Commonwealth Fusion Systems

Senior Mechanical Engineer responsible for owning cable magnet hardware from early concepts to SPARC delivery, performing thermal, structural, and electromagnetic analysis, and supporting manufacturing. Requires 7+ years of engineering design experience and proficiency in CAD and FEA.

Senior Algorithms and Simulation Software Engineer at Commonwealth Fusion Systems. Design and implement state estimation and control algorithms for fusion power plants, develop simulation models and testbeds, and work on real-time systems for the SPARC project.

Senior Data and Operations Software Engineer at Commonwealth Fusion Systems. Develop distributed systems and APIs for fusion energy data. Hybrid role in Devens, MA. Requires 7+ years experience with Golang and Python.

Principal Mechanical Engineer to lead design and implementation of advanced thermal vacuum equipment for fusion energy. Requires 15+ years experience, expertise in thermal/structural design, vacuum systems, and CAD/FEA tools.

Principal Scientist role focused on radio frequency plasma heating for fusion devices. Develop and commission ICRH systems for SPARC and ARC, contribute to physics studies and operations.

Join the Assembly Team at Commonwealth Fusion Systems as a Senior Mechanical Engineer to design and manage fabrication of unique tooling for the SPARC tokamak assembly. Collaborate with system teams, develop assembly strategies, and oversee tool fabrication and use.

Commonwealth Fusion Systems seeks an NDT Manager to lead NDT operations, serving as the Responsible Level III and Certifying Authority. This role involves managing a team of NDT technicians and scaling NDT capabilities for fusion energy projects.

Commonwealth Fusion Systems seeks an R&D Engineer to research and develop high voltage systems for superconducting magnets, focusing on the Paschen effect. The role involves designing, building, and commissioning test equipment and leading RCCA efforts to resolve issues with SPARC/ARC magnets. The engineer will work collaboratively across teams to execute test campaigns supporting CFS's mission of delivering fusion energy.

Commonwealth Fusion Systems is hiring a Supply Chain Operations Coordinator for its Devens, MA facility. This role supports warehouse and materials management, including shipping, receiving, and inventory control. The position is full-time, onsite, with a pay range of $30-40/hour.

The Shift Operator will be part of the team responsible for the safe and efficient operation of the SPARC Tokamak and supporting systems. This role involves Control Room monitoring, field operations, troubleshooting, and supporting commissioning and steady-state operations. Ideal for individuals with power plant or complex facility experience.

Shift Operator for SPARC fusion facility in Devens, MA. Responsible for safe operation of plant systems, troubleshooting, and commissioning support. Requires 5 years experience in complex facility operations.

Commonwealth Fusion Systems is seeking a Supplier Integration Manager to lead supply chain activities for the SPARC Assembly team, including strategic sourcing, procurement, and supplier management. The role is hybrid based in Devens, MA, and requires 5+ years of experience in supply chain or related fields.

Commonwealth Fusion Systems is seeking a Materials Test Operator to support mechanical testing and characterization lab for fusion systems. The role involves specimen preparation, mechanical testing, equipment operation, and data reporting. Requires 2+ years experience in materials prep and testing.

Commonwealth Fusion Systems is seeking a Staff Modeling and Simulation Engineer to lead advanced multi-physics simulations (FEA/CFD) for next-generation fusion hardware. The role involves driving predictive validation, mentoring junior staff, and collaborating across teams. Requires 10+ years of experience and expertise in ANSYS/COMSOL.

Commonwealth Fusion Systems is seeking a Metrology Engineer to develop, validate, and deploy inspection methods for highly engineered hardware supporting the SPARC project. The role involves hands-on work with complex parts and advanced measurement systems, collaborating with cross-functional teams. Requires 3-5 years of experience in manufacturing or production environments, with expertise in CMM programming and portable metrology equipment.

Commonwealth Fusion Systems is hiring a Control Software Engineer to design, implement, and verify software and controls for advanced R&D equipment and complex machinery. This hybrid role in Devens, MA requires 5+ years of experience with industrial or embedded control systems and proficiency in Python and real-time control languages.

Commonwealth Fusion Systems seeks a Metrology Engineer to develop, validate, and deploy inspection methods for fusion hardware. This on-site role in Devens, MA partners with Quality, Manufacturing, and Design Engineering to support the SPARC project.

Join Commonwealth Fusion Systems as a Control Software Engineer to design, implement, and verify software and controls for advanced R&D equipment and complex machinery. You'll work on real-time systems and integrate with hardware testbeds in a hybrid role in Devens, MA.

Manufacturing Engineer at Commonwealth Fusion Systems designs and optimizes manufacturing processes for fusion power plant production, collaborating with cross-functional teams. Requires 5+ years experience and Lean/Six Sigma expertise.