Process Engineer- CNC

Silfex, a Lam Research Company; United States; On-site; USD 70,000 - 90,000; Full time

Job summary

Silfex, a Lam Research Company, is hiring for a role focused on developing and optimizing CNC machining processes for silicon and brittle materials. This position requires a Bachelor’s degree in Mechanical Engineering, along with 2-3 years of relevant experience, or over 10 years in a manufacturing environment.

The ideal candidate will manage projects, apply Lean methods, and engage in cross-functional collaboration to improve quality and efficiency. Strong communication skills and technical expertise are crucial for this position.

Qualifications

• Bachelor’s Degree in Mechanical Engineering or related discipline plus 2–3 years experience.
• 10+ years experience in manufacturing environment, preferably machining or precision CNC operations.
• Proficient with Lean/6-Sigma problem-solving methods.

Responsibilities

• Develop, sustain, and optimize CNC machining processes.
• Lead root cause analysis and convert data into actionable plans.
• Communicate clearly across teams and organizational levels.

Skills

CNC machining processes

Lean/6-Sigma

Engineering drawings interpretation

Project management

Education

Bachelor’s Degree in Mechanical Engineering

10+ years experience in manufacturing

Tools

MS Office Suite

Job description

Essential Function

The position is responsible for developing, 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‑removal technologies, tooling, and consumables in support of Silfex operations. The role focuses on managing and controlling machining processes to meet customer specifications with strong emphasis on safety and quality. This position serves as the company’s subject matter expert for CNC machining and leads the development, implementation, and qualification of machining processes required to support customer needs.

Responsibilities

• Develop, sustain, and optimize CNC machining processes, tooling, and equipment for silicon and brittle materials.


• Provide expertise in critical manufacturing processes, including grinding and advanced CNC machining operations.


• Use SPC and data‑driven methods to stabilize processes, elevate capability, and drive continuous improvement.


• Lead root cause analysis, DOEs, and measurement‑based investigations; convert data into clear, actionable plans.


• Maintain and update FMEAs for assigned equipment and processes.


• Author technical documentation including operating procedures, work instructions, and test plans.


• Apply Lean manufacturing and problem‑solving methodologies.


• Be knowledgeable in CNC programming (G/M‑code) to support equipment.


• Support equipment performance improvement and capability enhancement across functional groups.


• Lead projects from initiation through closure while managing multiple priorities.


• Support new and existing product development from a technical perspective.


• Provide cross‑functional collaboration with Engineering, Operations, Quality, and Maintenance to improve quality, delivery, and cost.


• Serve as a technical problem solver, driving improvements that enhance safety, reduce scrap, and improve process robustness.


• Exhibit self‑driven, confident, and accountable professional characteristics with strong self‑awareness.


• Work effectively both independently and collaboratively with strong attention to detail.


• Communicate clearly, professionally, and proactively across teams and organizational levels.

Qualifications

• Education: Bachelor’s Degree in Mechanical Engineering or related discipline plus 2–3 years experience; or 10+ years experience in a manufacturing environment, preferably machining or precision CNC operations and problem‑solving experience.


• Technical Skills: Comprehensive understanding of shop operations and manufacturing processes; proficient 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 Fit: Display a positive attitude and strong work ethic; create and maintain a culture where workplace safety is part of everything; provide the safest possible workplace; apply lean manufacturing concepts and 5S; demonstrate ownership of continuous improvement ideas; maintain organization and cleanliness.


• Physical Demands: Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. The employee is regularly required to stand, use hands to handle or feel, reach, walk, sit, climb, balance, stoop, kneel, crouch, or crawl; and talk or hear. The employee regularly lifts up to 10 pounds. Vision requirements include close vision, distance vision, peripheral vision, depth perception, and ability to adjust focus. The employee frequently works near moving mechanical parts and fumes or airborne particles, and is occasionally exposed to wet and/or humid conditions. The noise level in the environment is moderate. Employee is required to meet all PPE requirements as outlined in Silfex procedures.