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Breakthrough Energy Fellows Portfolio Job Board

On-site & Remote

Showing 21 jobs
Marathon Fusion

Senior Mechanical Engineer

San Francisco, CA, USA

USD 115k-170k / year + Equity

25 days
Manufacturing
Mechanical or Industrial Engineering
11 - 50 employees
Senior
Standard Potential

Operations Program Manager

Remote
10 days
Energy
Manufacturing
Mechanical or Industrial Engineering
Sustainability
1 - 10 employees
Mid-Senior Level
Barocal

R&D Engineer

Cambridge, UK
9 days
Pre Seed
Mid-Senior Level
ChemFinity Technologies

General Applicant

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

Research Electrical Engineer

San Francisco, CA, USA

USD 115k-170k / year + Equity

1 month
Manufacturing
Mechanical or Industrial Engineering
11 - 50 employees
Mid-Senior Level
HyperHeat

Working Student Simulation Engineer (f/m/x)

Offenburg, Germany
4 months
Renewables & Environment
Sustainability
1 - 10 employees
Pre Seed
Internship
Dioxycle

R&D Chemical Engineer

Paris, France
4 months
Environmental Services
Sustainability
11 - 50 employees
Series A
Entry Level
Queens Carbon

Mechanical Design and Process Engineer

Montville, NJ, USA
6+ months
Chemicals
Manufacturing
11 - 50 employees
Mid-Senior Level
RIFT

Mechanical Engineer

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

Open application

San Francisco, CA, USA
6+ months
DeepTech
Sustainability
11 - 50 employees
Series A
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
Dioxycle

Open application

Paris, France
6+ months
DeepTech
Sustainability
11 - 50 employees
Series A
Hgen

Principal Mechanical Design Engineer

Los Angeles, CA, USA
6+ months
Renewables & Environment
Sustainability
1 - 10 employees
Seed