5+ years of experience developing or producing high-temperature materials or advanced composites, ceramic matrix composites, carbon-carbon, refractory metals, ablatives, or comparable systems; or a Master''s degree with 3+ years; or a PhD in a relevant field with 1+ years of hands-on experience. This position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies.