Senior Supplier Development Engineer

Commonwealth Fusion Systems

1050

Devens, MA, United States

Posted on: 2025-09-12

Category: renewables

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Employment type:

Full time

Experience required:

Senior

Salary

Salary not provided

About the company:

Commonwealth Fusion Systems (CFS) is on a mission to deliver clean fusion energy to the planet fast enough to matter for humanity’s biggest challenges.

It’s urgent. The gap between the energy we need and the energy we have is widening every day. Fusion is a critical part of the energy transition away from fossil fuels, a new chapter for the world’s energy supply.

We’re committing to delivering fusion power plants and a full-fledged fusion energy industry as we’ve delivered on other promises. Like the world’s strongest high-temperature superconducting magnet, the game-changing technology that’s making commercial fusion energy a reality.

We’ve raised over $2 billion in capital — more than any other fusion energy company — and attracted top talent to design, build, and deliver commercial fusion power plants. And we’re working with policymakers and suppliers to make fusion energy available globally.

As we push toward the fusion-energy future, we’ll keep setting and meeting milestones, sharing and validating our progress, and encouraging others to do the same.

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.

The Senior Supplier Development Engineer role is to partner with different business units, such as Design Engineering, R&D, Quality and Procurement, to coach & develop critical suppliers in achieving performance targets, expanding capacity, hitting certain quality requirements and providing consistent product.

#LI-Hybrid

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:

Lead troubleshooting efforts and root cause investigations while ensuring effective corrective action implementation

Perform on-site and virtual audits for new domestic and international suppliers

Analyze supplier capabilities and approve suppliers for use in providing specific products or services

Partner with Engineering to support defining program quality requirements for specific components.

Train suppliers on CFS quality requirements and systems

Review and approve quality deliverables from suppliers

Partner with Buyers, Category Managers, and Supplier Integration Managers to provide formal input on source selection decisions while ensuring quality risks are mitigated

Conduct or support first article inspections

Monitor and observe test procedures

Inspect parts accurately using approved measurement tools and interpret inspection reports. Develop inspection and test procedures

Design and develop required process controls and quality plans

Facilitate the creation and execution of PFMEA processes and applicable elements of APQP

Support ISO 9001 implementation

Support creation of manufacturing instructions to document quality critical characteristics

Perform process capability studies and measurement systems analysis

Collaborate with a cross-functional team of Buyers and Manufacturing, Design, and Operations Engineers to establish high-quality manufacturing lines and system prototypes

Support cost reduction projects including planning, coordinating with stakeholders, estimating completion, and project updates

Be a Change Agent. Identify gaps in processes, articulating gap closure plans, and manage performance improvement against a specified schedule

Partner with Supplier Integration Managers on capability identification and development. Support and monitor production ramp-up and capacity expansion projects.

Support internal and external negotiations at high levels or with persons of influence frequently

Support the development of contractual documents with Legal and Supply Chain

Establish preferred suppliers by category. Create and implement related management programs to develop, continuously improve, manage the performance of, and monitor KPIs and KPOs within the supply base.

Adhere to all supply chain policies, procedures, guidelines and instructions including those regarding the procurement of materials, intellectual property, and export compliance

What we’re looking for:

Bachelor’s Degree in Engineering

7+ years experience in Supplier Development or Quality roles

Experience with chemical production and industrial process equipment fabrication

Experience with advanced technical activities such as supplier assessments & audits, including Quality Management Systems (e.g., ISO 9001, AS 9100, IATF 16949)

Knowledge of advanced technical activities such as product manufacturing (e.g., machining), special processes (e.g., Plating, Heat treat, Welding), and chemical manufacturing

Mastery of specialized quality tools such PPAP (PFMEA, Control Plan, MSA) capacity analysis and Lean Six Sigma initiatives

Experience in developing and implementing continuous improvement projects

Experience using ERP systems and other procurement tools

Demonstrated ability to teach and educate others that have little background on the subject at hand

Experience with Google Suite

Exceptional communications skills

Strong collaboration and relationship building skills

Time management skills

Works with Integrity

Strong customer service skills

Remarkable problem-solving skills

Works well under pressure

Possesses excellent judgment

Effectively partners with suppliers within a global supply base

Bonus points for:

Masters Degree

Certifications preferred: Six Sigma Certification (Yellow, Green or Black Belt) (preferred) and/or ISM / ASCM certification(s)

Experience in a start-up or high growth environment

Experience in manufacturing environment

Experience in highly regulated industries

Must-have Requirements:

Perform extended activities such as stooping, climbing, typing, standing, sitting, etc.

Perform extended periods of phone or teleconference work

Willingness to travel or work required nights/weekends/on-call regularly; travel expected to be minimum 25%

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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