Offices

Toronto, Canada
MaRS Discovery District
101 College Street, Suite 155
Toronto, ON, Canada, M5G 1L7

San Francisco, USA

Oslo, Norway
PierX, Bryggegata 3, 0250 Oslo

Contact

General inquiries

Portfolio Careers

ArcTern Careers

If you're looking for a new challenge in the earthtech sector, we encourage you to take a look at these postings from our thriving partner companies

We’re on a mission to find, fund and help earthtech entrepreneurs as they work to solve our most pressing environmental challenges—and we’re always on the lookout for talent. If you’re passionate about finding sustainable solutions that will make an impact on both the climate and the new economy, we’d love to hear from you.

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On-site & Remote

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Showing 48 jobs
Harbinger

Sr. Electrical Systems Engineer

Garden Grove, CA, USA

USD 140k-160k / year + Equity

6 days
Automotive
Manufacturing
201 - 1000 employees
Series B
Senior
Read more
about Sr. Electrical Systems Engineer at Harbinger
Muon Space

Electrical Engineering Intern (Summer 2026)

Mountain View, CA, USA

USD 50-50 / hour + Equity

11 days
Defense & Space
Government and Military
51 - 200 employees
Series B
Internship
Read more
about Electrical Engineering Intern (Summer 2026) at Muon Space
Muon Space

Electrical Hardware Engineer

Mountain View, CA, USA

USD 162k-189k / year + Equity

17 days
Defense & Space
Government and Military
51 - 200 employees
Series B
Associate
Read more
about Electrical Hardware Engineer at Muon Space
SPAN

Staff NPI Engineer (PCBA)

San Francisco, CA, USA

USD 120k-160k / year + Equity

6 days
Renewables & Environment
Sustainability
201 - 1000 employees
Series B
Mid-Senior Level
Read more
about Staff NPI Engineer (PCBA) at SPAN
Harbinger

Principal AME Equipment Engineer, GA

Garden Grove, CA, USA

USD 160k-190k / year + Equity

12 days
Automotive
Manufacturing
201 - 1000 employees
Series B
Senior
Read more
about Principal AME Equipment Engineer, GA at Harbinger
Muon Space

Environmental Test Technician

San Jose, CA, USA

USD 61-89 / hour + Equity

1 month
Defense & Space
Government and Military
51 - 200 employees
Series B
Mid-Senior Level
Read more
about Environmental Test Technician at Muon Space
SPAN

IT Engineer

Bengaluru, Karnataka, India
1 month
Renewables & Environment
Sustainability
201 - 1000 employees
Series B
Mid-Senior Level
Read more
about IT Engineer at SPAN
Parity

Building Intelligence Engineer - Boston

Remote
1 month
Non-Profit Organization Management
1 - 10 employees
Mid-Senior Level
Read more
about Building Intelligence Engineer - Boston at Parity
Harbinger

Powertrain Manufacturing Test Engineer

Garden Grove, CA, USA

USD 120k-150k / year + Equity

1 month
Automotive
Manufacturing
201 - 1000 employees
Series B
Mid-Senior Level
Read more
about Powertrain Manufacturing Test Engineer at Harbinger
Palmetto

Senior Product Operations Manager, New Hardware

Charlotte, NC, USA
1 month
Renewables & Environment
Sustainability
201 - 1000 employees
Senior
Read more
about Senior Product Operations Manager, New Hardware at Palmetto
Muon Space

Simulation Engineer

Mountain View, CA, USA; Remote

USD 129k-192k / year + Equity

1 month
Defense & Space
Government and Military
51 - 200 employees
Series B
Mid-Senior Level
Read more
about Simulation Engineer at Muon Space
Cyclic Materials

Senior Electrical Engineer

Toronto, ON, Canada
2 months
Renewables & Environment
Sustainability
51 - 200 employees
Series B
Senior
Read more
about Senior Electrical Engineer at Cyclic Materials
Muon Space

Senior FPGA Engineer

Mountain View, CA, USA

USD 144k-213k / year + Equity

2 months
Defense & Space
Government and Military
51 - 200 employees
Series B
Senior
Read more
about Senior FPGA Engineer at Muon Space
SPAN

Staff Systems Test Verification Engineer

Bengaluru, Karnataka, India
2 months
Renewables & Environment
Sustainability
201 - 1000 employees
Series B
Mid-Senior Level
Read more
about Staff Systems Test Verification Engineer at SPAN
HYPERLUME

Hardware Engineer for Optical Link

Ottawa, ON, Canada
2 months
Telecommunication
11 - 50 employees
Seed
Mid-Senior Level
Read more
about Hardware Engineer for Optical Link at HYPERLUME
Parity

Senior Building Intelligence Engineer - NY

New York, NY, USA
2 months
Non-Profit Organization Management
1 - 10 employees
Mid-Senior Level
Read more
about Senior Building Intelligence Engineer - NY at Parity
Harbinger

Principal AME Equipment Engineer, Battery

Garden Grove, CA, USA

USD 160k-190k / year + Equity

2 months
Automotive
Manufacturing
201 - 1000 employees
Series B
Senior
Read more
about Principal AME Equipment Engineer, Battery at Harbinger
SPAN

Senior Backend Engineer

Bengaluru, Karnataka, India
3 months
Renewables & Environment
Sustainability
201 - 1000 employees
Series B
Senior
Read more
about Senior Backend Engineer at SPAN
Muon Space

Software Engineer - Test Infrastructure

Mountain View, CA, USA

USD 144k-190k / year + Equity

3 months
Defense & Space
Government and Military
51 - 200 employees
Series B
Mid-Senior Level
Read more
about Software Engineer - Test Infrastructure at Muon Space
Muon Space

Manufacturing Engineer

Mountain View, CA, USA

USD 140k-155k / year + Equity

3 months
Defense & Space
Government and Military
51 - 200 employees
Series B
Mid-Senior Level
Read more
about Manufacturing Engineer at Muon Space
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