Senior Manager, Mechanical Engineering — Vacuum Vessel
Commonwealth Fusion SystemsDevens, MA
Full Time
Posted August 24, 2026
$150k - $225k
~61 people viewed this recently
Apply Now
Application opens on company website
Job Description
About Commonwealth Fusion Systems:
Key Responsibilities
- Lead a team of mechanical engineers to plan and deliver on the ARC vacuum vessel and connected systems
- Oversee the full design lifecycle, from initial concept and CAD modeling to hardware procurement and assembly
- Interface the design of the vacuum vessel with many other systems in the ARC plant, coordinating with other engineering teams to ensure the best overall design for the product
- Provide hands-on technical leadership to solve complex, multi-disciplinary design challenges and manage risks in new environments and with novel materials
- Work with the supply chain and materials and processing teams to identify and develop suppliers for the vacuum vessel
- Proactively manage schedule and budget to deliver a critical component to the ARC fusion power plant
- Manage all aspects of the group's talent, including hiring, training, and setting clear performance expectations
- Promote a culture of resilience and grit, ensuring the team consistently follows through on assignments despite technical hurdles
Requirements
- Bachelors Degree in Mechanical Engineering or a closely related degree
- 10+ years experience in mechanical engineering or closely related fields
- Experience working on a multi-disciplinary engineering project
- Experience designing and delivering large metallic structures
- Experience with structural analysis
- Experience with fabrication of complex large structures
- Experience working in dynamic R&D environments, including novel materials and locations
- Broad knowledge of engineering sufficient to interact with multi-disciplinary engineering teams
- Knowledge of finite element structural analysis
- Knowledge of fluid cooling of mechanical structures
- Ability to adapt to a rapidly changing environment
- Perform activities such as stooping and sitting for extended periods of time
- Willingness to occasionally travel or work required nights/weekends/on-call
- Dedication to safety to mitigate hazards that may include heat, cold, noise, fumes, strong magnets, lead, high voltage, and cryogenics
Ready to Apply?
Join Commonwealth Fusion Systems and make an impact in renewable energy
Stay Updated on Sustainability Jobs
Get the latest renewable energy jobs and career tips delivered to your inbox.
Job Alerts
Get notified about new sustainability jobs
More at Commonwealth Fusion Systems
More jobs at Commonwealth Fusion Systems
Is this your company?Claim your listing — free →