Mechanical Engineer - Cable Magnets
Commonwealth Fusion Systems
Job Description
Job Description
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 Mechanical Engineer – Cable Magnets
As a Mechanical Engineer for the Cable Magnets Engineering team, you will own hardware from early concepts to delivery. You will develop the design, performing thermal, structural, and electromagnetic analysis to ensure the hardware meets requirements. You will develop design notes, technical specifications, and other documentation necessary to manufacture and install the Cable Magnet hardware and supporting systems. In your role you will also support procurement in the preparation and execution of manufacturing contracts, and support CFS production and assembly teams through build and installation of your designs.
What you'll do:- Act autonomously as the primary owner of cable magnet hardware for SPARC, ARC, or other projects, ensuring designs are completed, validated, procured, built, and installed correctly and on time
- Produce new and iterate on existing design concepts, using a deep understanding of physics, structural mechanics, and analysis techniques for both metallics and composites
- Liaise with partner teams such as R&D, analysis, manufacturing, and procurement to drive completion of program milestones in a timely fashion
- Diagnose issues on the production and assembly line and provide immediate path forward based on known understanding of hardware. Propose and implement design solutions based on root cause
- Prepare reports, presentations, and other documentation to serve as design documentation and validation of final Cable Magnet systems
- Bachelor’s degree in mechanical engineering, aerospace engineering, or another relevant field
- A minimum of 5 years of engineering design and analysis experience is required, including at least 2 years providing engineering support to production hardware in the form of resolving technical issues and implementing design for manufacturing or assembly changes
- Relevant hands-on experience in the form of parts designed for high loads and/or extreme environments
- Excellent fundamental knowledge of mechanical systems such as static structures and heat transfer
Familiarity with all steps in the design process with an emphasis on creativity, simplicity, and execution - Be self-motivated, committed to self-growth, and exhibit excellent problem-solving skills
- CAD proficiency (required) NX preferred, any acceptable
- FEA (required) ANSYS and COMSOL preferred
- Demonstrated record of design of mechanical components beyond desktop scale. E.g. high power (MW+), high mass (ton+), high force (MN+)
- Expertise in AMSE Y14 GD&T principles
- Experience in production or heavy equipment assembly environments
- Design experience with
Electromagnets
Vacuum systems
Welding
Composite materials
Radiation environments
Cryogenic environments
- Perform activities such as sitting for extended periods of time
- 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
- Perform activities such as sitting for extended periods of time
- Occasional travel, occasional nights/weekends/on-call
Salary 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
• 13 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-Onsite
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.
- ...of a team. If that’s you and this role fits, we want to hear from you. Join the power movement as a Senior Mechanical Engineer – Cable Magnets As a Senior Mechanical Engineer for the Cable Magnets Engineering team, you will own hardware from early concepts...CableFull timeImmediate startFlexible hoursNight shift
$90k - $145k
A leading fusion energy company in Massachusetts is seeking a Mechanical Engineer - CableMagnets to design components for the Central Solenoid Magnet. The ideal candidate will have a bachelor's degree in Mechanical Engineering, significant industry experience, and strong...Cable$90k - $145k
...fits, we want to hear from you. Join the power movement as a Mechanical Engineer - CableMagnets SPARC is the next step to commercial fusion,... ...it will be the first fusion device to demonstrate Q>1. As a Magnet Design Engineer on the Central Solenoid (CS) Magnet, you will...CableInternshipFlexible hoursNight shiftWeekend work- ...Join the power movement as a Field Mechanical Engineer - Assembly As the Field Mechanical... ...installation of various manifolds and magnet sub-assemblies Determine and execute... ...layup, and curing. ~ Experience with cable, tubing, bracing alignment and securing...CableFull timeFlexible hoursAfternoon shift
$110k - $185k
...Senior Field Mechanical Engineer - AssemblyAs the Senior Field Mechanical Engineer on the Assembly Team at CFS, you will be responsible for... ...definition including the installation of various manifolds and magnet sub-assembliesDetermine and execute solutions for identified...SuggestedFull timeFlexible hoursAfternoon shift- ...you. Join the power movement as a R&D Engineer The NINT Magnet R&D team is responsible for testing... ...have a fundamental understanding of mechanical, electrical, materials, fluids, and systems... ...use - power supplies, water‑cooled cables, insulation Experience debugging...CableFlexible hoursNight shiftWeekend work
$45 - $55 per hour
...assembly, testing, and troubleshooting of fiber optic cable assemblies. Perform mechanical integration of fiber-related components, including passthrough... ..., and technical findings. Collaborate with engineering teams to troubleshoot and resolve fiber optic system challenges...CableContract workMonday to FridayDay shift- ...want to hear from you. Join the power movement as a Senior Mechanical Engineer As a Senior Mechanical Engineer on the Assembly Team... ...development for the alignment plan for precision placement for magnet and vessels by providing tools for successful handling and...Afternoon shift
- ...the power movement as a R&D Test Engineer The role of a Test... ...and retiring risks for CFS’ HTS magnets. They must have a fundamental understanding of mechanical, electrical, materials, fluids... ...– power supplies, water cooled cables, insulation Essential Requirements...CableFull timeFlexible hoursNight shiftWeekend work
$110k - $185k
...from you.As a Senior Controls Engineer, you are an expert in core... ...engineer on complex electro-mechanical systemsMastery of programming... ...failureFamiliarity with rotating machinery, cable winding, soldering, and/or... ..., cold, noise, fumes, strong magnets, lead, high voltage, and...CableFull timeImmediate startFlexible hoursNight shiftWeekend work- ...the power movement as an Assembly Process Engineer - Contract As a SPARC Assembly... ...in the integration of complex and large mechanical structures (e.g. aerospace, chemical) and... ...including heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, high current,...Contract work
$106k - $171k
...outcomes.Job PurposeAs a Sr. Manufacturing Equpiment Development Engineer, Consumer Technology, you will serve as a primary technical... ...executing formal equipment qualification protocols (IQ/OQ/PQ) and mechanical troubleshooting frameworks.Hands-on familiarity with at least...$30 - $48 per hour
...cooperation with Operations, Engineering, Quality, and other departments... ...fusion machine Perform mechanical integration of small assemblies... ...splicing techniques and cable assemblies ~ Experienced with... ..., cold, noise, fumes, strong magnets, lead (Pb), high voltage, and...CableOdd jobFull timeFlexible hoursNight shiftWeekend workDay shift$135.3k - $250.5k
...the interest of national security. Job Title: Lead, Optical Engineer (Space Optical Systems) Job Code: 41375 Job Location:... ...program design review cycles in consultation with system and mechanical design personnel. Demonstrate strong interpersonal skills and...Local areaRelocationRelocation packageFlexible hours$32 - $52 per hour
...the handling, alignment, and mechanical integration of large electromagnetic... ...systems, and superconducting cable bundles, all together into a... ...and collaboratively with the engineers, the metrology group, the... ..., cold, noise, fumes, strong magnets, lead (Pb), high voltage, and...CableOdd jobFull timeFlexible hoursShift workNight shiftWeekend workDay shift- ...from you. Join the power movement as a Senior Manager, Mechanical Engineering CFS is looking for a creative, experienced mechanical... ...hazards that may include heat, cold, noise, fumes, strong magnets, lead, high voltage, and cryogenics Salary range for this...Full timeRemote workFlexible hoursNight shiftWeekend work
- ...hear from you. Join the power movement as a Manager, Field Mechanical Engineering - Assembly The Manager, Field Mechanical Engineering... ...hazards including heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, high current, pressure systems, and...Full timeFlexible hoursNight shiftWeekend workAfternoon shift
- Contract Mechanical Engineer We are seeking a highly motivated and experienced Mechanical Engineer to join our manufacturing team. In this role... ...hazards that may include heat, cold, noise, fumes, strong magnets, lead, high voltage, and cryogenics. $45 - $65 annually...Contract workNight shiftWeekend work
- ...and/or equipment Qualifications: BS in technical field - Mechanical Engineering or equivalent (ex. Manufacturing, Aerospace, Industrial, Materials... ...hazards that may include heat, cold, noise, fumes, strong magnets, lead, high voltage, and cryogenics At CFS, we excel in...Night shiftWeekend work
- ...Senior / Principal Electrical Engineer – Embedded Systems & PCB DesignWe are seeking a Senior or Principal Electrical Engineer to design... ...design experiencePreferred: NEC and NFPA 79 experience, cable and wire harness design, AutoCAD Electrical, industrial automation...CableLocal area
- ...Join the power movement as an Assembly Test Implementation Engineer This position is overall responsible for the preparation, execution... ...industrial hazards including heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, high current, pressure systems, and...Full timeFlexible hoursAfternoon shift
$110k - $185k
...production operation and we are looking to hire a senior industrial engineer to lead continuous improvement of our manufacturing processes... ...hazards that may include heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, and cryogenicsWillingness to travel or...Full timeNight shiftWeekend work- ...diverse range of commodities, including custom machined parts, cable and wire harnesses, PCBs, subassemblies, and specialized manufacturing... ..., evaluate, and qualify new suppliers. Collaborate with Engineering and Production to support prototype builds, manage part...CableVisa sponsorshipRelocation package
$20 - $27 per hour
...level low voltage technicians who are interested in a long term career in a trade. This role will be strictly working with low voltage cables including CAT5/CAT6/Fiber optic cable, this is not an electrical role and will not lead to electrical hours. The average day will...CablePermanent employmentContract workTemporary workDay shift- ...diverse range of commodities, including custom machined parts, cable and wire harnesses, PCBs, subassemblies, and specialized manufacturing... ..., evaluate, and qualify new suppliers Collaborate with Engineering and Production to support prototype builds, manage part obsolescence...CableFull timeRelocation package
$100k - $150k
...Mechanical Project Manager The Mechanical Project Manager (PM) is responsible for leading assigned projects to success by fostering strong customer relationships and ensuring projects are completed on time, within budget, and to the highest standards of quality and...For subcontractor$60k - $75k
...and maintain server and network equipment Perform structured cabling (copper and fiber optic) Execute hardware deployments and decommissions... ...accurate documentation and asset tracking Collaborate with engineering and operations teams Participate in capacity planning and...CablePermanent employmentFull timeShift workNight shiftWeekend work- ...Job Description Our client is seeking a Manufacturing Project Engineer to lead engineering projects involving production equipment,... ...Responsibilities: Troubleshooting : Diagnose and resolve mechanical, electrical, PLC, and automation issues. Documentation : Assist...For contractorsRelocationVisa sponsorship
$90k - $145k
...are looking for a hands-on Manufacturing Engineer to captain our overnight operations. You... ...of high-temperature superconducting magnets continues safely and efficiently when the... ...we're looking for:BS in Manufacturing, Mechanical, or Industrial Engineering (or equivalent...Full timeTemporary workMonday to FridayFlexible hoursShift workNight shiftWeekend workWeekday work$110k - $185k
...the Power Movement as a Senior Process Engineer The SPARC Cryoplant (CRYP) team is responsible... ...for: Bachelor of Science in Mechanical, Chemical, or Process Engineering... ...include heat, cold, noise, fumes, strong magnets, lead, high voltage, and cryogenics...Full timeFor contractorsCasual workFlexible hoursShift workNight shiftWeekend work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Mechanical Engineer - Cable Magnets. Be the first to apply!



