Commonwealth Fusion Systems

Develops high-temperature superconducting fusion magnets

Senior Manufacturing Engineer

Manufacturing EngineeringConfirmed live in the last 24 hours

Full-timeDevens, MA, USA$134k - $205k /yr

About the Job

Requirements

A bachelor's degree in Mechanical, Manufacturing, Aerospace, or Electrical Engineering, or a related technical field, or 7+ years of experience in a manufacturing or production engineering role.
At least 7 years of experience in a manufacturing engineering role supporting high-precision or complex hardware assembly.
Hands-on experience troubleshooting electro-mechanical equipment and tooling on the production floor.
Demonstrated experience with Root Cause Corrective Action frameworks and continuous improvement tools, including Lean and Six Sigma.
Strong knowledge of geometric dimensioning and tolerancing, computer-aided design modeling with SolidWorks or NX, and drawing interpretation.
Ability to lift up to 50 pounds occasionally.
Ability to type, stand, stoop, and sit for extended periods.
Dedication to safety when working around hazards that may include heat, cold, noise, fumes, strong magnets, lead, high voltage, and cryogenics.
Willingness to occasionally travel or work required nights, weekends, or on-call.

Responsibilities

Develop, implement, and qualify manufacturing processes for new products to meet quality, cost, and production-rate targets.
Lead the design and procurement of tools, fixtures, and equipment required for efficient production.
Provide hands-on manufacturing engineering support for first-shift production operations.
Troubleshoot complex mechanical, electrical, and automated manufacturing assembly issues.
Maintain and update manufacturing documentation, including standard operating procedures, work instructions, and operation sequencing.
Collaborate with quality, safety, and production management teams to address shift handoffs and non-conformances.
Implement root cause corrective actions for quality non-conformances and process bottlenecks.
Lead process optimization projects to improve safety, yield, cycle time, and cost efficiency.
Serve as the magnet owner, with overall accountability for the shift.

Desired Qualifications

Experience with high-field superconducting magnets, vacuum systems, or cryogenic hardware.
Familiarity with material requirements planning or enterprise resource planning and manufacturing execution system software, such as SAP, Tulip, or Solumina.
Experience working a dedicated shift schedule in a fast-paced environment.
Proficiency with statistical process control and design of experiments methodologies.

Salary Range: 134000 to 205000 (Currency: USD) (Pay period: per-year-salary)

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 Senior Manufacturing Engineer

We are seeking a hands-on, detail-oriented, innovative, and results-driven Manufacturing Engineer to join our team. The successful candidate will be responsible for designing, implementing, and optimizing manufacturing processes to improve productivity, efficiency, and quality across the production line. You will be the magnet owner, holding overall accountability for this shift. This role involves close collaboration with design engineers, production staff, quality assurance, and supply chain teams.

What you'll do:

Develop, implement, and qualify manufacturing processes for new products, ensuring they meet quality, cost, and production rate targets
Lead the design and procurement of tools, fixtures, and equipment required for efficient production
Provide hands-on manufacturing engineering support for first shift production operations
Troubleshoot complex mechanical, electrical, and automated manufacturing assembly issues
Maintain and update manufacturing documentation, including standard operating procedures (SOPs), work instructions, and operation sequencing
Collaborate with cross-functional teams, including quality, safety, and production management, to address shift handoffs and non-conf
Implement root cause corrective actions (RCCA) for quality non-conformances and process bottlenecks
Lead process optimization projects to improve safety, yield, cycle time, and cost efficiency

What we're looking for:

Bachelor’s Degree in Mechanical, Manufacturing, Aerospace, or Electrical Engineering, or related technical field (or
7+ years of experience in a manufacturing or production engineering role
7+ years of experience in a manufacturing engineering role supporting high-precision or complex hardware assembly
Hands-on experience troubleshooting electro-mechanical equipment and tooling on the production floor
Demonstrated experience with Root Cause Corrective Action (RCCA) frameworks and continuous improvement tools (Lean/Six Signa)
Ability to work in a fast-paced, team-oriented environment
Strong knowledge of GD&T, CAD modeling (SolidWorks, NX), and drawing interpretation
Excellent written and verbal communication skills across shift transfers

Bonus points for:

Experience with high-field superconducting magnets, vacuum systems, or cryogenic hardware
Familiarity with MRP/ERP and MES software (e.g., SAP, Tulip, Solumina)
Experience working a dedicated shift schedule in a fast-paced environment
Proficiency with statistical process control (SPC) and DOE methodologies

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
Dedication to safety to mitigate hazards that may include heat, cold, noise, fumes, strong magnets, lead, high voltage, and cryogenics
Willingness to occasionally travel or work required nights/weekends/on-call

#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.

About the Company

Commonwealth Fusion Systems

Develops high-temperature superconducting fusion magnets

Commonwealth Fusion Systems builds fusion energy systems that aim to provide clean, affordable power. It designs tokamaks using high-temperature superconducting magnets to make smaller, less expensive machines. Its flagship SPARC is intended to produce net energy, with ARC envisioned as the first commercial fusion power plant. The company collaborates with MIT and focuses on a data-driven, mission-focused path to scalable fusion energy for large energy users.

Company size: 1,001-5,000
Company stage: Grant
Total funding: $4B
Headquarters: Harvard, MA
Founded: 2018

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