Tokamak Assembly Engineer

  • Commonwealth Fusion Systems (CFS)
  • Cambridge, MA
  • Feb 12, 2022
Engineering: All

Job Description

Commonwealth Fusion Systems (CFS) has the fastest, lowest cost path to commercial fusion energy.CFS is collaborating with MIT to leverage decades of research combined with new groundbreaking high-temperature superconducting (HTS) magnet technology. HTS magnets will enable compact fusion power plants that can be constructed faster and at lower cost. The mission is to deploy fusion power plants to meet global decarbonization goals as fast as possible. CFS has assembled a team of leaders in tough tech, fusion science, and manufacturing with a track record of rapid execution. Supported by the world’s leading investors, CFS is uniquely positioned to deliver limitless, clean, fusion power to combat climate change. To execute this plan, we are looking to add talented people to the team who are mission-driven and treat people well, improve our team by adding diverse perspectives and new ways of solving problems, have demonstrated exceptional results through a range of different pursuits, and have skill sets and experience that relate to this role.As a SPARC Tokamak Assembly Engineer, you will be contribute to the development of the overall strategy, plan, and subsequent execution of the successful assembly and integration of the systems within the envelope of the SPARC cryostat. You will guide and create how this oversized “swiss watch” comes together! This work is conducted within a multi-disciplinary team of physicists and engineers as part of collaborative sponsored research projects at the MIT Plasma Science and Fusion Center and within CFS. The SPARC Tokamak Assembly Engineer will also work in close collaboration with the construction team.

This team member will:

  • Develop the plan for successful assembly and integration of all components and systems within (or crossing) the envelope of the SPARC cryostat
  • Formulate the general strategy for assembly, as well active design-phase coordination and guidance of the system teams for optimum assembly logic, steps, best practices, methods, strategies, and other details
  • Conduct design oversight, guidance, and early conceptual development of all tooling required for successful handling and manipulation of parts to meet functional requirements, then later ownership of tool design and delivery to be done by tool designers
  • Within the plan development, ensuring tool and personnel access is available as required for system assembly steps as outlined by the system owners
  • Assist development for the alignment plan for precision placement and verification of magnet, vacuum vessel and in-vessel components, and the means and methods for successful handling and manipulation of parts to meet alignment requirements; responsible for guiding system teams to design to facilitate alignment within the plan
  • Responsible for the plans for part movement at each step and ensuring no interferences with other systems during movement
  • Responsible for the assembly and overall logic timeline, as well as work instruction packets, initial resourcing allocations, and other general planning and guidelines for successful sub-system assembly
  • Responsible for planning of component entrance timing and staging, to match the process logic and timeline
  • Responsible for the plan and access for inspections, per leak checking plans info received from the system technical leads
  • Work with tooling engineers, designers, and assembly package coordinators, as well as direct personnel performing the Tokamak Assembly during on-site work

The ideal candidate will have most, if not all, of these requirements:

  • Required Education: At least a bachelor’s degree in mechanical engineering, aerospace engineering, or another relevant field
  • Required Experience: At least 2 years technical experience in the integration of complex and large mechanical structures (e.g. aerospace, chemical), Alignment and tolerancing, and Scheduling tools
  • Preferred Experience: Metrology, High vacuum processes, Leak checking methodology, Tool sourcing and development, NX

Additional experience and/or qualifications:

  • Exceptional attention to detail
  • Safety conscious and proactive
  • An ability to clearly express and critique ideas
  • An aptitude to use data to drive decisions
  • An emphasis on elegance and simplicity over complexity
  • The ability to thrive in fast-paced, dynamic environments
  • A drive toward commercially viable solutions
  • Values that align with our company’s values of integrity, execution, impact, and self-critique
  • Ability to lift up to 50 lbs
  • Ability to do typing, standing, and sitting for extended periods of time
  • Willingness to travel or to do required nights/weekends/on-call duties

CFS team members thrive in a fast-paced, dynamic environment and have demonstrated exceptional results through a range of different pursuits. We all tightly align with our company values of integrity, execution, impact and self-critique. As we grow, we are looking to add talented people who are mission driven and bring diverse perspectives and new ways of solving problems.At CFS, we deeply value diversity and are an equal opportunity employer by choice. We consider all qualified applicants equally for employment. We do not discriminate on the basis of race, color, national origin, ancestry, citizenship status, protected veteran status, religion, physical or mental disability, marital status, sex, sexual orientation, gender identity or expression, age, or any other basis protected by law, ordinance, or regulation.

Organization Type


Organization Size




Drawdown solutions

Nuclear Power