Assembly Test Implementation Engineer SPARC Tokamak Team Assembly Devens, MA Devens, MA Full-time 90000 - 145000 About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. 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. 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. 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. If that’s you and this role fits, we want to hear from you. Join the power movement as a Field Mechanical Engineer - Assembly As the Field Mechanical Engineer on the Assembly Team at CFS, you will be the co-owner of the SPARC assembly process. You help guide technicians through any issues that arise along the way and come up with solutions that continue work and assembly moving forward. You will proactively ensure that they have all the tools required for the work, either procuring them off-the-shelf or quickly designing and building small tools and fixtures for use. This also includes the close collaboration with adjacent teams on the Assembly Team, such as creating and incorporating the new process changes with the Assembly Process team or providing the Metrology team with any assistance or tools needed for the precision alignment of coils and other key structures. This role is on-site at Devens, MA but is a “field” role in the sense that you will be working day-to-day in the central construction hall in the CFS-2 facility where we are building the SPARC Tokamak. At the core, your role is to keep the assembly process moving smoothly in all ways using your engineering skills and knowledge to solve the many complex challenges that arise during the assembly process. You will guide how the giant parts of this multi-million pound “swiss-watch” come together! Join the power movement as a Field Mechanical Engineer - Assembly As the Field Mechanical Engineer on the Assembly Team at CFS, you will be the co-owner of the SPARC assembly process. You help guide technicians through any issues that arise along the way and come up with solutions that continue work and assembly moving forward. You will proactively ensure that they have all the tools required for the work, either procuring them off-the-shelf or quickly designing and building small tools and fixtures for use. This also includes the close collaboration with adjacent teams on the Assembly Team, such as creating and incorporating the new process changes with the Assembly Process team or providing the Metrology team with any assistance or tools needed for the precision alignment of coils and other key structures. This role is on-site at Devens, MA but is a “field” role in the sense that you will be working day-to-day in the central construction hall in the CFS-2 facility where we are building the SPARC Tokamak. At the core, your role is to keep the assembly process moving smoothly in all ways using your engineering skills and knowledge to solve the many complex challenges that arise during the assembly process. You will guide how the giant parts of this multi-million pound “swiss-watch” come together! 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. 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. 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. What you'll do:

Transferrable knowledge / skillset to become adept / proficient in all defined specialized test methods from both an engineering and equipment operation perspective – specialized testing includes complexity or hazard introduction for design verification purposes (low voltage, high voltage, high stored energy, etc.)

Support planning functions by scouting field assets for test instruction or procedure planning

Review and approve test procedures / instructions to ensure understanding of scope and identify & mitigate potential risks within both the engineering and technician teams

Collaborate with the technician team to execute a pre-test walkdown of unit or device under test, sensor, adjacent components, subsystems, systems or infrastructure to assess correct scope and hazard recognition when warranted

Collaborate with the technician team to execute custom builds of test equipment / features & mock-up testing for training / derisking purposes (pre-functional testing)

Develop software proficiency with SPARC Assembly workflow management for all test activities

Provide engineering direction when preparatory or execution impedances are encountered via simple or complex troubleshooting - decide between procedural intent and non-intent changes in the field

Adhere to the highest standards of safety and ensure that activities taking place are being performed in strict accordance with CFS safety policies and applicable regulatory safety standards

Ensure that activities being performed in the field are conducted in accordance with CFS Standards, standards published by regulatory bodies (NFPA, ASME, ASTM, NET, OSHA, NIOSH, etc.) and Industry Best Practices

Reinforce test performance standards - pre-job briefs, procedural place keeping, procedural use and adherence, conservative bias, diligent monitoring of critical parameters, correct data capture, attention to detail, etc.

Validate preliminary test outcomes - PASS, FAIL, UNCERTAIN with clear and succinct rationale / communication to integrated stakeholders

Collaborate with technician team to ensure full demobilization in the field / proper stowage of all inventory items.

Formal Test Engineering approval for all required test reports - signature authority

Debrief the test engineering team on performance / procedure feedback to leverage lessons learned, prevent error recurrence and optimize flow for ease of technician execution when deemed prudent

Occasional accommodation of off-normal work hours to support critical test activities

What we’re looking for:

BS in Engineering or related field

5 Years of equivalent engineering experience

Previous testing experience with hazardsPrevious electrical testing experience (high voltage)

High proficiency MS Office, Bluebeam or Acrobat, and 3D modeling programs

Bonus points for:

OSHA 10
NFPA 70E

Must-have Requirements:

Ability to occasionally lift up to 50 lbs

Perform activities such as typing, standing, stooping, climbing or sitting for extended periods of time

Required onsite 5 days/week when assembly operations with relevant tools are underway, with possible alternating first or second shift assignment

Work in a facility that contains industrial hazards including heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, high current, pressure systems, and cryogenics

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