Senior Mechanical Engineer
Commonwealth Fusion Systems
First seen here Oct 16, 2026.
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Full description
About Commonwealth Fusion Systems:
Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy.
Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers, suppliers, and many others to build the energy industry of the future.
We’re in the best position to make it happen. Since 2018, we’ve raised $4 billion of capital, making us the largest and leading fusion company in the world.
Now we’re looking for more thinkers, doers, builders, and makers to join us. People who’ll bring new perspectives, solve tough problems, and thrive as part of a team.
If that’s you and this role fits, we want to hear from you.
Join the power movement as a Senior Mechanical Engineer
We’re looking for a Senior Mechanical Engineer to join our R&D and equipment design team to help build the next generation of thin-film deposition technology. The Senior Mechanical Engineer will be responsible for the design and implementation of advanced R&D equipment and complex machinery. This role requires strong technical expertise, procedural discipline, and the ability to collaborate across engineering and technology functions to ensure safe, reliable, and high-performance equipment. If you enjoy working on complex design problems, mentoring others, and solving problems in a collaborative, fast-paced environment, this is your opportunity to make an impact.
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