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Breakthrough Energy Fellows Portfolio Job Board

On-site & Remote

Showing 9 jobs
Mantel

Contract Operator - Shift Team Lead

Trois-Rivières, QC, Canada
13 days
Renewables & Environment
Sustainability
11 - 50 employees
Series A
Mid-Senior Level
ChemFinity Technologies

General Applicant

Brooklyn, NY, USA
1 month
Chemicals
Manufacturing
1 - 10 employees
Entry Level
Marathon Fusion

Senior Mechanical Engineer

San Francisco, CA, USA

USD 115k-170k / year + Equity

1 month
Manufacturing
Mechanical or Industrial Engineering
11 - 50 employees
Senior
Marathon Fusion

Research Electrical Engineer

San Francisco, CA, USA

USD 115k-170k / year + Equity

2 months
Manufacturing
Mechanical or Industrial Engineering
11 - 50 employees
Mid-Senior Level
RIFT

Mechanical Engineer

Eindhoven, Netherlands
6+ months
Renewables & Environment
Sustainability
51 - 200 employees
Series A
Mid-Senior Level
HyperHeat

Design and Test Engineer (f/m/d)

Offenburg, Germany
6+ months
Renewables & Environment
Sustainability
1 - 10 employees
Pre Seed
Associate
Marathon Fusion

Fusion Energy Principal Scientist

San Francisco, CA, USA
6+ months
Manufacturing
Mechanical or Industrial Engineering
11 - 50 employees
Marathon Fusion

Engineering Physics Intern (Spring 2026)

San Francisco, CA, USA
6+ months
Manufacturing
Mechanical or Industrial Engineering
11 - 50 employees
Internship