Lead Mechanical Engineer – Web Handling & R2R Systems

Commonwealth Fusion Systems LLC; Milpitas (CA); On-site; USD 187,000 - 270,000; Full time

Benefits offered by this job

Equity

13 company holidays

Flexible vacation days

Sick days

Parental leave

Health insurance

Dental & Vision insurance

401(k) with employer matching

Professional growth opportunities

Team-building activities

Job summary

Commonwealth Fusion Systems LLC in Milpitas, CA, is seeking a Principal Mechanical Engineer specializing in Web Handling and Roll-to-Roll systems to lead as a technical authority. You will shape architecture, drive roadmap decisions, and mentor the engineering organization in high-precision web transport design.

In this First Chair role, you’ll manage risk, set design standards, and coordinate with suppliers while translating R&D objectives into actionable mechanical architectures across

Qualifications

• Master's or PhD required or equivalent advanced industrial experience.
• 15+ years leading design and implementation of web handling or R2R equipment.
• Deep knowledge of web handling physics, tension control, and roller dynamics.

Responsibilities

• Shape R2R system architecture for next-gen equipment and high-speed winders/unwinders.
• Research and benchmark winding/unwinding technologies for roadmap decisions.
• Lead cross-functional strategy across mechanical, electrical, and controls groups.

Skills

Web handling expertise

R2R systems leadership

Dynamic modeling

Substrate physics

Cross-disciplinary leadership

Education

Master's or PhD in Mechanical Engineering or related field

Tools

SolidWorks

NX

FEA simulations

Job description

Commonwealth Fusion Systems LLC in Milpitas, CA, is seeking a Principal Mechanical Engineer specializing in Web Handling and Roll-to-Roll systems to lead as a technical authority. You will shape architecture, drive roadmap decisions, and mentor the engineering organization in high-precision web transport design.

In this First Chair role, you’ll manage risk, set design standards, and coordinate with suppliers while translating R&D objectives into actionable mechanical architectures across