Senior Mechanical Engineer (Sheet Metal Structures) (Hiring Immediately)

Confidential · el segundo, ca, United-States

Location
el segundo
Job Type
Full-time
Posted
June 19, 2026

Job Description

Senior Mechanical Engineer (sheet Metal Structures) Location: El Segundo, California, United States Compensation: $133,500 – 207,900 USD / year Job Tags: Hardware About The Role Radiant is seeking a highly motivated Senior Mechanical Engineer to design and develop critical structures within Kaleidos. You will solve unique challenges creating efficient and reliable structures that facilitate fission while surviving extreme temperature environments and meeting volumetric constraints. You will be responsible for the following: trade studies, material selection, detailed structural analysis, assembly, integration, and testing. You will have an instrumental impact of fueling the first new commercial reactor design in over 50 years by 2026. Responsibilities & Duties Ownership of critical structures such as mass-efficient transportable shielding systems, container system, and high temperature graphite and metallic systems. Conduct trade studies and develop designs to meet program req...

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