team. You will own end-to-end process development, stabilization, and daily performance, focusing on FPY improvements through robust control and 6P readiness.

You will collaborate with production technicians, quality, and maintenance to optimize tooling, measurement stability, and process windows, applying JMP/Minitab for SPC analysis and driving sustainable improvements on a

Qualifications

BS/MS/PhD in Mechanical, Optical, Materials, or related engineering field.
Minimum 5 years of experience in optical fabrication and CNC deterministic polishing machines.
Experience with tooling mechanics, CNC polishing interpretation, and process development.
Demonstrated ability in structured problem solving, data analysis, RCA, and process improvement.

Responsibilities

Define and optimize process parameters, tooling, measurement stability, and machine behavior.
Manage CNC deterministic polishing performance, environmental controls, and measurement output quality.
Control tooling, environment, fixturing, and factors influencing surface figure and polishing output.
Lead introduction and qualification of new fixtures, tools, software, and machine upgrades.
Interpret interferometry, profilometry, and surface inspection data for actionable decisions.
Establish process windows, capability targets, and long-term monitoring systems.
Use JMP or Minitab and SPC analysis to identify variation and stability risks.
Maintain process specifications, work instructions, and standard work.
Collaborate with production technicians, supervisors, and maintenance to balance production and improvements.
Build process stability to prevent rework and FPY loss; drive corrective actions.