Senior Fusion Diagnostics Mechanical Engineer – Design Lead

Commonwealth Fusion Systems; United States; On-site; USD 120,000 - 180,000; Full time

Job summary

Commonwealth Fusion Systems in the United States seeks a Senior Diagnostics Mechanical Engineer to help finalize SPARC diagnostic subsystems through design closeout, testing, and integration. You will work with fusion scientists and engineers to ensure robust, manufacturable solutions that withstand harsh environments.

The role emphasizes cross-disciplinary collaboration, rapid prototyping, and delivery of safe, reliable assemblies that advance the company’s mission to demonstrate net energy

Qualifications

• Bachelor’s degree in a relevant engineering field.
• 5+ years of relevant experience designing and delivering mechanical systems.
• Experience designing for manufacturing and assembly, and collaborating with partners to oversee or carry out integrated builds.
• Bias toward action, and a balance of engineering intuition and technical rigor that allows for robust, simple designs to be generated with speed.
• First principles based approach to engineering and ability to understand concepts and tradeoffs that bridge engineering and physics.

Responsibilities

• Shepherd SPARC diagnostic sub-systems through design closeout, test, and procurement, working with a team of scientists, designers, analysts and engineers.
• Integrate technical input from experts on the team to ensure diagnostic designs will survive SPARC’s harsh environments and be usable to achieve SPARC’s scientific mission goals.
• Coordinate with manufacturing engineers to align on build and test strategy for complex integrated systems, and support builds in the field to maintain quality and speed.
• Contribute to a strong safety culture.

Skills

Mechanical design

Cradle-to-grave design

Manufacturing design

Strong communication

First principles thinking

Education

Bachelor’s degree in mechanical/aerospace/civil or nuclear

Tools

Siemens NX

Teamcenter

Ansys

Python

Job description

Commonwealth Fusion Systems in the United States seeks a Senior Diagnostics Mechanical Engineer to help finalize SPARC diagnostic subsystems through design closeout, testing, and integration. You will work with fusion scientists and engineers to ensure robust, manufacturable solutions that withstand harsh environments.

The role emphasizes cross-disciplinary collaboration, rapid prototyping, and delivery of safe, reliable assemblies that advance the company’s mission to demonstrate net energy