Mechanical Engineer
$90k - $145kCommonwealth-Fusion-Systems-5
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 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. What you'll do: Provide on-floor, hands-on manufacturing support for pilot and production lines Assess the producibility of designs and provide continuous design improvement Update design documentation with feedback from prototype and pilot builds Assess non-conformances Participate in root cause investigations Suggest and lead prototyping efforts that reduce risk during manufacturing start-up Create standard procedures and contribute to the creation of work instructions Organize and lead design for manufacturing reviews Work with production teams to improve process and/or equipment What we’re looking for: BS in technical field - Mechanical Engineering or equivalent (ex. Manufacturing, Aerospace, Industrial, Materials, etc) 4+ years’ experience in mechanical, manufacturing, or quality engineering Strong communication and collaboration skills Strong analytical and problem solving skills Bonus points for: Basic CAD skills (NX preferred, any acceptable) Expertise in AMSE Y14 GD&T principles Experience in a production environment Design experience of large industrial equipment Design experience with any of the following: Composite materials Welding Vacuum systems Knowledge of Lean or Six Sigma principles Knowledge of quality systems and formal RCCA processes Must-have requirements: Ability to lift up to 50 lbs occasionally Perform activities such as typing, standing, stooping, and sitting, for extended periods of time Willingness to occasionally travel or work required nights/weekends/on-call Dedication to safety to mitigate hazards that may include heat, cold, noise, fumes, strong magnets, lead, high voltage, and cryogenics $90,000 - $145,000 a year 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. #J-18808-Ljbffr Commonwealth-Fusion-Systems-5
$90k - $145k
A leading fusion energy company located in Massachusetts is seeking a Field Mechanical Engineer for its Assembly Team. This role involves co-owning the SPARC assembly process, guiding technicians, and ensuring efficient assembly operations. Candidates should have a Bachelor...SuggestedFlexible hours$55k
TrulyHired is seeking a Building Engineer for Masters Academy International in Stow, Massachusetts. The role involves ensuring the safe and efficient operation of all campus facilities, including HVAC, electrical, and plumbing systems. Candidates should have a high school...Suggested$107.5k - $204.5k
...the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead... ...help shape the future of aerospace and defense. The Radar Mechanical Design Department leads mechanical design, development, and...SuggestedTemporary workWork experience placementWork at officeImmediate startRemote workRelocation packageFlexible hours$55k
Masters Academy International is seeking a skilled Building Engineer to ensure the efficient operation of campus facilities in Stow, MA. You will be responsible for maintaining HVAC, electrical, and plumbing systems while ensuring safety protocols are followed. The ideal...SuggestedFull time$86.8k - $165.2k
...the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead... ...help shape the future of aerospace and defense. The Radar Mechanical Design Department leads mechanical design, development, and...SuggestedTemporary workWork experience placementWork at officeRemote workRelocation packageFlexible hours$79.24k - $118.86k
Job Title: Manufacturing Engineer Location: WMFTS - USA - Supply - Devens, MA Location Type: On-Site Website: Group: When you... ...WM, America Manufacturing Inc. team. You will be driving the Mechanical Engineering development of our assembly processes in Hose, Pumps...ApprenticeshipLocal area$153.5k - $211k
...support our extraordinary teams who build great products and contribute to our growth, we are looking to add a Principal Thermal Mechanical Engineer located in Littleton, MA . Reporting to the Mechanical Development Associate Principal Engineer , the Principal Thermal...Temporary workFlexible hours$23 - $35 per hour
..., 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 Engineering Intern We are looking for a talented Mechanical Engineering Intern to join our team! CFS interns are highly valued within the...Hourly payFull timeInternshipRemote workNight shiftWeekend work$106.5k - $146.5k
...Littleton, MA. Reports to: Product Manager, Product Development. Mechanical Design & Development Own mechanical design for liquid cooling... ...matched to coolant chemistry and operating conditions. Engineering Analysis Perform engineering calculations and simulations related...Temporary workVisa sponsorshipFlexible hours$104.1k - $143.1k
Job Summary Support our extraordinary teams that build high‑efficiency liquid‑cooling solutions as a Mechanical Development Engineer in Littleton, MA. Report to the Product Manager and own the design, analysis, validation, and refinement of mechanical components and assemblies...Temporary workFlexible hours$110k - $185k
...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. Senior Mechanical Engineer We are seeking a highly motivated and experienced Mechanical Engineer to join our manufacturing team. In this role, you will...Flexible hoursNight shiftWeekend work- ...What you'll do: Serve as a domain expert in structural mechanics Solve complex problems and provide recommendations by providing... ...stakeholders across CFS Mentor junior staff within the Structural Engineering Department and other mechanical engineers that conduct...Night shiftWeekend work
$90k - $145k
Commonwealth Fusion Systems in Harvard is seeking a Manufacturing Support Engineer to provide on-floor support for pilot and production lines. Ideal candidates will have a BS in Mechanical Engineering and 4+ years’ experience in the field. The salary for this position...$110k - $185k
Senior Field Mechanical Engineer - Assembly As the Senior Field Mechanical Engineer on the Assembly Team at CFS, you will be responsible for the management, engineering oversight, and problem‑solving of the most complex and unique workstations of the SPARC assembly process...Flexible hoursAfternoon shift$106.5k - $146.5k
Flextronics - The Flex Company is seeking a Mechanical Design Engineer for its JetCool division, specializing in innovative liquid cooling solutions. In this role, you'll manage mechanical design details for components and work closely with cross-functional teams to optimize...Flexible hours- ...manipulation requiring the involvement and review of adjacent sub system experts What we’re looking for: ~ Civil, Mechanical, or Aerospace Engineering B.S. with 5 years' experience ~3+ years' of Mechanical Engineering Experience demonstrating project ownership ~2...Afternoon shift
$110k - $185k
Commonwealth Fusion Systems-5 is looking for a Senior Mechanical Engineer in Harvard, MA. This role involves providing technical expertise in manufacturing and ensuring optimal equipment operations. Candidates must possess 7+ years of mechanical engineering experience and...Flexible hours- ...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 SPARC is the next step to commercial fusion, and it will be the first fusion device to demonstrate Q>1. As a...Full timeFlexible hoursNight shiftWeekend work
$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...$130k - $200k
...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 Staff Mechanical Engineer The Staff Mechanical Engineer is a technical leadership role focused on the development of ports systems. The position...Full timeFlexible hoursNight shiftWeekend work- ...Job Description Job Title: Building Engineer/HVAC Mechanic Location: Fitchburg, MA Duration: Full Time (Permanent) H.V.A.C Level I- Qualifications: One of 3 listed certifications (NATE, HVAC Excellence, UA Star), EPA Universal...Permanent employmentFull timeLocal area
- Scorpion Therapeutics in Harvard, MA is seeking a Senior Specialist, Validation Engineer II to support the implementation of manufacturing and laboratory equipment. Responsibilities include developing validation plans, maintaining equipment in a validated state, and supporting...
- Flextronics - The Flex Company is seeking a Mechanical Development Engineer in Littleton, MA to support high-efficiency liquid-cooling solutions. You will design components, perform engineering analyses, build prototypes, and engage with suppliers to ensure product quality...Flexible hours
$96k - $132k
A leading manufacturing company located in Harvard is seeking a Senior Manufacturing Engineer, Packaging. In this role, you will provide technical leadership to the NPI team, focusing on developing packaging solutions and improving manufacturing operations. Candidates...$108k - $148k
...better outcomes. Job Purpose As the Senior Materials Processing Engineer at VulcanForms Inc., you will work with our Materials... ...develop part cleaning, heat-treating, surface improvement, and mechanical property test campaigns to substantiate part processing parameters...- Commonwealth Fusion Systems is seeking a Senior Field Mechanical Engineer in Harvard, MA. This role focuses on managing complex workstations of the SPARC assembly process and requires ownership of the assembly sequence, problem-solving, and collaboration with diverse teams...
$68.9k - $131.1k
...the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead... ...Department Overview: The Air Defense Ground Equipment Mechanical Design Department is responsible for the mechanical design, development...Temporary workWork experience placementWork at officeRemote workRelocationFlexible hours- ...the staffing needs of our clients and we currently have a job opening that may interest you. Job Description 1. Job Title: Process Engineer Job ID: 21253-1 Duration: 8+ month with potential for extension Process Engineer The Client Devens, MA MS&T organization is...Contract work
$80k - $90k
CBRE is seeking a Building Engineer responsible for the safe operation, monitoring, and maintenance of HVAC, electrical, and life safety systems at a commercial facility in Westford, Massachusetts. Candidates should have over 5 years of experience and an EPA 608 Universal...- ...outstanding, full-time position has become available in the Lowell, MA area for an individual with 8+ years’ experience in HVAC Engineering and Project Management with Design experience. This position would earn a generous base salary and a loaded benefits package including...Full timeWork experience placement
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