<div>Commonwealth Fusion Systems (CFS) has the fastest, lowest cost path to commercial fusion energy.</div><div><br></div><div>CFS collaborates with MIT to leverage decades of research combined with groundbreaking new high-temperature superconducting (HTS) magnet technology. HTS magnets will enable compact fusion power plants that can be constructed faster and at lower cost. Our mission is to deploy these power plants to meet global decarbonization goals as fast as possible. To that end, CFS has assembled a team of leaders in tough tech, fusion science, and manufacturing with a track record of rapid execution. Supported by the world’s leading investors, CFS is uniquely positioned to deliver limitless, clean, fusion power to combat climate change. To implement this plan, we are looking to add dedicated people to the team who treat people well, improve our work by adding multifaceted perspectives and new ways of solving problems, have achieved outstanding results through a range of pursuits, and have skills and experience related to this role.</div><div><br></div><div><span style="font-size:16px;">The Materials Department at CFS supports design engineers, supply chain, and manufacturing by guiding the selection of materials that meet design intent, executing testing, validation, and creation of design curves for materials, 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 and mechanical loads driven by high magnetic fields and cryogenic environment, molten salt coolant systems, and manufacturing challenges driven by components’ sizing and processes such as welding and other joining methods. To support this mission, the CFS Materials Department is seeking a Senior Materials Engineer with expertise in continuous fiber reinforced polymer composites.</span></div><div><span style="font-size:16px;"> </span></div><div><span style="font-size:16px;">The ideal candidate has a background in process engineering or mechanical engineering and materials science and/or physics. They will be instrumental in selecting manufacturing processes and materials in critical parts of SPARC which can be safely cured, processed, and machined. The tasks will include, but are not limited to: defining minimum composite materials characterization required for each application, defining the approach to composite mechanical design allowables and testing for composite electrical insulation. With time, this engineer will work cross-functionally to lead the expansion of internal composite testing capabilities and define quality control processes (internal and external).</span></div><br><br><h3>This team member will:</h3><ul><li>Translate performance requirements and failure modes into material property requirements and defining appropriate test methods</li><li>Collaborate with design and manufacturing engineers to approve or select materials and processing methods</li><li>Select and interpret applicable international materials standard specifications</li><li>Author materials standard specifications for fusion specific applications</li><li>Review, interpret, and report materials property data into version controlled database for engineering use</li><li>Design experiments to quickly learn critical materials properties in manufacturing relevant conditions</li><li>Coordinate with external experts to generate new property data on existing materials</li><li>Qualify supplier materials including reviewing test data and judging equivalence or adherence to various standard specifications</li></ul><h3>The ideal candidate will have most, if not all, of these requirements:</h3><ul><li>Bachelor's degree + 8 years experience or equivalent in Materials science engineering, mechanical engineering, applied physics or related field</li><li>1 year of experience with engineering composites in a manufacturing environment</li><li>Experience with continuous fiber reinforced composites</li><li>Experience in failure analysis of composites, ideally glass-fiber reinforced composites</li><li>Experimental design and analysis for mechanical testing of composite materials</li><li>Understanding process-structure-properties-performance principles for composites</li><li>Able to think creatively and possess strong troubleshooting and problem solving skills</li><li>Demonstrated ability to work effectively cross-functionally</li><li>Excellent organizational skills including prioritization of multiple concurrent projects</li><li>Ability to work effectively in a multidisciplinary team of engineers, scientists, technical staff, and others</li><li>Familiarity with nuclear and plasma effects on material properties and performance an asset</li></ul><h3>Additional preferred experience and/or qualifications:</h3><ul><li>Experience making and justifying decisions in fast paced engineering settings</li><li>Structural analysis calculations and modeling mechanical behavior of composite materials</li><li>Authoring of materials standard specifications</li><li>Communicating with technical teams at vendors and suppliers</li><li>Failure modes in electrical breakdown of insulation material</li><li>Materials selection for cryogenic environment applications</li><li>Experience selecting materials and processes to optimize design for manufacturing</li><li>Perform activities such as typing, standing, or 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</li><li>#LI-Hybrid</li></ul><br><div>CFS team members thrive in a fast-paced, dynamic environment and have demonstrated exceptional results through a range of different pursuits.  We all tightly align with our company values of integrity, execution, impact and self-critique.  As we grow, we are looking to add talented people who are mission driven and bring diverse perspectives and new ways of solving problems.</div><div><br></div><div>At CFS, we deeply value diversity and are an equal opportunity employer by choice. We consider all qualified applicants equally for employment. We do not discriminate on the basis 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, ordinance, or regulation.</div>

Creating a clean, limitless energy future through commercial fusion power - Commonwealth Fusion Systems leads the way with innovation and expertise.

Senior Materials Engineer - Composites

<div>Commonwealth Fusion Systems (CFS) has the fastest, lowest cost path to commercial fusion energy.</div><div><br></div><div>CFS collaborates with MIT to leverage decades of research combined with groundbreaking new high-temperature superconducting (HTS) magnet technology. HTS magnets will enable compact fusion power plants that can be constructed faster and at lower cost. Our mission is to deploy these power plants to meet global decarbonization goals as fast as possible. To that end, CFS has assembled a team of leaders in tough tech, fusion science, and manufacturing with a track record of rapid execution. Supported by the world’s leading investors, CFS is uniquely positioned to deliver limitless, clean, fusion power to combat climate change. To implement this plan, we are looking to add dedicated people to the team who treat people well, improve our work by adding multifaceted perspectives and new ways of solving problems, have achieved outstanding results through a range of pursuits, and have skills and experience related to this role.</div><div><br></div><div><span style="font-size:16px;">Generating net energy plasmas in the SPARC tokamak will involve a skilled team of physicists and engineers designing, building, and operating the tokamak and its many systems. The Nuclear Engineer Team tracks, studies, and models the cascade of high energy neutrons, photons, and charged particles generated from DD and DT fusion. The Thermal Fluids Engineering team resolves the cooling needs of systems ranging from plasma-facing components to cryogenically cooled superconducting magnets.  The Senior Methods Development Engineer will support these endeavors through the development of workflows and methods for neutronics analysis and various thermal-hydraulic modeling approaches.  </span></div><div><span style="font-size:16px;"> </span></div><div><span style="font-size:16px;">The Senior Method Development Engineer is responsible for developing cutting-edge solutions for complex neutronics modeling and thermal analysis problems, including software development, workflow standup and testing. Discovery of issues and energetic pursuit of solutions is expected from each team member.</span></div><div><br></div><div><b><span 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.</span></b></div><br><br><h3>This team member will:</h3><ul><li>Standup and test workflows for neutronics analysis, including developing automation software</li><li>Work closely with CFS IT Infrastructures as a super-user for the HPC clusters</li><li>Be accountable for the QA and use of best practices in software development</li><li>Conduct simulations and analyses to verify and optimize radiation transport models</li><li>Provide technical support and expertise to internal team members and external stakeholders</li><li>Provide prompt feedback when a task encounters issues that preclude its timely completion</li><li>Comply with CFS design control processes, including but not limited to:   *Documenting analyses in written files   *Arranging for check and review of analysis files through submission to M-Files   *Upholding high standards of good-faith collaboration and teamwork</li></ul><h3>The ideal candidate will have most, if not all, of these requirements:</h3><ul><li>Bachelor’s degree in Engineering with minimum of 10 years of relevant experience,  MS with minimum of 8 years of experience or PhD with minimum of 5 years or experience preferred, in Nuclear Engineering, Mechanical Engineering or another relevant field</li><li>Experience in radiation transport methods development and software development</li><li>Experience with finite element meshing of CAD-based modeling workflows</li><li>Strong background in Deterministic Radiation Transport Methods, Monte Carlo Radiation Transport Methods and Variance Reduction for coupled neutron/photon transport</li><li>Experience in Computational Fluid Dynamics methods and analysis workflows, including optimizing for accuracy, stability, and speed</li><li>Experience with High Performance Computing and Cloud-based Computing</li><li>Strong general analytical skills with fundamental understanding of the first principles of transport methods and nuclear data</li><li>Experience with the following: Python, FORTRAN, C++, Linux</li><li>Experience with common nuclear engineering software, such as MCNP, OpenMC, FISPACT, ATTILA, SCALE, ORIGEN, etc.</li><li>Knowledge of various nuclear codes and standards</li><li>Strong interpersonal and technical communication skills and the ability to work effectively with a wide range of constituencies in a diverse community as well as foster a cooperative work environment</li></ul><h3>Additional experience and/or qualifications:</h3><ul><li>Perform activities such as typing or sitting for extended periods of time</li><li>Willingness to travel or work required nights/weekends/on-call occasionally</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>#LI-Hybrid</li></ul><br><div>CFS team members thrive in a fast-paced, dynamic environment and have demonstrated exceptional results through a range of different pursuits.  We all tightly align with our company values of integrity, execution, impact and self-critique.  As we grow, we are looking to add talented people who are mission driven and bring diverse perspectives and new ways of solving problems.</div><div><br></div><div>At CFS, we deeply value diversity and are an equal opportunity employer by choice. We consider all qualified applicants equally for employment. We do not discriminate on the basis 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, ordinance, or regulation.</div>

Senior Methods Development Engineer

<div>Commonwealth Fusion Systems (CFS) has the fastest, lowest cost path to commercial fusion energy.</div><div><br></div><div>CFS collaborates with MIT to leverage decades of research combined with groundbreaking new high-temperature superconducting (HTS) magnet technology. HTS magnets will enable compact fusion power plants that can be constructed faster and at lower cost. Our mission is to deploy these power plants to meet global decarbonization goals as fast as possible. To that end, CFS has assembled a team of leaders in tough tech, fusion science, and manufacturing with a track record of rapid execution. Supported by the world’s leading investors, CFS is uniquely positioned to deliver limitless, clean, fusion power to combat climate change. To implement this plan, we are looking to add dedicated people to the team who treat people well, improve our work by adding multifaceted perspectives and new ways of solving problems, have achieved outstanding results through a range of pursuits, and have skills and experience related to this role.</div><div><br></div><div>The role of a Test Engineer is to seamlessly flex between multiple disciplines and groups to effectively execute tests and projects on aggressive schedules supporting Commonwealth Fusion System’s mission. This engineer will be primarily responsible for testing and retiring risks for CFS’ HTS magnets. They must have a fundamental understanding of mechanical, electrical, materials, fluids and software engineering, or some combination thereof. This role in particular heavily emphasizes the mechanical design and construction of the test equipment. They will be responsible for the design, build, and commissioning of equipment in support of development, qualification and production test objectives. They must work collaboratively across manufacturing, R&amp;D, procurement, and SPARC teams to achieve their test campaigns.  It is also the role of the test engineer to constantly push and challenge the requirements, risks, and test objectives that they are given to help the combined stakeholders come to a consensus on why the planned test is required and what data is deemed essential for the outcome to be achieved.</div><br><br><h3>This team member will:</h3><ul><li>Design, analyze, review, procure and build test equipment including structures, fluid systems, mechanical systems and electrical systems</li><li>Develop test plans highlighting the test objectives, key data that are needed and the instrumentation and controls necessary to obtain this data. Ensure data is reliable</li><li>Understand, challenge and maintain well-documented requirements and risks for the system or component under test</li><li>Identify and mitigate safety hazards associated with test equipment. Produce safety documentation such as job hazard assessments and test readiness reviews</li><li>Maintain documentation, schedule and budgets for the test campaign. Documentation includes: design reviews, wiring lists, P&amp;IDs, schematics, CAD assemblies, drawings, and operations software</li><li>Develop test procedures and processes to execute repeatable, reliable test</li><li>Troubleshoot and resolve integration and test discrepancies during build, commissioning and operation</li><li>Iterate on designs, equipment and operations for repeat tests to improve test efficiency</li><li>Perform analyses for the system predicting results and develop custom tools to analyze generated data. Compile test results clearly for review</li><li>Lead anomaly investigations and their resolution, and present results to a team of physicists and engineers</li><li>Execute plans for future expansion, including capital equipment and floor layouts, always having a vision for scalability of systems into a larger context.  Provide visions for multi-use test infrastructure that can be scaled for multiple applications</li></ul><h3>The ideal candidate will have most, if not all, of these requirements:</h3><ul><li>Bachelor's degree in engineering or science field is required; electrical engineering, mechanical engineering or similar, or applied physics degree</li><li>5+ years experience designing/building/commissioning specialized test or industrial equipment</li><li>5+ years using CAD software to design complex assemblies, producing drawings for procurement, GD&amp;T and tolerance stackups</li><li>5+ years experience with analysis of mechanical components, strength of materials and failure criteria. Familiar with use of fasteners and analysis of welds and bolted joints</li><li>Familiarity with electromagnetic fundamentals – voltage, current, resistance, Ohm’s Law, AC/DC, right-hand rule, solenoids, etc.</li><li>Excellent troubleshooting/problem-solving skills with great attention to detail</li><li>Strong desire to improve efficiency and throughput of processes</li><li>Effective at communicating technical topics to both technical and non-technical audiences</li><li>High self-motivation and drive to execute quickly</li><li>A can-do attitude and an eagerness to learn</li><li>Collaboration skills including active listening and facilitating a productive discourse on problems</li><li>Ability to innovate creative solutions to challenging problems</li><li>Willingness to challenge the status quo in search of better, more efficient methods</li><li>Experience with designing and commissioning new test facilities</li><li>Experience with developing and executing test procedures</li><li>Willingness to occasionally travel or work required nights/weekends/overtime</li></ul><h3>Additional preferred experience and/or qualifications:</h3><ul><li>Experience with structural FEA software, especially ANSYS and COMSOL</li><li>Experience using NX and Teamcenter</li><li>Experience with high field magnet testing traditional or superconducting</li><li>Experience with designing fluid systems – P&amp;IDs, component selection, ASME design codes.</li><li>Experience with cryogenic equipment design and use for liquid nitrogen and supercritical helium use – vacuum jacketed equipment, cryocoolers, phase separators, cold traps</li><li>Experience with high vacuum equipment design and use – roughing pumps, turbopumps, ion gauges, residual gas analyzers</li><li>Experience with high voltage and high current power equipment design and use – power supplies, water cooled cables, insulation</li><li>Ability to occasionally lift up to 50 lbs</li><li>Perform activities such as typing, stooping, standing, or 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>#LI-Onsite</li></ul><br><div>CFS team members thrive in a fast-paced, dynamic environment and have demonstrated exceptional results through a range of different pursuits.  We all tightly align with our company values of integrity, execution, impact and self-critique.  As we grow, we are looking to add talented people who are mission driven and bring diverse perspectives and new ways of solving problems.</div><div><br></div><div>At CFS, we deeply value diversity and are an equal opportunity employer by choice. We consider all qualified applicants equally for employment. We do not discriminate on the basis 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, ordinance, or regulation.</div>

R&D Test Engineer

<div>Commonwealth Fusion Systems (CFS) has the fastest, lowest cost path to commercial fusion energy.</div><div><br></div><div>CFS collaborates with MIT to leverage decades of research combined with groundbreaking new high-temperature superconducting (HTS) magnet technology. HTS magnets will enable compact fusion power plants that can be constructed faster and at lower cost. Our mission is to deploy these power plants to meet global decarbonization goals as fast as possible. To that end, CFS has assembled a team of leaders in tough tech, fusion science, and manufacturing with a track record of rapid execution. Supported by the world’s leading investors, CFS is uniquely positioned to deliver limitless, clean, fusion power to combat climate change. To implement this plan, we are looking to add dedicated people to the team who treat people well, improve our work by adding multifaceted perspectives and new ways of solving problems, have achieved outstanding results through a range of pursuits, and have skills and experience related to this role.</div><div><br></div><div>The person in this role is responsible for leading a developing a small multi-discipline test team in efficiently and effectively operating test stands for acceptance testing production hardware on aggressive schedules that support Commonwealth Fusion System’s mission.  These test stands combined high-power electrical systems, cryogenics and vacuum systems so this leader must have a fundamental understanding of mechanical, electrical, materials, fluids and software engineering, or some combination thereof.  He/She/They will be responsible for the understanding and enhancing the test stand design, completing the build and commissioning of the test stands and operating and maintaining the test stands, ensuring a high-quality data product as a result of the test.  This person must work collaboratively across Production, R&amp;D, Procurement, and the SPARC teams to achieve these goals. It is also the role of the test engineer to constantly push and challenge the requirements, risks, and test objectives that they are given to help the combined stakeholders come to a consensus on why the planned test is required and what data is deemed essential for the outcome to be achieved.</div><br><br><h3>This team member will:</h3><ul><li>Perform as a technical expert, a project lead and people leader as necessary to meet the unique project demands</li><li>Mentor and develop team of test engineers</li><li>Lead test campaigns for production test articles, inclusive of:</li><li>	*Understand, challenge and maintain well documented requirements and risks for the system or component under test</li><li>	*Develop, coordinate and collaborate on multi-month test support schedules</li><li>	*Develop and maintain test plans and procedures, highlighting the test objectives, key data that is needed and the instrumentation and controls necessary to obtain this data- Ensure data is reliable</li><li>	*Design, analyze, review, procure and build test equipment including structures, cryogenic and fluid systems, mechanical systems, instrumentation and control (I&amp;C) system and electrical systems</li><li>	*Brief the test plan as part of a Test Readiness Review (TRR)</li><li>Troubleshoot and resolve integration and test discrepancies during build, commissioning and operation</li><li>Iterate on designs, equipment and operations for repeat tests to improve test efficiency</li><li>Perform analyses for the system predicting results and develop custom tools to analyze generated data - Compile test results clearly for review</li><li>Lead anomaly investigations and their resolution, and present results to a team of physicists and engineers</li></ul><h3>The ideal candidate will have most, if not all, of these requirements:</h3><ul><li>Bachelor's degree in engineering or science field is required; electrical engineering, mechanical engineering or similar, or applied physics degree preferred</li><li>10+ years' experience as a test engineer on complex electromechanical systems inclusive of</li><li>	*Test plan and procedure development</li><li> 	*Test operations</li><li>	*Experience with selecting and utilizing instrumentation and control components such as thermocouples, voltage taps, pressure transducers, strain gauges, heaters, flow meters, and solenoid valves</li><li>	*Experience testing, troubleshooting, and debugging electronics hardware and test software</li><li>	*At least 1+ year of experience as a people manager</li><li>Demonstrated ability to lead a complicated multidisciplinary project/project team from conception to completion</li><li>Strong desire to improve efficiency and throughput of processes</li><li>Familiarity with electromagnetic fundamentals – voltage, current, resistance, Ohm’s Law, AC/DC, solenoids, etc.</li><li>Excellent troubleshooting/problem-solving skills with great attention to detail</li><li>Experience developing and effectively presenting comprehensive trade studies comparing the pros &amp; cons of various technical approaches</li><li>Effective at communicating technical topics to both technical and non- technical audiences</li><li>High self-motivation and drive to execute quickly</li><li>A can-do attitude and an eagerness to learn</li><li>Collaboration skills including active listening and facilitating a productive discourse on problems</li><li>Ability to innovate creative solutions to challenging problems</li><li>Experience with designing and commissioning new test facilities</li><li>Experience with developing and executing test procedures</li></ul><h3>Additional preferred experience and/or qualifications:</h3><ul><li>Experience with designing or operating fluid systems – P&amp;IDs, component selection, ASME design codes</li><li>Experience with designing or operating cryogenic equipment design and use for liquid nitrogen and supercritical helium use – vacuum jacketed equipment, cryocoolers, phase separators, cold traps</li><li>Experience with designing or operating high vacuum equipment design and use – roughing pumps, turbopumps, ion gauges, residual gas analyzers</li><li>Experience with designing or operating high voltage and high current power equipment design and use – power supplies, water cooled cables, insulation</li><li>Ability to occasionally lift up to 50 lbs</li><li>Perform activities such as typing, stooping, standing, or 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</li><li>#LI-Onsite</li></ul><br><div>CFS team members thrive in a fast-paced, dynamic environment and have demonstrated exceptional results through a range of different pursuits.  We all tightly align with our company values of integrity, execution, impact and self-critique.  As we grow, we are looking to add talented people who are mission driven and bring diverse perspectives and new ways of solving problems.</div><div><br></div><div>At CFS, we deeply value diversity and are an equal opportunity employer by choice. We consider all qualified applicants equally for employment. We do not discriminate on the basis 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, ordinance, or regulation.</div>

Manager, R&D Test Engineering

<div>Commonwealth Fusion Systems (CFS) has the fastest, lowest cost path to commercial fusion energy.</div><div><br></div><div>CFS collaborates with MIT to leverage decades of research combined with groundbreaking new high-temperature superconducting (HTS) magnet technology. HTS magnets will enable compact fusion power plants that can be constructed faster and at lower cost. Our mission is to deploy these power plants to meet global decarbonization goals as fast as possible. To that end, CFS has assembled a team of leaders in tough tech, fusion science, and manufacturing with a track record of rapid execution. Supported by the world’s leading investors, CFS is uniquely positioned to deliver limitless, clean, fusion power to combat climate change. To implement this plan, we are looking to add dedicated people to the team who treat people well, improve our work by adding multifaceted perspectives and new ways of solving problems, have achieved outstanding results through a range of pursuits, and have skills and experience related to this role.</div><div><br></div><div><span style="font-size:16px;">The role of a Test Engineer is to seamlessly flex between multiple disciplines and groups to effectively execute tests and projects on aggressive schedules supporting Commonwealth Fusion System’s mission. This engineer will be primarily responsible for testing and retiring risks for CFS’ HTS magnets. They must have a fundamental understanding of mechanical, electrical, materials, fluids and software engineering, or some combination thereof. This role in particular heavily emphasizes the mechanical design and construction of the test equipment. They will be responsible for the design, build, and commissioning of equipment in support of development, qualification and production test objectives. They must work collaboratively across manufacturing, R&amp;D, procurement, and SPARC teams to achieve their test campaigns.  It is also the role of the test engineer to constantly push and challenge the requirements, risks, and test objectives that they are given to help the combined stakeholders come to a consensus on why the planned test is required and what data is deemed essential for the outcome to be achieved.</span></div><br><br><h3>This team member will:</h3><ul><li>Develop test plans highlighting the test objectives, key data that are needed and the instrumentation and controls necessary to obtain this data. Ensure data is reliable</li><li>Develop test plans and processes to execute repeatable, reliable test</li><li>Monitor and operate tests of our magnets in cryogenic, vacuum and high-current conditions</li><li>Design, analyze, review, procure and build test equipment including structures, fluid systems, mechanical systems and electrical systems</li><li>Understand, challenge and maintain well-documented requirements and risks for the system or component under test</li><li>Identify and mitigate safety hazards associated with test equipment. Produce safety documentation such as job hazard assessments and test readiness reviews</li><li>Maintain documentation, schedule and budgets for the test campaign. Documentation includes: design reviews, wiring lists, P&amp;IDs, schematics, CAD assemblies, drawings, and operations software</li><li>Troubleshoot and resolve integration and test discrepancies during build, commissioning and operation</li><li>Iterate on designs, equipment and operations for repeat tests to improve test efficiency</li><li>Perform analyses for the system predicting results and develop custom tools to analyze generated data. Compile test results clearly for review</li><li>Lead anomaly investigations and their resolution, and present results to a team of physicists and engineers</li><li>Execute plans for future expansion, including capital equipment and floor layouts, always having a vision for scalability of systems into a larger context.  Provide visions for multi-use test infrastructure that can be scaled for multiple applications</li></ul><h3>The ideal candidate will have most, if not all, of these requirements:</h3><ul><li>Bachelor's degree in engineering or science field is required; electrical engineering, mechanical engineering or similar, or applied physics degree</li><li>5+ years experience designing/building/commissioning specialized test or industrial equipment, using CAD software to design complex assemblies, producing drawings for procurement, GD&amp;T and tolerance stackups with analysis of mechanical components, strength of materials and failure criteria. Familiar with use of fasteners and analysis of welds and bolted joints</li><li>Familiarity with electromagnetic fundamentals – voltage, current, resistance, Ohm’s Law, AC/DC, solenoids, etc.</li><li>Excellent troubleshooting/problem-solving skills with great attention to detail</li><li>Strong desire to improve efficiency and throughput of processes</li><li>Effective at communicating technical topics to both technical and non-technical audiences</li><li>High self-motivation and drive to execute quickly</li><li>A can-do attitude and an eagerness to learn</li><li>Collaboration skills including active listening and facilitating a productive discourse on problems</li><li>Ability to innovate creative solutions to challenging problems</li><li>Willingness to challenge the status quo in search of better, more efficient methods</li><li>Experience with designing and commissioning new test facilities</li><li>Experience with developing and executing test procedures</li><li>Willingness to travel </li><li>Must be willing to work required nights/weekends/on-call occasionally</li></ul><h3>Additional preferred experience and/or qualifications:</h3><ul><li>Experience with structural FEA software, especially ANSYS and COMSOL</li><li>Experience using NX and Teamcenter</li><li>Experience with high field magnet testing traditional or superconducting</li><li>Experience with designing fluid systems – P&amp;IDs, component selection, ASME design codes.</li><li>Experience with cryogenic equipment design and use for liquid nitrogen and supercritical helium use – vacuum jacketed equipment, cryocoolers, phase separators, cold traps</li><li>Experience with high vacuum equipment design and use – roughing pumps, turbopumps, ion gauges, residual gas analyzers</li><li>Experience with high voltage and high current power equipment design and use – power supplies, water cooled cables, insulation</li><li>Ability to occasionally lift up to 50 lbs</li><li>Perform activities such as typing, stooping, standing, or 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>#LI-Onsite</li></ul><br><div>CFS team members thrive in a fast-paced, dynamic environment and have demonstrated exceptional results through a range of different pursuits.  We all tightly align with our company values of integrity, execution, impact and self-critique.  As we grow, we are looking to add talented people who are mission driven and bring diverse perspectives and new ways of solving problems.</div><div><br></div><div>At CFS, we deeply value diversity and are an equal opportunity employer by choice. We consider all qualified applicants equally for employment. We do not discriminate on the basis 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, ordinance, or regulation.</div>

R&D Production Test Engineer

<div>Commonwealth Fusion Systems (CFS) has the fastest, lowest cost path to commercial fusion energy.</div><div><br></div><div>CFS collaborates with MIT to leverage decades of research combined with groundbreaking new high-temperature superconducting (HTS) magnet technology. HTS magnets will enable compact fusion power plants that can be constructed faster and at lower cost. Our mission is to deploy these power plants to meet global decarbonization goals as fast as possible. To that end, CFS has assembled a team of leaders in tough tech, fusion science, and manufacturing with a track record of rapid execution. Supported by the world’s leading investors, CFS is uniquely positioned to deliver limitless, clean, fusion power to combat climate change. To implement this plan, we are looking to add dedicated people to the team who treat people well, improve our work by adding multifaceted perspectives and new ways of solving problems, have achieved outstanding results through a range of pursuits, and have skills and experience related to this role.</div><div><br></div><div>The role of a Senior Test Engineer is to seamlessly flex between multiple disciplines and groups to effectively execute tests and projects on aggressive schedules supporting Commonwealth Fusion System’s mission. This engineer will be primarily responsible for testing and retiring risks for CFS’s HTS magnets. They must have a fundamental understanding of mechanical, electrical, materials, fluids and software engineering, or some combination thereof. They will be responsible for the design, build, and commissioning of equipment and/or software in support of development, qualification and production test objectives. They will also be responsible for leading multidisciplinary teams of engineers and technicians to deliver test campaigns successfully. They must work collaboratively across manufacturing, R&amp;D, procurement, and the SPARC team to achieve these goals.  It is also the role of the test engineer to constantly push and challenge the requirements, risks, and test objectives that they are given to help the combined stakeholders come to a consensus on why the planned test is required and what data is deemed essential for the outcome to be achieved.</div><br><br><h3>This team member will:</h3><ul><li>Perform as a technical expert, a project lead and people leader as necessary to meet the unique project demands</li><li>Mentor and develop team of test and instrumentation and control engineers </li><li>Understand, challenge and maintain well documented requirements and risks for the system or component under test</li><li>Develop test plans highlighting the test objectives, key data that is needed and the instrumentation and controls necessary to obtain this data- Ensure data is reliable</li><li>Design, analyze, review, procure and build test equipment including structures, fluid systems, mechanical systems and electrical systems</li><li>Collaborate with I&amp;C engineers to develop the necessary I&amp;C and data acquisition system</li><li>Maintain documentation, schedule and a budget for the test campaign - Documentation includes: design reviews, wiring lists, P&amp;IDs, schematics, CAD assemblies, drawings, data acquisition systems, and operations software</li><li>Develop test procedures and processes to execute safe test operations</li><li>Troubleshoot and resolve integration and test discrepancies during build, commissioning and operation</li><li>Iterate on designs, equipment and operations for repeat tests to improve test efficiency</li><li>Perform analyses for the system predicting results and develop custom tools to analyze generated data - Compile test results clearly for review</li><li>Lead anomaly investigations and their resolution, and present results to a team of physicists and engineers</li><li>Execute plans for future expansion, including capital equipment and floor layouts, always having a vision for scalability of systems into a larger context</li><li>Provide visions for multi-use test infrastructure that can be scaled for multiple applications</li></ul><h3>The ideal candidate will have most, if not all, of these requirements:</h3><ul><li>Bachelor's degree in engineering or science field is required; electrical engineering, mechanical engineering or similar, or applied physics degree preferred</li><li>5+ years' experience as a test engineer on complex electromechanical systems </li><li>5+ years’ experience with selecting and utilizing instrumentation and control components such as thermocouples, voltage taps, pressure transducers, strain gauges, heaters, flow meters, and solenoid valves </li><li>5+ years’ experience testing, troubleshooting, and debugging electronics hardware and test software </li><li>Demonstrated ability to lead a complicated multidisciplinary project/project team from conception to completion</li><li>Familiarity with electromagnetic fundamentals – voltage, current, resistance, Ohm’s Law, AC/DC, right-hand rule, solenoids, etc. </li><li>Excellent troubleshooting/problem-solving skills with great attention to detail </li><li>Experience developing and effectively presenting comprehensive trade studies comparing the pros &amp; cons of various technical approaches </li><li>Data reduction and analysis skills that can be used in generating anticipated results and processing generated data</li><li>Strong desire to improve efficiency and throughput of processes </li><li>Effective at communicating technical topics to both technical and non-technical audiences </li><li>High self-motivation and drive to execute quickly </li><li>A can-do attitude and an eagerness to learn </li><li>Collaboration skills including active listening and facilitating a productive discourse on problems </li><li>Ability to innovate creative solutions to challenging problems </li><li>Willingness to challenge the status quo in search of better, more efficient methods </li><li>Experience with designing and commissioning new test facilities </li><li>Experience with developing and executing test procedures</li></ul><h3>Additional preferred experience and/or qualifications:</h3><ul><li>Experience with analysis software, especially Python, Comsol and Ansys</li><li>Experience with high field magnet testing traditional or superconducting</li><li>Experience with designing fluid systems – P&amp;IDs, component selection, ASME design codes</li><li>Experience with cryogenic equipment design and use for liquid nitrogen and supercritical helium use – vacuum jacketed equipment, cryocoolers, phase separators, cold traps </li><li>Experience with high vacuum equipment design and use – roughing pumps, turbopumps, ion gauges, residual gas analyzers </li><li>Experience with high voltage and high current power equipment design and use – power supplies, water cooled cables, insulation</li><li>Ability to occasionally lift up to 50 lbs</li><li>Perform activities such as typing, stooping, standing, or sitting for extended periods of time</li><li>Dedication to safety to mitigate hazards that may include heat, cold, noise, fumes, strong magnets, high voltage, and cryogenics</li><li>Willingness to travel or work required nights/weekends/on-call occasionally</li><li>#LI-Onsite</li></ul><br><div>CFS team members thrive in a fast-paced, dynamic environment and have demonstrated exceptional results through a range of different pursuits.  We all tightly align with our company values of integrity, execution, impact and self-critique.  As we grow, we are looking to add talented people who are mission driven and bring diverse perspectives and new ways of solving problems.</div><div><br></div><div>At CFS, we deeply value diversity and are an equal opportunity employer by choice. We consider all qualified applicants equally for employment. We do not discriminate on the basis 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, ordinance, or regulation.</div>

Senior Superconducting Magnet Test Engineer

<div>Commonwealth Fusion Systems (CFS) has the fastest, lowest cost path to commercial fusion energy.</div><div><br></div><div>CFS collaborates with MIT to leverage decades of research combined with groundbreaking new high-temperature superconducting (HTS) magnet technology. HTS magnets will enable compact fusion power plants that can be constructed faster and at lower cost. Our mission is to deploy these power plants to meet global decarbonization goals as fast as possible. To that end, CFS has assembled a team of leaders in tough tech, fusion science, and manufacturing with a track record of rapid execution. Supported by the world’s leading investors, CFS is uniquely positioned to deliver limitless, clean, fusion power to combat climate change. To implement this plan, we are looking to add dedicated people to the team who treat people well, improve our work by adding multifaceted perspectives and new ways of solving problems, have achieved outstanding results through a range of pursuits, and have skills and experience related to this role.</div><div><br></div><div>Generating net energy plasmas in the SPARC tokamak will involve a skilled team of physicists and engineers designing, building, and operating the tokamak and its many systems. The Radiation Effects Engineer tracks, studies, and engineers the cascade of high energy neutrons, photons, and charged particles generated from DD and DT fusion. Radiation Effects Engineers work with multiple engineering disciplines and get to know every part of the SPARC tokamak.</div><div><br></div><div>The Radiation Effects Engineer is responsible for the delivery of radiation transport analyses to support the design, construction, and licensing of the SPARC fusion device. Discovery of issues and energetic pursuit of solutions is expected from each team member.</div><div><br></div><div><b>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.</b></div><br><br><h3>This team member will:</h3><ul><li>Develop analytical solutions for a range of technical challenges to support all SPARC systems related to nuclear engineering technical areas including radiation transport, shielding design, nuclear heating, and far-field dose calculations</li><li>Perform analysis related to neutronics modeling, radiological engineering, design, and operational health physics</li><li>Assessing the impact of radiation on electronics components, equipment, and Tokamak systems</li><li>Provide feedback to design teams on implementing radiation-hardening strategies</li><li>Perform radiation testing and analysis to evaluate the resilience of electronic systems</li><li>Collaborate with EE design lead on design for performance in radiation environments</li><li>Develop and implement radiation mitigation techniques to enhance the reliability of electronic devices</li><li>Be accountable for the quality and accuracy of the previously mentioned work, reports, and presentations</li><li>Provide prompt feedback when a task encounters issues that preclude its timely completion</li><li>Comply with CFS design control processes, including but not limited to:   *Documenting analyses in written files   *Arranging for check and review of analysis files through submission to M-Files   *Upholding high standards of good-faith collaboration and teamwork</li></ul><h3>The ideal candidate will have most, if not all, of these requirements:</h3><ul><li>Bachelor’s degree in Engineering, MS or higher is preferred in Physics, Electrical Engineering, Astrophysics or Nuclear Engineering preferably with diverse experience related to radiation effects, electronics survivability, and radiation transport.</li><li>An MS or PhD and work experience are beneficial but not required</li><li>Experience with both deterministic and Monte Carlo methods of neutron/photon transport</li><li>Experience in radiation effects and equipment survivability in high radiation environments</li><li>Strong analytical skills with fundamental understanding of the first principles of nuclear and radiation physics, radiation transport, and radiation impacts on electronic systems</li><li>Experience with the following: Python, FORTRAN, C++, Linux</li><li>Experience with common nuclear engineering software, such as MCNP, OpenMC, FISPACT, ATTILA, SCALE, ORIGEN, etc.</li><li>Knowledge of various nuclear codes and standards</li><li>Strong interpersonal and technical communication skills and the ability to work effectively with a wide range of constituencies in a diverse community as well as foster a cooperative work environment</li></ul><h3>Additional experience and/or qualifications:</h3><ul><li>Perform activities such as typing or sitting for extended periods of time</li><li>Willingness to travel or work required nights/weekends/on-call occasionally</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>#LI-Onsite</li></ul><br><div>CFS team members thrive in a fast-paced, dynamic environment and have demonstrated exceptional results through a range of different pursuits.  We all tightly align with our company values of integrity, execution, impact and self-critique.  As we grow, we are looking to add talented people who are mission driven and bring diverse perspectives and new ways of solving problems.</div><div><br></div><div>At CFS, we deeply value diversity and are an equal opportunity employer by choice. We consider all qualified applicants equally for employment. We do not discriminate on the basis 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, ordinance, or regulation.</div>

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