Serve as subject matter expert for polymeric materials selection, processing, and qualification across solid rocket motor systems including propellants, cases, thermal protection systems (elastomeric, rubber and composite insulation/liners), nozzles, igniters, and other energetic components. Develop and maintain Material Specifications for raw materials, components, and assemblies containing polymeric constituents across all RMS systems including propellants, cases (metal and composite), ablatives, insulators, adhesives, coatings, and nozzle materials.