"materials testing" Jobs

545 open tech roles matching “materials testing”, taken straight from company career pages — not reposted from other job boards. Most in demand right now: Python, Mechanical Engineering, AI/ML. Every listing is re-checked daily and closed roles are removed.

Showing 20 of 545 results

Radiant

Own system-level thermodynamic modeling of power conversion architecture for portable nuclear microreactors at Radiant.

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

Join Periodic Labs as an ML Systems Engineer to build and optimize large-scale training and reinforcement learning infrastructure.

Periodic Labs Menlo Park, CA $250k–$350k/yr Published 4 months ago
Flexible on stack
K2 Space

Own the success of mechanical structures and mechanisms for high-power satellites at a fast-paced, high-growth company.

K2 Space Los Angeles, CA $140k–$175k/yr Published 1 year ago
KoBold Metals

Join KoBold as a Senior Software Engineer to enhance mineral exploration through AI and scientific computing.

KoBold Metals Remote $170k–$215k/yr Published 10 months ago
Flexible on stack
K2 Space

Join K2 Space as a Senior Solar Process Engineer to develop and optimize manufacturing processes for high-power solar arrays.

K2 Space Los Angeles, CA $140k–$175k/yr Published 4 months ago
Standard Nuclear

Join Standard Nuclear as a Senior Production Planner to develop production schedules and support scalable manufacturing operations.

Standard Nuclear Oak Ridge, TN Published 3 months ago
Radiant

Lead verification of FPGA designs for safety-critical applications in portable nuclear microreactors at a pioneering startup.

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

Join CesiumAstro as a Senior Mechanical Engineer to develop cutting-edge space hardware for communications satellites.

CesiumAstro Munich, Germany Published 2 weeks ago
SpaceX

Join SpaceX as a Sr. HVAC Design Engineer to design advanced manufacturing facilities and drive global impact in space technology.

SpaceX Hawthorne, CA $135k–$190k/yr Published 3 months ago
Flexible on stack
Valar Atomics

Join Valar Atomics as a Senior Controls Software Engineer to develop and commission control systems for nuclear fuel manufacturing.

Valar Atomics Orangeville, Utah, United States Published 3 weeks ago
Flexible on stack
Meeno

Build an AI-native market intelligence and pricing system for SKU-heavy manufacturers in a 12-week residency.

Meeno Mountain View, CA $10k–$10k/mo Published 2 months ago
Flexible on stack
Mejuri

Join Mejuri as a Senior Allocation Analyst to optimize retail allocation and drive inventory decisions in a hybrid work environment.

Mejuri Toronto CA$70k–CA$90k/yr Published 2 months ago
SpaceX

Join SpaceX as a Sr. Process Engineer to lead the lifecycle of advanced packaging for AI satellite technology.

SpaceX Bastrop, TX Published 1 month ago
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
Valar Atomics

Join Valar Atomics as a Senior OT Data Engineer to own operational data architecture for advanced nuclear systems.

Valar Atomics Torrance, California, United States $170k–$210k/yr Published 1 month ago
Flexible on stack
SpaceX

Join SpaceX as a Sr. Supplier Development Engineer to drive and maintain suppliers for advanced data center solutions.

SpaceX Memphis, TN Published 1 month ago
SpaceX

Join SpaceX as a Sr. Supplier Development Engineer to drive the development and production of advanced data center solutions.

SpaceX Bastrop, TX Published 1 month ago
KoBold Metals

Join KoBold as a Senior Software Engineer to build decision science systems for mineral exploration in a fully remote role.

KoBold Metals Remote $170k–$215k/yr Published 10 months ago
Flexible on stack
K2 Space

Ensure every satellite built at K2 Space meets quality and reliability standards in a fast-paced environment.

K2 Space Los Angeles, CA $140k–$175k/yr Published 1 month ago