{"schemaVersion":"jobsearcher.job.v1","id":"415d8658b204ef0ea6af2b78","url":"https://jobsearcher.com/jobs/415d8658b204ef0ea6af2b78","canonicalUrl":"https://jobsearcher.com/jobs/415d8658b204ef0ea6af2b78","title":"Mechanical Engineer","description":"About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy.\nCombining 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.\nWe’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.\nNow 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.\nIf that’s you and this role fits, we want to hear from you.\nWhat you'll do: Provide on-floor, hands-on manufacturing support for pilot and production lines\nAssess the producibility of designs and provide continuous design improvement\nUpdate design documentation with feedback from prototype and pilot builds\nAssess non-conformances\nParticipate in root cause investigations\nSuggest and lead prototyping efforts that reduce risk during manufacturing start-up\nCreate standard procedures and contribute to the creation of work instructions\nOrganize and lead design for manufacturing reviews\nWork with production teams to improve process and/or equipment\nWhat we’re looking for: BS in technical field - Mechanical Engineering or equivalent (ex. Manufacturing, Aerospace, Industrial, Materials, etc)\n4+ years’ experience in mechanical, manufacturing, or quality engineering\nStrong communication and collaboration skills\nStrong analytical and problem solving skills\nBonus points for: Basic CAD skills (NX preferred, any acceptable)\nExpertise in AMSE Y14 GD&T principles\nExperience in a production environment\nDesign experience of large industrial equipment\nDesign experience with any of the following: Composite materials\nWelding\nVacuum systems\n\nKnowledge of Lean or Six Sigma principles\nKnowledge of quality systems and formal RCCA processes\nMust-have requirements: Ability to lift up to 50 lbs occasionally\nPerform activities such as typing, standing, stooping, and sitting, for extended periods of time\nWillingness to occasionally travel or work required nights/weekends/on-call\nDedication to safety to mitigate hazards that may include heat, cold, noise, fumes, strong magnets, lead, high voltage, and cryogenics\n$90,000 - $145,000 a year\nAt 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.\nWe 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.\nThis 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.\n\n#J-18808-Ljbffr","company":"Commonwealthfusionsystems5","rawCompany":"commonwealthfusionsystems5","city":"Harvard","state":"MA","isRemote":false,"isActive":false,"createdAt":"2026-06-17T04:16:58.947Z","occupations":[{"code":"17-2141.00","title":"Mechanical Engineers","slug":"mechanical-engineers"},{"code":"17-2199.00","title":"Engineers, All Other","slug":"engineers-all-other"},{"code":"17-3027.00","title":"Mechanical Engineering Technologists and Technicians","slug":"mechanical-engineering-technologists-and-technicians"}],"industries":[{"code":"333248","title":"All Other Industrial Machinery Manufacturing","slug":"all-other-industrial-machinery-manufacturing"},{"code":"541330","title":"Engineering Services","slug":"engineering-services"},{"code":"333998","title":"All Other Miscellaneous General Purpose Machinery Manufacturing","slug":"all-other-miscellaneous-general-purpose-machinery-manufacturing"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Mechanical Engineer","description":"About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy.\nCombining 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.\nWe’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.\nNow 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.\nIf that’s you and this role fits, we want to hear from you.\nWhat you'll do: Provide on-floor, hands-on manufacturing support for pilot and production lines\nAssess the producibility of designs and provide continuous design improvement\nUpdate design documentation with feedback from prototype and pilot builds\nAssess non-conformances\nParticipate in root cause investigations\nSuggest and lead prototyping efforts that reduce risk during manufacturing start-up\nCreate standard procedures and contribute to the creation of work instructions\nOrganize and lead design for manufacturing reviews\nWork with production teams to improve process and/or equipment\nWhat we’re looking for: BS in technical field - Mechanical Engineering or equivalent (ex. Manufacturing, Aerospace, Industrial, Materials, etc)\n4+ years’ experience in mechanical, manufacturing, or quality engineering\nStrong communication and collaboration skills\nStrong analytical and problem solving skills\nBonus points for: Basic CAD skills (NX preferred, any acceptable)\nExpertise in AMSE Y14 GD&T principles\nExperience in a production environment\nDesign experience of large industrial equipment\nDesign experience with any of the following: Composite materials\nWelding\nVacuum systems\n\nKnowledge of Lean or Six Sigma principles\nKnowledge of quality systems and formal RCCA processes\nMust-have requirements: Ability to lift up to 50 lbs occasionally\nPerform activities such as typing, standing, stooping, and sitting, for extended periods of time\nWillingness to occasionally travel or work required nights/weekends/on-call\nDedication to safety to mitigate hazards that may include heat, cold, noise, fumes, strong magnets, lead, high voltage, and cryogenics\n$90,000 - $145,000 a year\nAt 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.\nWe 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.\nThis 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.\n\n#J-18808-Ljbffr","datePosted":"2026-06-17T04:16:58.947Z","dateModified":"2026-06-17T04:16:58.947Z","hiringOrganization":{"@type":"Organization","name":"Commonwealthfusionsystems5","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Harvard","addressRegion":"MA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"415d8658b204ef0ea6af2b78"},"url":"https://jobsearcher.com/jobs/415d8658b204ef0ea6af2b78"}}