"radiation testing" Jobs

367 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 367 results

CesiumAstro

Join CesiumAstro as a Senior Radiation Effects Engineer to develop next-generation space systems in a dynamic startup environment.

CesiumAstro Austin, TX Published 3 weeks ago
Radiant

Lead an interdisciplinary team in nuclear engineering for portable microreactors at Radiant.

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

Support modeling and testing of spacecraft hardware in a radiation environment as a Radiation Effects Engineer Intern.

Astranis San Francisco $29–$29/hr Published 1 month ago
Flexible on stack
Radiant

Lead the electrical architecture for a portable nuclear microreactor at a startup focused on innovative energy solutions.

Radiant El Segundo, CA Published 2 weeks ago
Flexible on stack
K2 Space

Join K2 Space as an RF Antenna Engineer to develop cutting-edge RF systems for the largest satellites ever deployed in space.

K2 Space Los Angeles, CA $110k–$170k/yr Published 1 month 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 4 months ago
Flexible on stack
Astranis

Join Astranis as a Radiation Effects Engineer to model spacecraft radiation environments and guide engineering design constraints.

Astranis San Francisco $120k–$145k/yr Published 1 month ago
Flexible on stack
Radiant

Lead a team of Reactor Operations Engineers to ensure safe and efficient operations of portable nuclear microreactors.

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 4 months ago
Northwood Space

Join Northwood Space as a Development Test Engineer to ensure reliable hardware performance from prototypes to operations.

Northwood Space Torrance, CA, United States $100k–$170k/yr Published 1 week ago
Flexible on stack
Northwood Space

Join Northwood Space as a Development Test Engineer to ensure reliable hardware performance from prototypes to operations.

Northwood Space Torrance, CA, United States $100k–$170k/yr Published 5 days ago
Northwood Space

Join Northwood Space as a Development Test Engineer to build systems ensuring hardware reliability for satellite missions.

Northwood Space Torrance, CA $100k–$170k/yr Published 1 week ago
Radiant

Lead thermal modeling for the Kaleidos microreactor at Radiant, a startup focused on transportable nuclear power solutions.

Radiant El Segundo, CA Published 3 days 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 5 months ago
Northwood Space

Join Northwood Space as a Development Test Engineer to ensure reliable hardware performance from prototypes to operations.

Northwood Space Torrance, CA $100k–$170k/yr Published 5 days ago
Flexible on stack
Valar Atomics

Serve as a senior technical authority for nuclear instrumentation and controls systems at Valar Atomics.

Valar Atomics Torrance, California, United States $173k–$211k/yr Published 1 week 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 10 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 3 months 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 10 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 2 months ago
Flexible on stack