{"schemaVersion":"jobsearcher.job.v1","id":"dbaae6d2789121aef641aff0","url":"https://jobsearcher.com/jobs/dbaae6d2789121aef641aff0","canonicalUrl":"https://jobsearcher.com/jobs/dbaae6d2789121aef641aff0","title":"Senior Structural Mechanical 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 Senior Structural Mechanical Engineer\n\nAs a Senior Structural Mechanical Engineer for CFS, you will serve as an expert in\nstructural mechanics for various projects across the company, including SPARC, ARC,\nand other R&D activities.\nWhat you'll do:\nServe as a domain expert in structural mechanics\nSolve complex problems and provide recommendations by providing technical leadership and collaborating with stakeholders across CFS\nMentor junior staff within the Structural Engineering Department and other mechanical engineers that conduct structural analysis\nAssist Structural Engineering Department management in development, implementation and adoption of best practices, workflows, and overall strategy\nConduct and review structural analysis for various system designs at CFS\nWhat we’re looking for:\nAt least a Bachelor's degree in Mechanical Engineering or a related field\nAt least 7+ years of professional experience performing finite element analysis with multi-disciplinary teams in a product development environment\nStrong knowledge of the fundamentals of computational structural mechanics, including non-linear materials, plasticity, fatigue, solver convergence, and contacts\nHigh self-motivation and personal accountability in decision-making and team supervision.\nStrong leadership acumen, adept at embracing challenges with minimal oversight.\nExcellent problem-solving and creative capabilities.\nExceptional communication and interpersonal skills, with the capability to engage and influence stakeholders at all organizational levels\nBonus points for:\nProficiency in ANSYS Workbench and SpaceClaim\nExperience with electromagnetic and thermal FEA\nAbility to code in Python and APDL\nExperience pre- and post-processing of large computational models in a product development environment.\nFamiliarity with industry codes and standards (e.g., ASME BPVC) related to structural design and analysis of large structures\nMust-have Requirements:\nWillingness to travel or work required nights/weekends/on-call occasionally\nPerform activities such as typing, standing, or sitting for extended periods of time\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-Hybrid\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":"2026-09-09T09:19:11.410Z","occupations":[{"code":"17-2141.00","title":"Mechanical Engineers","slug":"mechanical-engineers"},{"code":"17-2199.00","title":"Engineers, All Other","slug":"engineers-all-other"},{"code":"17-2051.00","title":"Civil Engineers","slug":"civil-engineers"}],"industries":[{"code":"541330","title":"Engineering Services","slug":"engineering-services"},{"code":"332312","title":"Fabricated Structural Metal Manufacturing","slug":"fabricated-structural-metal-manufacturing"},{"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"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Structural Mechanical 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 Senior Structural Mechanical Engineer\n\nAs a Senior Structural Mechanical Engineer for CFS, you will serve as an expert in\nstructural mechanics for various projects across the company, including SPARC, ARC,\nand other R&D activities.\nWhat you'll do:\nServe as a domain expert in structural mechanics\nSolve complex problems and provide recommendations by providing technical leadership and collaborating with stakeholders across CFS\nMentor junior staff within the Structural Engineering Department and other mechanical engineers that conduct structural analysis\nAssist Structural Engineering Department management in development, implementation and adoption of best practices, workflows, and overall strategy\nConduct and review structural analysis for various system designs at CFS\nWhat we’re looking for:\nAt least a Bachelor's degree in Mechanical Engineering or a related field\nAt least 7+ years of professional experience performing finite element analysis with multi-disciplinary teams in a product development environment\nStrong knowledge of the fundamentals of computational structural mechanics, including non-linear materials, plasticity, fatigue, solver convergence, and contacts\nHigh self-motivation and personal accountability in decision-making and team supervision.\nStrong leadership acumen, adept at embracing challenges with minimal oversight.\nExcellent problem-solving and creative capabilities.\nExceptional communication and interpersonal skills, with the capability to engage and influence stakeholders at all organizational levels\nBonus points for:\nProficiency in ANSYS Workbench and SpaceClaim\nExperience with electromagnetic and thermal FEA\nAbility to code in Python and APDL\nExperience pre- and post-processing of large computational models in a product development environment.\nFamiliarity with industry codes and standards (e.g., ASME BPVC) related to structural design and analysis of large structures\nMust-have Requirements:\nWillingness to travel or work required nights/weekends/on-call occasionally\nPerform activities such as typing, standing, or sitting for extended periods of time\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-Hybrid\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":"2026-09-09T09:19:11.410Z","dateModified":"2026-09-09T09:19:11.410Z","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":"dbaae6d2789121aef641aff0"},"url":"https://jobsearcher.com/jobs/dbaae6d2789121aef641aff0"}}