HTS R&D Engineer - Superconducting Materials

Commonwealth Fusion Systems

190

Devens, MA, United States

Posted on: 2025-08-28

Category: renewables

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Employment type:

Full time

Experience required:

Intermediate

Salary

Salary not provided

About the company:

Commonwealth Fusion Systems (CFS) has the fastest, lowest cost path to commercial fusion energy.

CFS is collaborating with MIT to leverage decades of research combined with new groundbreaking high-temperature superconducting (HTS) magnet technology. HTS magnets will enable compact fusion power plants that can be constructed faster and at lower cost.

The mission is to deploy fusion power plants to meet global decarbonization goals as fast as possible. CFS has assembled a team of leaders in tough tech, fusion science, and manufacturing with a track record of rapid execution. Supported by the world’s leading investors, CFS is uniquely positioned to deliver limitless, clean, fusion power to combat climate change.

If you are interested in joining our team, check out cfs.energy/careers for more information.

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 over $2 billion in capital – more than any other fusion energy company in the U.S.

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 an HTS R&D Engineer - Superconducting Materials

We are seeking an R&D Superconducting Materials Engineer to join our team. In this role, you'll conduct research and development on cutting-edge high-temperature superconducting (HTS) materials and high-field magnets. This is an excellent opportunity for a highly motivated individual to apply their skills in a hands-on lab environment and contribute to innovative projects.

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.

#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.

What you'll do:

Perform hands-on characterization of HTS materials using various techniques including transport, magnetization, mechanical and microscopy techniques

Plan and execute experiments to understand and quantify the effects of strain, AC losses and irradiation of superconducting material on the performance of HTS

Design and build experimental setups for material characterization and magnet testing

Analyze and interpret data, and present your findings to both technical and non-technical audiences

Collaborate with the team and other stakeholders on projects involving high-field magnets

What we’re looking for:

Master's degree or higher in Physics, Mechanical, Electrical, or Nuclear Engineering, Materials Science, or a related field.

3+ years experience with superconducting materials, particularly high-temperature superconductors (HTS) like REBCO.

Practical experience in a lab setting, including experience working with high field electromagnets.

Familiarity with the use of cryogens, such as liquid nitrogen and liquid helium

Design of long term projects and project management

Strong analytical skills for data processing and analysis

Excellent communication skills, both written and verbal

Bonus points for:

Experience in measuring response of irradiation on HTS

Experience working with high field magnets

Experience in preparing and characterizing REBCO using optical and electron microscopy tools

Experience working with vacuum and cryo-cooled systems

Experience communicating with technical teams including vendors and suppliers

1+ years experience working in a production environment

Experience processing and analyzing large quantities of data and applying statistics

Experience programming instrumentation such as power supplies, nano voltmeters, and temperature controllers using LabView or equivalent software

Computational modeling with COMSOL or ANSYS

Proficiency with sample preparation and use of optical and electron microscopes

Knowledge of fundamental statistical analysis

Must-have Requirements:

Ability to occasionally lift up to 50 lbs

Perform activities such as stooping, typing, standing, or 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

Willingness to travel or work required nights/weekends/on-call occasionally

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