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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

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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 16 jobs
Smarter Alloys

Mechanical Design Engineer

Cambridge, ON, Canada
1 month
Health
Medical Devices
Seed
Mid-Senior Level
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about Mechanical Design Engineer at Smarter Alloys
SPAN

Hardware Prototype Technician

San Francisco, CA, USA

USD 93k-125k / year + Equity

2 months
Renewables & Environment
Sustainability
Series B
Mid-Senior Level
Read more
about Hardware Prototype Technician at SPAN
Harbinger

Manager, Software Engineering

Garden Grove, CA, USA

USD 160k-220k / year + Equity

2 months
Automotive
Manufacturing
Series C+
Director
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about Manager, Software Engineering at Harbinger
Harbinger

AME Industrial/Productivity Engineer

Garden Grove, CA, USA

USD 140k-160k / year + Equity

2 months
Automotive
Manufacturing
Series C+
Mid-Senior Level
Read more
about AME Industrial/Productivity Engineer at Harbinger
Muon Space

Environmental Test Engineer

San Jose, CA, USA

USD 164k-177k / year + Equity

2 months
Defense & Space
Government and Military
Series B
Mid-Senior Level
Read more
about Environmental Test Engineer at Muon Space
Muon Space

Senior Mechanical Engineer

USD 181k-202k / year + Equity

3 months
Defense & Space
Government and Military
Senior
Read more
about Senior Mechanical Engineer at Muon Space
Muon Space

Staff Software Engineer, Simulation

San Jose, CA, USA

USD 207k-234k / year + Equity

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

MES Engineer

Garden Grove, CA, USA

USD 120k-140k / year + Equity

3 months
Automotive
Manufacturing
Series C+
Mid-Senior Level
Read more
about MES Engineer at Harbinger
Muon Space

Systems Engineering Intern (Summer 2026)

San Jose, CA, USA

USD 50-50 / hour + Equity

3 months
Defense & Space
Government and Military
Internship
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about Systems Engineering Intern (Summer 2026) at Muon Space
Harbinger

Quality Technician, Chassis/GA (Contract - 2nd shift)

Garden Grove, CA, USA

USD 25-32 / hour

3 months
Automotive
Manufacturing
Series C+
Associate
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about Quality Technician, Chassis/GA (Contract - 2nd shift) at Harbinger
Harbinger

Quality Technician, Battery (Contract - 2nd shift)

Garden Grove, CA, USA

USD 25-32 / hour

3 months
Automotive
Manufacturing
Series C+
Entry Level
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about Quality Technician, Battery (Contract - 2nd shift) at Harbinger
SPAN

Enterprise Systems Architect

Bengaluru, Karnataka, India
4 months
Renewables & Environment
Sustainability
Series B
Senior
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about Enterprise Systems Architect at SPAN
Parity

Building Intelligence Engineer - Boston

Remote
5 months
Software
Series B
Mid-Senior Level
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about Building Intelligence Engineer - Boston at Parity
Muon Space

Staff Software Security Engineer

San Jose, CA, USA

USD 180k-215k / year + Equity

7 months
Defense & Space
Government and Military
Senior
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about Staff Software Security Engineer at Muon Space
Harbinger

Quality Technician, Chassis/GA (Contract)

Garden Grove, CA, USA

USD 25-32 / hour

6+ months
Automotive
Manufacturing
Series C+
Associate
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about Quality Technician, Chassis/GA (Contract) at Harbinger
HYPERLUME

Technical Lead, Microelectronics Systems, ASIC Team

Ottawa, ON, Canada

CAD 130k-250k / year + Equity

6+ months
Telecommunication
Seed
Senior
Read more
about Technical Lead, Microelectronics Systems, ASIC Team at HYPERLUME
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