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 and suppliers to build the energy industry of the future.  We’re in the best position to make it happen. Since 2018, we’ve raised nearly $3 billion in capital, making us the largest and leading private 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. WHAT YOU'LL DO: * Collaborate with product design and development teams to develop and understand product specifications, requirements, and manufacturing challenges * Develop, implement, and qualify manufacturing processes for new products, ensuring they meet quality, cost, and production rate targets * Design and optimize production layouts, tooling, and fixtures to support efficient manufacturing * Conduct Design for Manufacturing (DFM) and Design for Assembly (DFA) analysis to improve product design * Create and maintain process documentation, including work instructions, process flow diagrams, pFMEA’s, and standard operating procedures (SOPs) * Coordinate with the supply chain and planning teams to source components and materials, ensuring timely delivery and compliance with quality standards * Develop, monitor and analyze manufacturing performance metrics to identify and implement continuous improvement opportunities * Provide hands-on training and support to production personnel on work instructions, processes, equipment, and best practices * Troubleshoot and resolve production and quality issues, collaborating with relevant teams to ensure timely resolution * Ensure compliance with safety regulations and quality standards WHAT WE’RE LOOKING FOR: * Bachelor's degree in Mechanical Engineering, Manufacturing Engineering, Industrial Engineering, or equivalent work experience * 5+ years of experience in manufacturing engineering, with experience transitioning products from R&D to manufacturing * Experience with Lean Manufacturing, Six Sigma, or other process improvement methodologies * Excellent communication and interpersonal skills, with the ability to work effectively in cross-functional teams * Strong analytical and problem-solving skills, with a detail-oriented approach * Ability to work in a fast-paced, dynamic environment and manage multiple priorities BONUS POINTS FOR: * Experience with magnets, thermo-mechanical assemblies, machining, welding, and/or vacuum systems * Experience with the application of Lean and/or Six Sigma methodologies * Experience writing and developing equipment specifications and maintenance plan * Experience with CAD software * Proficiency in work instruction writing, material planning, process mapping, and capacity modeling * Ability to read and understand technical drawings, incl. GD&T and tolerance stack-ups * High self-motivation and drive to execute quickly with excellent troubleshooting/ problem-solving skills  MUST-HAVE REQUIREMENTS: * Ability to lift up to 50 lbs occasionally * Perform activities such as typing, standing, stooping, and sitting, for extended periods of time * Dedication to safety to mitigate hazards that may include heat, cold, noise, fumes, strong magnets, lead, high voltage, and cryogenics * Willingness to occasionally travel or work required nights/weekends/on-call #CFS-EX At CFS, we excel in fast-paced environments, driven by our values of integrity, execution, impact, and self-critique. As we grow, we’re eager to bring on mission-driven folks who offer diverse perspectives and fresh ways to tackle challenges. We value diversity deeply and are proud to be an equal opportunity employer by choice. We consider all qualified applicants equally, regardless of race, color, national origin, ancestry, citizenship status, protected veteran status, religion, physical or mental disability, marital status, sex, sexual orientation, gender identity or expression, age, or any other basis protected by law. This role requires compliance with U.S. laws concerning the export of controlled or protected technologies or information (collectively, “Export Control Laws"). Any offer of employment will be contingent on the need for compliance with such Export Control Laws.