Process Engineer- CNC

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

Our Perks and Benefits

At Silfex, our people make amazing things possible. That’s why we invest in you throughout the phases of your life with a comprehensive set of outstanding benefits that start on your first day of employment.

Discover more at Lam Benefits

Job Descriptions:

EssentialFunction:

The positionis responsible fordeveloping,optimizing, and controlling CNC machining processes for silicon and other brittle materials to ensure all dimensional, cosmetic, and performance requirements for semiconductor applications are met. The engineer must understand complex manufacturing workflows, CNC equipment and programming,material‑removaltechnologies, tooling, and consumables in support ofSilfexoperations. The role focuses on managing andcontrolling machiningprocesses to meet customer specifications withstrongemphasis on safety and quality. This position serves as the company’s subject matter expert for CNC machining andleadsthe development, implementation, and qualification of machining processes required to support customer needs.

Essential Duties and Responsibilities:

Technical Leadership

• Develops, sustains, andoptimizesCNC machining processes, tooling, and equipment for silicon and brittle materials.
• Providesexpertisein critical manufacturing processes, including grinding and advanced CNC machining operations.
• UsesSPC 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.
• Authorstechnical documentation including Operating Procedures, Work Instructions, and Test Plans.
• Applies Lean manufacturing and problem-solving methodologies.

CNC Programming & Equipment

• Knowledgeable to supportCNC,demonstratesbasic understanding of G/M-code programming.
• Supports equipment performance improvement and capability enhancement across functional groups.

Project & Cross-Functional Execution

• Leads projects from initiation through closure while managing multiple priorities.
• Supports new and existing product development from a technical perspective.
• Provides cross-functional collaboration with Engineering, Operations, Quality, and Maintenance to improve quality, delivery, and cost.
• Serves as a technical problem solver, driving improvements that enhance safety, reduce scrap, and improve process robustness.

Professional Attributes

• Self-driven, confident, and accountable professional with strong self-awareness.
• Works effectively both independently and collaboratively with strong attention to detail.
• Communicates clearly, professionally, and proactively across teams and organizational levels.

Qualifications:

Education & Experience

• Bachelor’s Degree in Mechanical Engineeringor related discipline plus 2-3 years’ experience
• In lieu of degree, 10+ years of relevantmanufacturing environment, preferably machining or precision CNC operations, andproblem solvingexperience.

Technical Skills

• Comprehensive understanding of shop operations and manufacturing processes.
• Proficientin interpreting engineering drawings and GD&T.
• Experience with Lean/6-Sigma problem-solving methods.
• Ability to manage multiple projects with competing priorities.
• Proficient with MS Office Suite.

Team & Communication Skills

• Strong organizational, documentation, and communication skills.
• Demonstrated ability to build strong partnerships and excel within cross‑functional teams.

Culture:

• Display a positive attitude and strong work ethic that reflects the Mission and Core Values ofSilfex.
• Create andmaintaina culture where workplace safety is part of everything we do. Provide the safest possible workplace to our employees by modeling and following all company safety policies, reporting any incidents or unsafe conditionsimmediatelytoSilfexmanagement. Wear all PPE as required by work area or job function.
• Communication – Begin with the end in mind – Communicate boldly as well as effective…
• Assistin applying lean manufacturing concepts and 5S. Demonstrate ownership of continuous improvement ideas and activities. Maintain organization and cleanliness, housekeeping and 5S withinworkarea. Maintain these areasatthe highest degree possible while responsibly escalating any maintenance issues.

Physical Demands:

Reasonableaccommodationsmay be made to enable individuals with disabilities to perform the essential functions.While performing the duties of thisjobthe employeeis regularly required tostand and use hands to handle or feel.The employee isfrequentlyrequired to reach with hands and arms.

The employeeis occasionally required towalk; sit; climb or balance; stoop, kneel, crouch, or crawland;talk or hear.The employee regularly is required tolift upto 10 pounds. The vision requirements include close vision, distance vision, peripheral vision, depthperceptionand ability to adjust focus.

While performing the duties of thisjobthe employee isfrequentlyworking near moving mechanical parts and fumes or airborne particles.The employee is occasionally exposed to wet and/or humid conditions.The noise level in the environment is moderate.Employee isrequired to meet all PPE requirements as outlined inSilfexprocedures.

Our Commitment

We believe it is important for every person to feel valued, included, and empowered to achieve their full potential. By bringing unique individuals and viewpoints together, we achieve extraordinary results.

Silfex Inc., A Lam Research Company (“Silfex” or the “Company”), is an equal opportunity employer. Silfex is committed to and reaffirms support of equal opportunity in employment and non-discrimination in employment policies, practices and procedures on the basis of race, religious creed, color, national origin, ancestry, physical disability, mental disability, medical condition, genetic information, marital status, sex (including pregnancy, childbirth and related medical conditions), gender, gender identity, gender expression, age, sexual orientation, or military and veteran status or any other category protected by applicable federal, state, or local laws. It is the Company’s intention to comply with all applicable laws and regulations. Company policy prohibits unlawful discrimination against applicants or employees.