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 14 jobs
Winnow

Summer intern - Software Test Engineer (2026/2027 graduates)

Cluj-Napoca, Romania
8 days
Software
Internship
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about Summer intern - Software Test Engineer (2026/2027 graduates) at Winnow
Winnow

Summer intern - Software Engineer (2026/2027 graduates)

Cluj-Napoca, Romania
8 days
Software
Internship
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about Summer intern - Software Engineer (2026/2027 graduates) at Winnow
Aquabyte

Senior Software Engineer - Streaming Video

San Francisco, CA, USA

USD 140k-170k / year + Equity

1 month
Series B
Senior
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about Senior Software Engineer - Streaming Video at Aquabyte
Palmetto

Staff Machine Learning Engineer

Mexico City, Mexico
1 month
Media
Online Media
Senior
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about Staff Machine Learning Engineer at Palmetto
Muon Space

Staff Software Engineer, Flight Software

San Jose, CA, USA

USD 240k-270k / year + Equity

2 months
Defense & Space
Government and Military
Senior
Read more
about Staff Software Engineer, Flight Software at Muon Space
Harbinger

Sr. Mechanical Engineer, Frame and Cab

Garden Grove, CA, USA

USD 140k-160k / year + Equity

2 months
Automotive
Manufacturing
Series C+
Senior
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about Sr. Mechanical Engineer, Frame and Cab at Harbinger
Muon Space

Staff Mechanical Engineer - Complex Mission Mechanical Lead

San Jose, CA, USA

USD 201k-223k / year + Equity

2 months
Defense & Space
Government and Military
Senior
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about Staff Mechanical Engineer - Complex Mission Mechanical Lead at Muon Space
Flashfood

Senior Staff / Staff Full-Stack Engineer

United States; Canada; Remote
3 months
Software
Series A
Senior
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about Senior Staff / Staff Full-Stack Engineer at Flashfood
Harbinger

Senior Advanced Manufacturing Engineer, General Assembly

Garden Grove, CA, USA

USD 150k-170k / year + Equity

3 months
Automotive
Manufacturing
Series C+
Senior
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about Senior Advanced Manufacturing Engineer, General Assembly at Harbinger
Muon Space

Senior Mechanical Engineer - Spacecraft Mission Mechanical Lead

San Jose, CA, USA

USD 181k-202k / year + Equity

6 months
Defense & Space
Government and Military
Senior
Read more
about Senior Mechanical Engineer - Spacecraft Mission Mechanical Lead at Muon Space
Cyclic Materials

Project Manager/Project Engineer

Toronto, ON, Canada
6 months
Renewables & Environment
Sustainability
Series B
Mid-Senior Level
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about Project Manager/Project Engineer at Cyclic Materials
Muon Space

Staff Mission Lead Systems Engineer

San Jose, CA, USA; Remote

USD 196k-228k / year + Equity

6 months
Defense & Space
Government and Military
Senior
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about Staff Mission Lead Systems Engineer at Muon Space
Muon Space

Senior Mission Lead Systems Engineer

San Jose, CA, USA; Remote

USD 179k-208k / year + Equity

6 months
Defense & Space
Government and Military
Senior
Read more
about Senior Mission Lead Systems Engineer at Muon Space
Harbinger

Director of Marketing

Garden Grove, CA, USA
6+ months
Automotive
Manufacturing
Series C+
Director
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about Director of Marketing at Harbinger
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