Intern - R&D Test Engineer - Summer 2026

Commonwealth Fusion Systems; Harvard (MA); On-site; USD 31,684 - 48,216; Part time

Job summary

Commonwealth Fusion Systems is seeking an R&D Test Engineering Intern for Summer 2026. The intern will support the TF R&D team at CFS-1 by assisting in designing and building test stand components for SPARC TF magnet components. Responsibilities include conducting tests and analysis to provide actionable recommendations to support the aggressive timeline of magnet technology development.

The position is based in Devens, MA, with compensation ranging from $23 to $35 per hour, depending on experience.

Qualifications

• Pursuing a degree in Engineering or related field.
• Understanding of design and testing processes.

Responsibilities

• Designing and building test stand components/fixtures for testing.
• Conducting tests and analysis to obtain high quality data.
• Providing actionable recommendations on an aggressive schedule supporting magnet technology development.

Job description

Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy.

R&D Test Engineering Intern (Summer 2026)

The R&D Intern will work with the TF R&D team primarily at CFS-1, to de-risk SPARC TF magnet components. The responsibilities include supporting engineers in designing and building test stand components/fixtures for testing, and conducting tests and analysis to obtain high quality data that informs actionable recommendations on an aggressive schedule supporting magnet technology development.

Responsibilities

• Designing and building test stand components/fixtures for testing.
• Conducting tests and analysis to obtain high quality data.
• Providing actionable recommendations on an aggressive schedule supporting magnet technology development.

Compensation

Hourly rate: $23–$35 per hour.

Location: Devens, MA.