Mechanical Development Engineer

Plasma Facing Components

Posted on 4/19/2024

Commonwealth Fusion Systems

Commonwealth Fusion Systems

501-1,000 employees

Develops compact fusion power plants



Devens, MA, USA

Required Skills
  • Bachelor of Science in Mechanical Engineering or above
  • Hands-on experience with assembly and use of hardware and small to medium size tool and precision mechanical assemblies
  • Experience with taking a product from design to manufacturing and working with vendors to fabricate the parts to the specifications and manage deviations
  • Advanced CAD skills
  • Knowledge of welding of components for efficient joining to support a reliable, geometrically precise and economically viable structure
  • Able to communicate effectively in a team and a fast-paced environment, making well-informed decisions
  • Assist in development of optimized components that meet the requirements and are economical to produce with an acceptable lead time
  • Support procurement in the preparation and execution of the manufacturing contracts
  • Lead and participate in prototyping and testing activities to validate requirements/assumptions and provide guidelines based on tests
  • Develop design notes, technical specifications, and documentation necessary to fabricate and install the parts
  • Play an active role in disposition of any NCR’s and tracking of the materials through various stages of receivership, inspection, staging, preassembly, and final assembly
  • Develop assembly and work instructions (work packages)
  • Participate in supervision of subassembly and final assembly of the PFC components inside the Vessel

Commonwealth Fusion Systems

Commonwealth Fusion Systems


Commonwealth Fusion Systems is developing compact fusion power plants using high-temperature superconducting magnet technology to enable faster and lower-cost construction. The company is currently building SPARC, the world's first net energy fusion demonstration device, with the ultimate mission of deploying fusion power plants to combat climate change.

Company Stage

Series B

Total Funding



Cambridge, Massachusetts



Growth & Insights

6 month growth


1 year growth


2 year growth



12.5 Company-wide Holidays

Our vacation policy is 'take vacation'

Our sick time policy is 'get better and try not to make others sick'

Generous parental leave policy

Health Reimbursement

Health, Dependent Care, & Limited Purpose Flexible Spending Accounts

Delta Dental, Blue 20/20 Vision optional

Wellbeing / Headspace coverage

Short-term & long-term disability

Life and AD&D insurance