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Environmental Engineer Jobs in El Segundo CA

1 day ago 1. CFD & Combustion Analysis Engineer — Climate Tech, Onsite

Engineering (Energy Engineer, Mechanical Engineer, Environmental Engineer, Systems Engineer)

Arbor Energy is seeking a Combustion Analysis Engineer to perform CFD, transient thermal, and structural analyses on our novel combustion...

CFD & Combustion Analysis Engineer — Climate Tech, Onsite Job

Listing for: Arbor Energy
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1 day ago 2. Thermal Engineer Intern — Portable Nuclear Microreactors

Engineering (Mechanical Engineer, Energy Engineer, Electrical Engineering, Environmental Engineer)

Radiant in El Segundo, CA is seeking a highly motivated Thermal Engineer Intern to join the team for Summer 2027. You will perform...

Thermal Engineer Intern — Portable Nuclear Microreactors Job

Listing for: Radiant
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1 day ago 3. Senior Nuclear Reactor Operations & Procedures Engineer

Engineering (Electrical Engineering, Systems Engineer, Mechanical Engineer, Environmental Engineer)

Decisive Point is seeking a Reactor Operations Engineer in El Segundo, CA, to manage and design procedures for groundbreaking nuclear...

Senior Nuclear Reactor Operations & Procedures Engineer Job

Listing for: Decisive Point
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1 day ago 4. Water Resources Discipline Lead — Senior Project Leader

Engineering (Water Management, Environmental Engineer), Management (Water Management)

Ardurra seeks an experienced Discipline Lead – Water Resources Engineer to guide a team of engineers in Fresno, CA, delivering planning,...

Water Resources Discipline Lead — Senior Project Leader Job

Listing for: Ardurra
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1 day ago 5. Senior Nuclear Engineer - Multiphysics Reactor Design; Onsite

Engineering (Civil Engineering, Engineering Design & Technologists, Mechanical Engineer, Environmental Engineer)

Position: Senior Nuclear Engineer - Multiphysics Reactor Design (Onsite) - Radiant, an El Segundo, CA - based startup, seeks a Staff...

Senior Nuclear Engineer - Multiphysics Reactor Design; Onsite Job

Listing for: Radiant
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4 days ago 6. Lead Nuclear Materials Engineer

Engineering (Materials Engineering, Mechanical Engineer, Quality Engineering, Environmental Engineer)

About Radiant Radiant is an El Segundo, CA - based company building the world's only mass - produced, transportable nuclear...

Lead Nuclear Materials Engineer Job

Listing for: Radiant Industries
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1 week ago 7. Discipline Lead – Water Resources Engineer

Engineering (Environmental Engineer, Water Management), Management (Water Management)

Discipline Lead – Water Resources EngineerPosted on October 26, 2026Locations - Showing 1 location - Fresno, CA 93720, USA -...

Discipline Lead – Water Resources Engineer Job

Listing for: Ardurra
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1 week ago 8. Lead Reactor Operations Engineer

Engineering (Systems Engineer, Electrical Engineering, Environmental Engineer, Operations Management)

About Radiant Radiant is an El Segundo, CA - based startup building the world’s first mass - produced, portable nuclear microreactors....

Lead Reactor Operations Engineer Job

Listing for: Radiant Industries
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1 week ago 9. Manager, Regulatory Systems Engineering

Engineering (Regulatory Compliance Specialist, Systems Engineer, Electrical Engineering, Environmental Engineer)

About Radiant Radiant is an El Segundo, CA - based startup building the world’s first mass - produced, portable nuclear microreactors....

Manager, Regulatory Systems Engineering Job

Listing for: Radiant Industries
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