Senior Mechanical Engineer - Remote Maintenance
Commonwealth Fusion SystemsDevens, MA
Full Time
Posted September 18, 2026
$110k - $185k
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Job Description
About Commonwealth Fusion Systems:
Key Responsibilities
- Develop concept of operations for the ARC Remote Maintenance System
- Participate in the pre-conceptual design process of the ARC fusion power plant
- Design ARC’s radiation hardened remote handling equipment (RHE) by incorporating a mix of existing robotic technologies, custom hardware, and remotely operated heavy lift equipment
- Perform maintenance assessments of the tokamak and plant to shape the development of ARC as a remotely maintainable power plant
- Collaborate closely with tokamak engineering teams to assist in designing the ARC tokamak for remote maintainability and finding creative and novel solutions to tokamak joints
- Perform high level multi-disciplinary trade studies of solutions that involve complex trade offs between physics, neutronics, design, maintenance, materials, manufacturing, techno-economics, and other disciplines
- Collaborate with multiple teams and manage projects across different disciplines to help solve tough multi-disciplinary problems
- Identify key R&D needed for the ARC remote maintenance program, and help establish the plans to execute the R&D campaigns internally or with external partners
- Research existing established and cutting edge remote handling solutions to assess their application in the ARC remote maintenance system
- Work with external RHE/robotics organizations and general industry to manage contracted work, collaborate on cutting edge R&D, and transfer knowledge and expertise into CFS
- Establish CFS’s remote maintenance design guidelines for RHE, the Tokamak, and plant
Requirements
- Perform activities such as typing and sitting for extended periods of time
- Dedication to safety to mitigate industrial hazards that may include heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, and cryogenics
- Willingness to travel or work required nights/weekends/on-call occasionally. Travel expected up to 15%
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