<div><strong style="font-size:16px;">About Commonwealth Fusion Systems: </strong></div><div> </div><div><span style="font-size:16px;">Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy.</span></div><div> </div><div><span style="font-size:16px;">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, suppliers, and many others to build the energy industry of the future.</span></div><div> </div><div><span style="font-size:16px;">We’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.</span></div><div> </div><div><span style="font-size:16px;">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. </span></div><div> </div><div><span style="font-size:16px;">If that’s you and this role fits, we want to hear from you.</span></div><div><br></div><div><strong style="font-size:16px;">Join the power movement as a Staff Materials Engineer - Metallurgical Engineering</strong></div><div><p>The Materials Department at CFS supports design engineers, supply chain, and manufacturing by selecting materials, unambiguously defining materials and their properties, validating and measuring those materials and their properties, and conducting R&amp;D to develop new materials and processes to enable fusion power deployment. The work is undertaken in support of delivering SPARC, the net energy tokamak under construction in Devens, MA, and ultimately in designing the ARC fusion power plant. These devices pose unique materials challenges including neutron fluxes produced by deuterium-tritium fusion, high heat loads, molten salt coolant systems, complex component topologies, high magnetic fields, and high cryogenic mechanical loads. To support this mission, the CFS Materials Department is seeking a Senior Materials Engineer with expertise in metals and alloys in both R&amp;D and production environments.</p></div><br><br><h3>What you'll do:</h3><ul><ul style="list-style-type:disc;"><li>Translate component and system performance requirements and failure modes into verifiable critical material property requirements under manufacturing-relevant conditions, and define appropriate test methods to measure and validate those properties</li><li>Identify materials and processes that enable the high-volume manufacturing of structures and systems under demanding operating conditions, with a focus on manufacturability, scalability, and cost consciousness</li><li>Select and interpret applicable international materials standards and specifications, and author materials specifications for fusion-specific applications</li><li>Serve as a technical lead for materials development projects when commercially available materials do not meet application requirements</li><li>Collaborate with design, supply chain, and manufacturing engineers to select, approve, and qualify materials and processing methods</li><li>Provide on-demand subject matter expertise for production root cause analyses and corrective action plans involving raw or as-fabricated materials</li><li>Review, interpret, and report materials property data in version-controlled databases for engineering use</li></ul></ul><h3>What we’re looking for:</h3><ul><li>Master’s degree with post-graduate experience in metallurgy, materials science, or a related discipline. Depending on experience and qualification, a bachelor’s degree will also be considered</li><li>Minimum of 10+ years experience</li><li>Experience with large-scale metal production processes, such as casting, forging, rolling, and drawing, and/or large-scale joining processes, such as soldering</li><li>Experience collaborating and communicating effectively with technical teams at vendors and suppliers</li><li>Familiarity with scaling metal and alloy design and development from R&amp;D to full-scale products.</li><li>Strong understanding of process–structure–properties–performance relationships in materials.</li><li>Knowledge of materials behavior in cryogenic and high-temperature applications, and the effects of nuclear and plasma environments is a plus</li><li>Strong problem-solving skills, with the ability to approach new and under-defined problems with creativity.</li><li>Experience with agile project management and effective task execution</li><li>Ability to work effectively in a multidisciplinary team of engineers, scientists, technical staff, and other stakeholders</li><li>Ability to operate effectively within a flexible, service-oriented engineering organization</li></ul><h3>Bonus points for: </h3><ul><li>Demonstrated success in delivering new alloys or materials processes from design and development through at-scale implementation</li><li>Experience authoring materials standards and specifications</li><li>Experience communicating materials design and development approaches, results, and performance metrics to both technical and executive leadership</li><li>Demonstrated ability to make and justify materials and engineering decisions in fast-paced development and production environments</li><li>Demonstrated ability to take under-defined problems and drive them to completion</li></ul><h3>Must-have Requirements: </h3><ul><li>Perform activities such as typing and sitting for extended periods of time</li><li>Dedication to safety to mitigate industrial hazards that may include heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, and cryogenics</li><li>Willingness to travel or work required nights/weekends/on-call occasionally. Travel less than 10%</li></ul><br><div><span style="font-size:10px;">#LI-Onsite</span></div><div><br></div><div><span style="font-size:16px;">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.</span></div><div> </div><div><span style="font-size:16px;">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.</span></div><div> </div><div><strong style="font-size:16px;">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.</strong></div>

<p>The world needs a fundamentally new source of clean energy to meet our growing energy demands and combat climate change. Scientists have been studying fusion for decades and have made significant progress, but have yet to achieve its potential as a commercial power source. However, its promise has continued to drive interest with the understanding that successfully deployed fusion power would transform the world&rsquo;s energy landscape.</p>
<p>Commonwealth Fusion Systems (CFS) was spun out of MIT's Plasma Science and Fusion Center to leverage the decades of fusion research combined with the innovation and speed of the private sector. Supported by the world&rsquo;s leading investors in breakthrough energy technologies, the CFS team is uniquely positioned to deliver the fastest path to commercial fusion energy. CFS has assembled a world-class team to design and build fusion machines. This team includes experts in magnets, manufacturing, and plasma physics dedicated to the mission of delivering clean, limitless fusion power to the world.</p>

Staff Materials Engineer - Metallurgical Engineering

<div><strong>About Commonwealth Fusion Systems: </strong></div><div> </div><div><span>Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy.</span></div><div> </div><div><span>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, suppliers, and many others to build the energy industry of the future.</span></div><div> </div><div><span>We’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.</span></div><div> </div><div><span>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. </span></div><div> </div><div><span>If that’s you and this role fits, we want to hear from you.</span></div><div><br /></div><div><strong>Join the power movement as a Staff Materials Engineer - Metallurgical Engineering</strong></div><div><p>The Materials Department at CFS supports design engineers, supply chain, and manufacturing by selecting materials, unambiguously defining materials and their properties, validating and measuring those materials and their properties, and conducting R&amp;D to develop new materials and processes to enable fusion power deployment. The work is undertaken in support of delivering SPARC, the net energy tokamak under construction in Devens, MA, and ultimately in designing the ARC fusion power plant. These devices pose unique materials challenges including neutron fluxes produced by deuterium-tritium fusion, high heat loads, molten salt coolant systems, complex component topologies, high magnetic fields, and high cryogenic mechanical loads. To support this mission, the CFS Materials Department is seeking a Senior Materials Engineer with expertise in metals and alloys in both R&amp;D and production environments.</p></div><br /><br /><h3>What you'll do:</h3><ul><ul><li>Translate component and system performance requirements and failure modes into verifiable critical material property requirements under manufacturing-relevant conditions, and define appropriate test methods to measure and validate those properties</li><li>Identify materials and processes that enable the high-volume manufacturing of structures and systems under demanding operating conditions, with a focus on manufacturability, scalability, and cost consciousness</li><li>Select and interpret applicable international materials standards and specifications, and author materials specifications for fusion-specific applications</li><li>Serve as a technical lead for materials development projects when commercially available materials do not meet application requirements</li><li>Collaborate with design, supply chain, and manufacturing engineers to select, approve, and qualify materials and processing methods</li><li>Provide on-demand subject matter expertise for production root cause analyses and corrective action plans involving raw or as-fabricated materials</li><li>Review, interpret, and report materials property data in version-controlled databases for engineering use</li></ul></ul><h3>What we’re looking for:</h3><ul><li>Master’s degree with post-graduate experience in metallurgy, materials science, or a related discipline. Depending on experience and qualification, a bachelor’s degree will also be considered</li><li>Minimum of 10+ years experience</li><li>Experience with large-scale metal production processes, such as casting, forging, rolling, and drawing, and/or large-scale joining processes, such as soldering</li><li>Experience collaborating and communicating effectively with technical teams at vendors and suppliers</li><li>Familiarity with scaling metal and alloy design and development from R&amp;D to full-scale products.</li><li>Strong understanding of process–structure–properties–performance relationships in materials.</li><li>Knowledge of materials behavior in cryogenic and high-temperature applications, and the effects of nuclear and plasma environments is a plus</li><li>Strong problem-solving skills, with the ability to approach new and under-defined problems with creativity.</li><li>Experience with agile project management and effective task execution</li><li>Ability to work effectively in a multidisciplinary team of engineers, scientists, technical staff, and other stakeholders</li><li>Ability to operate effectively within a flexible, service-oriented engineering organization</li></ul><h3>Bonus points for: </h3><ul><li>Demonstrated success in delivering new alloys or materials processes from design and development through at-scale implementation</li><li>Experience authoring materials standards and specifications</li><li>Experience communicating materials design and development approaches, results, and performance metrics to both technical and executive leadership</li><li>Demonstrated ability to make and justify materials and engineering decisions in fast-paced development and production environments</li><li>Demonstrated ability to take under-defined problems and drive them to completion</li></ul><h3>Must-have Requirements: </h3><ul><li>Perform activities such as typing and sitting for extended periods of time</li><li>Dedication to safety to mitigate industrial hazards that may include heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, and cryogenics</li><li>Willingness to travel or work required nights/weekends/on-call occasionally. Travel less than 10%</li></ul><br /><div><span>#LI-Onsite</span></div><div><br /></div><div><span>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.</span></div><div> </div><div><span>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.</span></div><div> </div><div><strong>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.</strong></div>

Staff Materials Engineer - Metallurgical Engineering

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About the Company

Commonwealth Fusion Systems (CFS)

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