Senior R&D Engineer — HTS Magnet Systems

Commonwealth Fusion Systems; United States; Hybrid; USD 120,000 - 170,000; Full time

Benefits offered by this job

Competitive salary

Hybrid work environment

Comprehensive benefits

Job summary

Commonwealth Fusion Systems is seeking a Senior R&D Engineer to lead HTS magnet R&D efforts for the NINT program. You will design and test magnet subsystems, develop and deploy test campaigns, and work across mechanical, electrical, materials, fluids, and systems engineering disciplines.

You will drive analyses, build test equipment, and collaborate with I&C teams to capture critical data and ensure successful SPARC NINT coil readiness. Strong leadership and communication are essential.

Qualifications

• Bachelor’s degree in engineering or science field is required.
• 7+ years’ experience as an R&D or test engineer in complex electromechanical systems.
• Experience leading multidisciplinary engineering projects or technical teams.
• Strong knowledge of static structures and heat transfer.

Responsibilities

• Develop new HTS magnet designs and subsystems; design and build R&D test samples and their manufacturing processes.
• Design, build, and commission test equipment to meet R&D objectives.
• Perform structural, electrical, and thermal analyses to support sample design and predict test results.
• Build expertise in HTS magnets, power delivery, cryogenic cooling, and related subsystems.
• Support production, integration, and commissioning of SPARC NINT coils; resolve HTS magnet build/test issues.
• Maintain documented requirements and risks; align stakeholders on necessary data for success.
• Collaborate with I&C engineers to develop instrumentation and data acquisition systems.
• Maintain documentation, schedules, and budgets for test campaigns; develop tools to analyze data.
• Prepare and deliver presentations with trade studies, design reviews, and data reviews to engineers and physicists.

Skills

Multidisciplinary engineering

Mechanical fundamentals

Electrical fundamentals

Materials & fluids

Systems engineering

Data analysis

Education

Bachelor’s degree in engineering or science

Tools

Siemens NX

CAD software

Data acquisition systems

Job description

Commonwealth Fusion Systems is seeking a Senior R&D Engineer to lead HTS magnet R&D efforts for the NINT program. You will design and test magnet subsystems, develop and deploy test campaigns, and work across mechanical, electrical, materials, fluids, and systems engineering disciplines.

You will drive analyses, build test equipment, and collaborate with I&C teams to capture critical data and ensure successful SPARC NINT coil readiness. Strong leadership and communication are essential.