Demo

Mechanical Engineer - Cable Magnets

Commonwealth Fusion Systems
Devens, MA Full Time
POSTED ON 11/26/2025
AVAILABLE BEFORE 1/25/2026
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 working with policymakers and suppliers to build the energy industry of the future. We’re in the best position to make it happen. Since 2018, we’ve raised nearly $3 billion in capital, making us the largest and leading private 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 Mechanical Engineer – Cable MagnetsSPARC is the next step to commercial fusion, and it will be the first fusion device to demonstrate Q>1. As a Magnet Design Engineer on the Central Solenoid (CS) Magnet, you will be tasked with designing components that support one of the 3 primary magnet systems that are used to shape and drive the plasma. The CS magnet is a complicated mechanical system that operates in an extreme environment (high vacuum near absolute zero) and it relies on a range of fabrication methods including but not limited to composite layups, welding, forming, and machining. This position will involve all stages of the product lifecycle: blank-page design, CAD and analysis, sourcing and vendor support, testing support, production support, and peer review. The Magnet Design Engineer will work closely with teammates and peers on adjacent teams to ensure that work meets SPARC requirements and is aligned with the broader needs of CFS. The Magnet Design Engineer will present designs to an audience of peers and leadership (including executive leadership) in order to demonstrate that design objectives have been met, and to resolve technical concerns.What you'll do:Design and analyze mechanical structures for the CS magnet using calculationsPresent completed designs for peer and executive reviewIntegrate with existing CFS methodologies and best practices for completion of analysis and documentation materialCAD and Drafting of componentsDevelop test plans and support in test executionSupport production including time on the production floorDesign test or tooling hardware (if required) to support the CS MagnetWhat we’re looking for:Bachelor’s degree in Mechanical Engineering or related fieldSome industry experience (including internship)3 years experience in aerospace, marine, civil structures, or other heavy engineering fieldDynamic electromagnetic loading on structuresPrior work on superconducting magnet designPrior work on vacuum vessel designPrior work on epoxy resin systems and composite layupsAnalysis of thermal conduction and transientsExperience supporting a prototype or production environmentCAD (NX preferred)Mechanical FEA (Ansys preferred)Mechanical first principlesConversational understanding of thermal and electrical resistance networksConversational understanding of fluid dynamicsBonus points for: Familiarity with Maxwell’s equationsStrong presentation and technical communication skillsPython and MATLAB familiarityMust-have Requirements: Ability to occasionally lift up to 50 lbsPerform activities such as typing, standing or sitting for extended periods of time - Inspection of magnets on the production floor may require leaning, crawling, or other irregular movement patterns. This may be needed infrequently during production supportWillingness to travel or work required nights/weekends/on-call occasionallyWork in a facility that contains industrial hazards including heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, high current, pressure systems, and cryogenicsSalary 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. Benefits include:•  Competitive compensation with equity•  12.5 Company-wide Holidays•  Flexible vacation days•  10 sick days•  Generous parental leave policy•  Health, dental, and vision insurance•  401(k) with employer matching•  Professional growth opportunities•  Team-building activities#LI-OnsiteAt 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.

Salary : $57 - $62

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Mechanical Engineer - Cable Magnets?

Sign up to receive alerts about other jobs on the Mechanical Engineer - Cable Magnets career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$74,551 - $88,300
Income Estimation: 
$85,954 - $106,408
Income Estimation: 
$91,017 - $111,627
Income Estimation: 
$85,954 - $106,408
Income Estimation: 
$106,299 - $135,354
Income Estimation: 
$108,186 - $133,193
Income Estimation: 
$134,236 - $174,128
Income Estimation: 
$155,404 - $198,448
Income Estimation: 
$158,725 - $194,124
Income Estimation: 
$155,404 - $198,448
Income Estimation: 
$119,658 - $160,028
Income Estimation: 
$197,917 - $247,739
Income Estimation: 
$75,805 - $90,068
Income Estimation: 
$85,954 - $106,408
Income Estimation: 
$91,017 - $111,627
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Commonwealth Fusion Systems

Commonwealth Fusion Systems
Hired Organization Address Devens, MA Full Time
About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusio...
Commonwealth Fusion Systems
Hired Organization Address Devens, MA Full Time
About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusio...
Commonwealth Fusion Systems
Hired Organization Address Devens, MA Full Time
About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusio...
Commonwealth Fusion Systems
Hired Organization Address Devens, MA Full Time
About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusio...

Not the job you're looking for? Here are some other Mechanical Engineer - Cable Magnets jobs in the Devens, MA area that may be a better fit.

Mechanical Engineer – Cable Magnets

Commonwealth Fusion Systems, Devens, MA

Mechanical Engineer - Cable Magnets

Commonwealth Fusion Systems, Cambridge, MA

AI Assistant is available now!

Feel free to start your new journey!