Senior Materials Engineer, Composites

Senior Materials Engineer

Radiant is seeking a highly motivated Sr. Materials Engineer to own development, testing, and qualification of in-core materials and related manufacturing processes used in the Kaleidos 1MW nuclear microreactor. The ideal candidate takes great ownership of their work end-to-end, is proficient in materials selection, testing, and analysis, and is excited to work in a highly cross-functional, fast-paced environment. You will be a key contributor to building the world's first mass-produced, rapidly-deployable nuclear reactor.

Responsibilities & Duties

• Develop radiation resistant structural composite materials for Kaleidos and additional nuclear applications.
• Plan and execute materials testing of ceramic composite materials to obtain material properties and inform design decisions.
• Identify, procure, and operate equipment for composite development and production, materials characterization, and materials testing.
• Evaluate data quality and accuracy of material property data for use in company materials database.
• Define or improve manufacturing processes of components to achieve desired material properties.

Required Qualifications & Skills

• 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.
• Hands-on experimental or testing experience in laboratory or production environments.
• 5+ years of experience working in the development, testing, and/or analysis of materials for demanding load cases and environments.

Desired Qualifications & Skills

• 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 with structural ceramics design, characterization, and/or manufacturing.
• Experience with Carbon-Carbon (C/C) Composites or Ceramic Matrix Composites (CMCs), such as C/SiC or SiC/SiC.
• Experience with NDT (non-destructive testing) and inspection of composite materials.
• Knowledge of standard test methods for materials and experience with development of design allowables.
• Self-motivated with strong organizational, written, and oral communication skills.
• Demonstrated ability to work collaboratively with design and operations teams to deliver high-value results.
• Experience with using text-based software development tools (Python or similar).

Additional Requirements

• Must be willing to work extended hours and weekends as necessary to accomplish our mission.
• Must work 100% onsite at El Segundo HQ.