Mechanical Engineer

4 weeks ago

Devens, United States Commonwealth Fusion Systems Full time

Commonwealth Fusion Systems (CFS) has the fastest, lowest cost path to commercial fusion energy.

CFS collaborates with MIT to leverage decades of research combined with groundbreaking new high-temperature superconducting (HTS) magnet technology. HTS magnets will enable compact fusion power plants that can be constructed faster and at lower cost. Our mission is to deploy these power plants to meet global decarbonization goals as fast as possible. To that end, 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 implement this plan, we are looking to add dedicated people to the team who treat people well, improve our work by adding multifaceted perspectives and new ways of solving problems, have achieved outstanding results through a range of pursuits, and have skills and experience related to this role.

As a Mechanical Engineer for the SPARC superconducting magnets feeder team (FEED), you will own hardware from early concepts to SPARC delivery, performing thermal, structural, and electromagnetic analysis using hand calculations and finite element methods. You will develop design notes, technical specifications, assembly procedures and documentation necessary to manufacture and install the SPARC FEED hardware and supporting systems. In your role you will also support procurement in the preparation and execution of manufacturing contracts.

This team member will:

    • Produce new and iterate on existing design concepts using NX, using a deep understanding of physics and structural mechanics for both metallics and composites
    • Perform thermal, structural, and electromagnetic analysis to inform decisions on SPARC magnets, including conductors, insulation, joints, supports, fluid manifolds, insulator breaks.
    • Own product from final design through final assembly and commissioning for SPARC, ensuring SPARC is able to achieve first plasma on-schedule
    • Diagnose issues on the production and assembly line and provide path forward based on known understanding of hardware
    • Work with the SPARC plant and tokamak operations team to integrate the system into overall control system architecture
    • Work with experimental teams on instrumentation, measurement, and correlation of experiment to analysis
    • Provide technical support to procurement during manufacturing
    • Prepare reports, presentations, and other documentation to serve as design review and validation
    • Develop team systems to better serve the FEED and magnet systems teams during the ARC era
The ideal candidate will have most, if not all, of these requirements:
    • Bachelor's degree in mechanical engineering, aerospace engineering, physics, or another relevant field
    • Excellent fundamental knowledge of mechanical systems such as static structures and heat transfer. Relevant hands-on experience in the form of parts designed for high loads and extreme environments
    • Demonstrated record of design of mechanical components beyond desktop scale. E.g. high power (MW+), high mass (ton+), high force (MN+)
    • At least 3 years of engineering design and analysis experience
    • At least 1 year providing engineering support to production hardware in the form of resolving technical issues and executing design changes for manufacturing ramp up
    • Solid background in component design and performing detailed analyses
    • Familiarity with all steps in the design process with an emphasis on creativity and simplicity
    • Authored documentation in the form of specifications to drive requirements to manufacturing and assembly.
    • Be self-motivated and exhibit excellent problem-solving skills
Additional experience and/or qualifications:
    • Experience with NX, ANSYS, and COMSOL
    • Experience with vacuum, cryogenics, nuclear irradiation, superconductivity, electromagnetics
    • Hands on experience developing and executing testing to buy down technical risk in new hardware devleopment
    • Perform activities such as sitting for extended periods of time
    • Work in a facility that contains industrial hazards including heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, high current, pressure systems, and cryogenics
    • #LI-Hybrid


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.

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