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Breakthrough Energy Fellows Portfolio Job Board

On-site & Remote

Showing 24 jobs
Barocal

Mechanical Engineer

Cambridge, UK
11 days
Manufacturing
Mechanical or Industrial Engineering
1 - 10 employees
Gencores

Material Chemist

6 days
Manufacturing
Mechanical or Industrial Engineering
1 - 10 employees
Mid-Senior Level
Barocal

R&D Engineer

Cambridge, UK
12 days
Manufacturing
Mechanical or Industrial Engineering
1 - 10 employees
Mid-Senior Level
Barocal

Product Engineer

Cambridge, UK
12 days
Manufacturing
Mechanical or Industrial Engineering
1 - 10 employees
Mid-Senior Level
Marathon Fusion

Engineering Physics Intern (Summer 2026+)

San Francisco, CA, USA

USD 27.88-40.87 / hour

13 days
Manufacturing
Mechanical or Industrial Engineering
11 - 50 employees
Internship
Barocal

Technician

Cambridge, UK
13 days
Manufacturing
Mechanical or Industrial Engineering
1 - 10 employees
Mid-Senior Level
Barocal

Speculative Application

Cambridge, UK
18 days
Manufacturing
Mechanical or Industrial Engineering
1 - 10 employees
Barocal

Electrical Engineer

Cambridge, UK
18 days
Manufacturing
Mechanical or Industrial Engineering
1 - 10 employees
Mid-Senior Level
ChemFinity Technologies

Senior Scale-Up Engineer

Brooklyn, NY, USA

USD 100k-160k / year + Equity

13 days
Chemicals
Manufacturing
1 - 10 employees
Senior
Dioxycle

Senior Software Engineer

Paris, France
Today
Environmental Services
Sustainability
11 - 50 employees
Series A
Senior
Mantel

Spring Engineering Co-Op

Cambridge, MA, USA
1 month
Renewables & Environment
Sustainability
11 - 50 employees
Series A
Internship
Mantel

Contract Operator - Shift Team Lead

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

General Applicant

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

Senior Mechanical Engineer

San Francisco, CA, USA

USD 115k-170k / year + Equity

3 months
Manufacturing
Mechanical or Industrial Engineering
11 - 50 employees
Senior
Marathon Fusion

Research Electrical Engineer

San Francisco, CA, USA

USD 115k-170k / year + Equity

3 months
Manufacturing
Mechanical or Industrial Engineering
11 - 50 employees
Mid-Senior Level
Gencores

Composite Manufacturing Technician

Somerville, MA, USA
4 months
Manufacturing
Mechanical or Industrial Engineering
1 - 10 employees
Associate
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
Environmental Services
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