Manager, Materials Mechanical Testing
Commonwealth Fusion SystemsDevens, Massachusetts
Full Time
Posted March 2, 2026
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Job Description
The Manager of Materials Mechanical Testing at Commonwealth Fusion Systems leads and mentors a team of engineers in testing and characterizing materials and sub-components, supporting the development of fusion power devices by addressing unique materials challenges such as neutron fluxes, high heat loads, and cryogenic conditions.
Key Responsibilities
- Mentor, coordinate, and grow a team of 2-5 materials test engineers in mechanical and structural testing.
- Serve as subject matter expert in mechanical testing of materials and structural testing of sub-components.
- Oversee and ensure the quality and accuracy of materials mechanical testing and characterization activities.
Requirements
- Must have experience serving as a subject matter expert in mechanical testing of materials and structural testing of sub-components in engineering projects.
- Must have the ability to mentor, coordinate, and grow a team of 2-5 materials test engineers.
- Must possess specific skills in mechanical testing of materials and structural testing of sub-components relevant to fusion energy applications.
- Must have a minimum of 3 years of experience in materials testing, mechanical testing, or related fields.
- Must have a bachelor's degree or higher in Materials Science, Mechanical Engineering, or a related technical field.
- Must be able to support design engineers, supply chain, and manufacturing teams by defining materials and processing routes, validating and measuring material properties, and conducting research and development.
- Must be capable of working in a fast-paced environment and comply with U.S. export control laws concerning controlled or protected technologies or information.
- Must be willing to serve as a subject matter expert in mechanical testing of materials and structural testing of sub-components in fusion energy projects.
- Must be able to support work related to devices that pose unique materials challenges including neutron fluxes produced by deuterium-tritium fusion, high heat loads, molten salt coolant systems, complex component topologies, high magnetic fields, and high mechanical loading in cryogenic conditions.
Benefits & Perks
Compensation/salary range (not specified in the posting)
Work schedule: Hybrid work environment
Work environment perks: Fast-paced environment, mission-driven culture, diverse perspectives encouraged
Additional benefits: Mentorship and team growth opportunities, being part of a leading private fusion company, contributing to innovative fusion energy projects, commitment to diversity and equal opportunity
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