Field Mechanical Engineering - Assembly
Commonwealth Fusion SystemsDevens, Massachusetts
Full Time
Posted April 15, 2026
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Job Description
A Field Mechanical Engineer at Commonwealth Fusion Systems is responsible for overseeing and supporting the assembly process of the SPARC Tokamak, solving complex mechanical challenges, guiding technicians, and ensuring the smooth integration of large, precision components in a fast-paced, on-site environment.
Key Responsibilities
- Guide technicians through assembly issues and develop solutions to maintain workflow
- Ensure availability of necessary tools by procuring or designing small tools and fixtures
- Collaborate with adjacent teams to implement process changes and assist with precision alignment of components
- Oversee and coordinate the assembly of large, complex parts to ensure smooth progress
- Apply engineering knowledge to solve complex challenges during the assembly process
Requirements
- Proven experience in mechanical engineering, assembly, or a related field, with the ability to guide technicians and solve complex assembly challenges.
- Ability to proactively ensure that all necessary tools, whether off-the-shelf or custom-designed and built, are available for assembly tasks.
- Experience collaborating closely with cross-functional teams such as assembly process teams and metrology teams to incorporate process changes and assist with precision alignment of coils and other key structures.
- On-site presence at the CFS-2 facility in Devens, MA, working in the central construction hall on the SPARC Tokamak assembly process.
- Strong engineering skills and knowledge to manage and solve complex challenges during the assembly process of large, multi-million dollar components.
- Ability to guide the assembly of large, complex parts, ensuring smooth and efficient process flow.
- Compliance with U.S. export control laws concerning the export of controlled or protected technologies or information, with any employment offer contingent on such compliance.
Benefits & Perks
On-site work in Devens, MA
Work in a fast-paced environment driven by values of integrity, execution, impact, and self-critique
Collaborative work with multiple teams including Assembly and Metrology
Opportunity to work on cutting-edge fusion energy projects
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