CNC Process Engineer: Silicon & Precision Machining Lead

Silfex, Inc. - A Division of Lam Research Corporation; Town of Springfield (WI); On-site; USD 80,000 - 110,000; Full time

Job summary

Silfex, Inc., A Lam Research Company, is seeking a CNC Engineer to develop and optimize machining processes for silicon and brittle materials. You will lead tooling, equipment, and process improvements to meet strict dimensional and quality requirements.

The role requires hands-on CNC knowledge, GD&T proficiency, and experience with Lean/Six Sigma to drive safety, reduce scrap, and improve process robustness. Collaborative cross-functional work is essential.

Qualifications

• Bachelor’s Degree in Mechanical Engineering or related discipline plus 2-3 years’ experience.
• In lieu of degree, 10+ years of relevant manufacturing environment, preferably machining or precision CNC operations, and problem solving experience.

Responsibilities

• Develops, sustains, and optimizes CNC machining processes, tooling, and equipment for silicon and brittle materials.
• Provides expertise in critical manufacturing processes, including grinding and advanced CNC machining operations.
• Uses SPC and data-driven methods to stabilize processes, elevate capability, and drive continuous improvement.
• Leads root cause analysis, DOEs, and measurement-based investigations; converts data into clear, actionable plans.
• Maintains and updates FMEAs for assigned equipment and processes.
• Authorizes technical documentation including Operating Procedures, Work Instructions, and Test Plans.
• Applies Lean manufacturing and problem-solving methodologies.

Skills

CNC machining

GD&T

Lean / Six Sigma

Manufacturing processes

MS Office

Education

Bachelor’s Degree in Mechanical Engineering or related discipline

10+ years of manufacturing experience (in lieu of degree)

Job description

Silfex, Inc., A Lam Research Company, is seeking a CNC Engineer to develop and optimize machining processes for silicon and brittle materials. You will lead tooling, equipment, and process improvements to meet strict dimensional and quality requirements.

The role requires hands-on CNC knowledge, GD&T proficiency, and experience with Lean/Six Sigma to drive safety, reduce scrap, and improve process robustness. Collaborative cross-functional work is essential.