"radiation testing" Jobs

312 open tech roles matching “radiation testing”, taken straight from company career pages — not reposted from other job boards. Most in demand right now: Python, C++, Rust. Every listing is re-checked daily and closed roles are removed.

Showing 20 of 312 results

Radiant

Lead the authorization process for reactor deployment with military partners at a startup focused on portable nuclear microreactors.

Radiant El Segundo, CA Published 1 month ago
Radiant

Join Radiant as a Reactor Operations Engineer to design and implement procedures for groundbreaking nuclear microreactor technology.

Radiant El Segundo, CA Published 3 months ago
CesiumAstro

Join CesiumAstro as a Senior Radiation Effects Engineer II, focusing on radiation hardness assurance for innovative space systems.

CesiumAstro Westminster, CO Published 2 months ago
Valar Atomics

Join Valar Atomics as a Health Physics Technician to support advanced nuclear facilities and ensure radiological safety.

Valar Atomics Orangeville, Utah, United States Published 8 months ago
Radiant

Join Radiant as a Senior Nuclear Engineer to lead modeling methods and reactor physics calculations for innovative nuclear microreactors.

Radiant El Segundo, CA Published 1 month ago
Flexible on stack
CesiumAstro

Join CesiumAstro as a Senior Radiation Effects Engineer II, focusing on radiation hardness assurance for space systems.

CesiumAstro Westminster, CO Published 3 months ago
Radiant

Join Radiant as a Senior Reactor Systems Engineer to design and implement procedures for groundbreaking nuclear microreactor technology.

Radiant El Segundo, CA Published 3 months ago
Radiant

Lead the regulatory engineering efforts for portable nuclear microreactors at a pioneering startup.

Radiant El Segundo, CA Published 4 months ago
Radiant

Join Radiant as a Senior Reactor Operations Engineer to design and implement procedures for groundbreaking nuclear microreactor technology.

Radiant El Segundo, CA Published 5 months ago
K2 Space

Own the success of avionics testing for high-power satellites at a fast-paced, high-growth company.

K2 Space Los Angeles, CA $100k–$150k/yr Published 2 months ago
Flexible on stack
Radiant

Join Radiant as a Senior Thermal Modeling Analyst to drive the development of portable nuclear microreactors in a collaborative environment.

Radiant El Segundo, CA Published 1 month ago
Flexible on stack
Radiant

Join Radiant as a Senior Thermal Modeling Engineer to drive the development of portable nuclear microreactors in a dynamic startup environment.

Radiant El Segundo, CA Published 1 month ago
Flexible on stack
Radiant

Lead thermal-hydraulics analysis for a groundbreaking portable nuclear microreactor at a fast-paced startup.

Radiant El Segundo, CA Published 1 month ago
K2 Space

Join K2 Space as an Environmental Test Technician to oversee complex test campaigns for cutting-edge satellite components.

K2 Space Los Angeles, CA $32–$45/hr Published 2 months ago
Radiant

Join Radiant as a Senior Thermal-Hydraulics Engineer to design and implement simulations for innovative nuclear microreactors.

Radiant El Segundo, CA Published 1 month ago
Flexible on stack
SpaceX

Join SpaceX as an Electromagnetic Effects Test Engineer to ensure electronics performance in harsh electromagnetic environments.

SpaceX Hawthorne, CA $105k–$150k/yr Published 3 months ago
K2 Space

Join K2 Space as a Development Test Engineer to lead component and subsystem testing for high-power satellites.

K2 Space Los Angeles, CA $100k–$140k/yr Published 8 months ago
Flexible on stack
Valar Atomics

Join Valar Atomics as a Quality Assurance Laboratory Technician to ensure high-quality standards in advanced nuclear fuel manufacturing.

Valar Atomics Orangeville, Utah, United States $26–$45/hr Published 1 month ago
K2 Space

Lead testing efforts for high-power satellites, ensuring successful component and system validation in a fast-paced environment.

K2 Space Los Angeles, CA $140k–$175k/yr Published 8 months ago
Flexible on stack
SpaceX

Join SpaceX as an Electromagnetic Effects Test Engineer to ensure hardware performance in extreme electromagnetic environments.

SpaceX Hawthorne, CA $105k–$170k/yr Published 3 weeks ago
Flexible on stack