Materials Engineer, Moderator Materials

Radiant Industries•El Segundo, CA

1d•$106,500 - $146,475

About The Position

Radiant is seeking a Materials Engineer to own development, testing, and qualification of in-core moderator and reflector materials and related manufacturing processes for the Kaleidos 1 MW nuclear microreactor. The role calls for end-to-end ownership, proficiency in materials selection, testing, and analysis, and the ability to work cross-functionally in a fast-paced environment. The engineer will contribute to developing a mass-produced, rapidly deployable nuclear reactor.

Requirements

Bachelor’s degree from an accredited institution in Materials Science and Engineering, or in Mechanical, Aeronautical, Nuclear, or Chemical Engineering with a materials science and engineering focus.
At least 2 years of experience developing, testing, and/or analyzing materials for demanding load cases and environments.
Hands-on experimental or testing experience in laboratory or production environments.

Nice To Haves

Master’s or PhD degree from an accredited institution in Materials Science and Engineering, or in Mechanical, Aeronautical, Nuclear, or Chemical Engineering with a materials science and engineering focus.
Experience developing and qualifying nuclear moderator and reflector materials for high-temperature and irradiation environments.
Knowledge of standard materials test methods and experience developing design allowables.
Self-motivation and strong organizational, written, and oral communication skills.
Demonstrated ability to collaborate with design and operations teams to deliver high-value results.
Experience using text-based software development tools such as Python.

Responsibilities

Plan and execute materials testing to obtain properties that inform design decisions.
Develop and qualify application-specific manufacturing processes, such as graphitization, hot isostatic pressing, and extrusion.
Provide expert guidance on selecting materials for moderator and reflector components in Kaleidos.
Lead research and development efforts for advanced moderator and reflector materials.
Develop and execute test campaigns to qualify moderator and reflector materials using in-house materials testing and characterization equipment, and coordinate with outside laboratories and vendors.
Evaluate the quality and accuracy of material-property data for use in the company materials database.
Define or improve component manufacturing processes to achieve desired material properties.

Benefits

Substantial incentive stock plan for all full-time employees.
Medical coverage up to the base silver-level plan at 100% for employees and 50% for dependents, with plans up to Platinum available.
Sponsored One Medical memberships for employees and dependents.
Vision coverage at 100% for the top-tier plan and 50% for dependents.
Dental coverage at 100% for the top-tier plan, with orthodontia extra, and 50% coverage for dependents.
Voluntary life, accident, hospital, and critical illness coverage, plus commuter benefits and FSA/HSA, offered as employee-contributed benefits.
Eight weeks of paid parental leave for all parents, with additional paid pregnancy leave for California employees.
Daily catered lunch and free snacks and drinks.
Flexible PTO policy.
Remote workday allocation.
Company and team-bonding events, happy hours, and in-person camaraderie.