Devens, MA, USA

Commonwealth Fusion Systems

Intern - Mechanical/Manufacturing Engineer - Spring, Summer 2026

Intern - Mechanical/Manufacturing Engineer - Fall 2025

Advancing clean, reliable, affordable energy solutions that will lead us to a net-zero emissions future.

Breakthrough Energy Investments, LLC

Breakthrough Energy Ventures

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Breakthrough Energy Ventures Portfolio Company Career Opportunities

Intern - Mechanical/Manufacturing Engineer - Spring, Summer 2026

Intern - Mechanical/Manufacturing Engineer - Fall 2025