Regeneron's Preclinical Manufacturing & Process Development group (PMPD), located in Tarrytown NY, is seeking a hardworking Process Development Engineer . The Purification Development (PD) group purifies reagents and candidates (novel molecules) to support pipeline and assay development and the release of the clinical and commercial products. PD's early and late stage development includes scalable speed-to-clinic processes and intended commercial processes, respectively. PD also evaluates viral