{"schemaVersion":"jobsearcher.job.v1","id":"ece9807e269428b2e4cb5b71","url":"https://jobsearcher.com/jobs/ece9807e269428b2e4cb5b71","canonicalUrl":"https://jobsearcher.com/jobs/ece9807e269428b2e4cb5b71","title":"R&D Production Test Engineer","description":"About Commonwealth Fusion Systems:\n\nCommonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy.\n\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, suppliers, and many others to build the energy industry of the future.\n\nWe’re in the best position to make it happen. Since 2018, we’ve raised $4 billion of capital, making us the largest and leading fusion company in the world.\n\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.\n\nIf that’s you and this role fits, we want to hear from you.\n\nJoin the power movement as an R&D Production Test Engineer\n\nWe’re seeking an experienced Test Engineer to support the testing and de-risking of our cutting-edge HTS magnet technology, playing a key role in advancing fusion energy. Embedded within our R&D organization, you’ll take on a broad range of responsibilities, from developing methodologies and procedures with magnet physicists to conducting root cause analysis alongside manufacturing experts working with complex new materials. This dynamic role demands flexibility, cross-disciplinary collaboration, and the ability to execute tests on tight timelines. You’ll lead the integration and operation of complex test stands, define safety standards, develop and refine procedures, and drive continuous improvement to help achieve our extraordinary milestones in making fusion a reality.\n\nWhat you'll do:\nLead magnet and other test campaigns in cryogenic, vacuum, and high-current environments\nDevelop detailed test procedures and ensure data integrity with robust instrumentation and controls\nSupport improvements to test stands, optimizing for test rate and ensuring data quality\nDesign, analyze, and build test equipment, including mechanical, electrical, and fluid systems\nMaintain and document test requirements, risks, and safety protocols\nManage test schedules, budgets, and technical documentation (P&IDs, CAD designs, schematics, etc.)\nImprove test processes for repeatability and efficiency\nAnalyze test data, create custom tools for data analysis, and present findings to cross-functional teams\nLead anomaly investigations and resolution, collaborating with physicists and engineers\nWhat we’re looking for:\nBachelor’s (or higher) in engineering or applied physics, with 2+ years of hands-on testing experience\nExpertise in test stand operation, data collection, and cross-functional collaboration\nStrong background in test planning, data analysis, and test equipment design\nExperience with electromagnetic fundamentals and troubleshooting complex systems\nA passion for process improvement and innovative problem-solving\nExcellent communication skills, with the ability to present technical topics clearly\nSelf-motivated, results-driven, and eager to learn\nBonus points for:\nExperience with structural FEA software, particularly ANSYS and COMSOL\nProficiency in using NX and Teamcenter for designing complex test equipment and assemblies\nExperience with Ignition for developing Human Machine Interfaces\nProficiency in using Jira or similar ticket and task tracking software for managing projects and status\nExperience with large-scale data collection, manipulation, and analysis to derive actionable insights\nHands-on experience operating complex test stands for long-duration test campaigns\nMust-have requirements:\nAbility to occasionally lift up to 50 lbs\nPerform activities such as typing, climbing, standing, stooping or sitting for extended periods of time\nWillingness to occasionally travel or work required nights/weekends/on-call\nWork in a facility that contains industrial hazards including heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, high current, pressure systems, and cryogenics\nSalary range for this full-time position + equity + benefits. The actual salary will depend on level, location, qualifications, and experience. The range displayed on each job posting reflects new hire salaries for the position across all US locations.\n\nBenefits include:\n• Competitive compensation with equity\n• 13 Company-wide Holidays\n• Flexible vacation days\n• 10 sick days\n• Generous parental leave policy\n• Health, dental, and vision insurance\n• 401(k) with employer matching\n• Professional growth opportunities\n• Team-building activities\n#LI-Onsite\n\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.\n\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.\n\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.","company":"Commonwealthfusionsystems5","rawCompany":"commonwealthfusionsystems5","city":"Devens","state":"MA","isRemote":false,"isActive":false,"createdAt":"2026-09-15T09:40:21.466Z","occupations":[{"code":"17-2199.00","title":"Engineers, All Other","slug":"engineers-all-other"},{"code":"17-2112.02","title":"Validation Engineers","slug":"validation-engineers"},{"code":"17-3029.00","title":"Engineering Technologists and Technicians, Except Drafters, All Other","slug":"engineering-technologists-and-technicians-except-drafters-all-other"}],"industries":[{"code":"541715","title":"Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)","slug":"research-and-development-in-the-physical-engineering-and-life-sciences-except-nanotechnology-and-biotechnology"},{"code":"541330","title":"Engineering Services","slug":"engineering-services"},{"code":"541380","title":"Testing Laboratories and Services","slug":"testing-laboratories-and-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"R&D Production Test Engineer","description":"About Commonwealth Fusion Systems:\n\nCommonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy.\n\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, suppliers, and many others to build the energy industry of the future.\n\nWe’re in the best position to make it happen. Since 2018, we’ve raised $4 billion of capital, making us the largest and leading fusion company in the world.\n\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.\n\nIf that’s you and this role fits, we want to hear from you.\n\nJoin the power movement as an R&D Production Test Engineer\n\nWe’re seeking an experienced Test Engineer to support the testing and de-risking of our cutting-edge HTS magnet technology, playing a key role in advancing fusion energy. Embedded within our R&D organization, you’ll take on a broad range of responsibilities, from developing methodologies and procedures with magnet physicists to conducting root cause analysis alongside manufacturing experts working with complex new materials. This dynamic role demands flexibility, cross-disciplinary collaboration, and the ability to execute tests on tight timelines. You’ll lead the integration and operation of complex test stands, define safety standards, develop and refine procedures, and drive continuous improvement to help achieve our extraordinary milestones in making fusion a reality.\n\nWhat you'll do:\nLead magnet and other test campaigns in cryogenic, vacuum, and high-current environments\nDevelop detailed test procedures and ensure data integrity with robust instrumentation and controls\nSupport improvements to test stands, optimizing for test rate and ensuring data quality\nDesign, analyze, and build test equipment, including mechanical, electrical, and fluid systems\nMaintain and document test requirements, risks, and safety protocols\nManage test schedules, budgets, and technical documentation (P&IDs, CAD designs, schematics, etc.)\nImprove test processes for repeatability and efficiency\nAnalyze test data, create custom tools for data analysis, and present findings to cross-functional teams\nLead anomaly investigations and resolution, collaborating with physicists and engineers\nWhat we’re looking for:\nBachelor’s (or higher) in engineering or applied physics, with 2+ years of hands-on testing experience\nExpertise in test stand operation, data collection, and cross-functional collaboration\nStrong background in test planning, data analysis, and test equipment design\nExperience with electromagnetic fundamentals and troubleshooting complex systems\nA passion for process improvement and innovative problem-solving\nExcellent communication skills, with the ability to present technical topics clearly\nSelf-motivated, results-driven, and eager to learn\nBonus points for:\nExperience with structural FEA software, particularly ANSYS and COMSOL\nProficiency in using NX and Teamcenter for designing complex test equipment and assemblies\nExperience with Ignition for developing Human Machine Interfaces\nProficiency in using Jira or similar ticket and task tracking software for managing projects and status\nExperience with large-scale data collection, manipulation, and analysis to derive actionable insights\nHands-on experience operating complex test stands for long-duration test campaigns\nMust-have requirements:\nAbility to occasionally lift up to 50 lbs\nPerform activities such as typing, climbing, standing, stooping or sitting for extended periods of time\nWillingness to occasionally travel or work required nights/weekends/on-call\nWork in a facility that contains industrial hazards including heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, high current, pressure systems, and cryogenics\nSalary range for this full-time position + equity + benefits. The actual salary will depend on level, location, qualifications, and experience. The range displayed on each job posting reflects new hire salaries for the position across all US locations.\n\nBenefits include:\n• Competitive compensation with equity\n• 13 Company-wide Holidays\n• Flexible vacation days\n• 10 sick days\n• Generous parental leave policy\n• Health, dental, and vision insurance\n• 401(k) with employer matching\n• Professional growth opportunities\n• Team-building activities\n#LI-Onsite\n\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.\n\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.\n\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.","datePosted":"2026-09-15T09:40:21.466Z","dateModified":"2026-09-15T09:40:21.466Z","hiringOrganization":{"@type":"Organization","name":"Commonwealthfusionsystems5","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Devens","addressRegion":"MA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"ece9807e269428b2e4cb5b71"},"url":"https://jobsearcher.com/jobs/ece9807e269428b2e4cb5b71"}}