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Sr. Materials Engineer, Polymer Development

SpaceX·Hawthorne, CA·Posted 14 November 2026

About the role

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SR. MATERIALS ENGINEER, POLYMER DEVELOPMENT The Polymer Development Materials Engineer will participate in/lead the end-to-end development of advanced polymeric materials. In this role you will develop new material solutions such as adhesives, sealants, paints, coatings, thermal protection materials, and emulsions for use across SpaceX’s hardware programs. You will partner closely with customers to define design criteria and performance requirements, drive formulation and process development, coordinate testing with materials laboratories, collaborate with engineering teams on implementation, and work with production teams to successfully scale materials into manufacturing. This position requires strong technical ownership, cross-functional collaboration, and the ability to deliver high-performance materials that meet demanding programmatic needs. RESPONSIBILITIES: Partner with engineers to define…

This is a summary of the advert. The full description and the application are on SpaceX's careers site.

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