Process Development Engineer II, Analytical Sciences: Synthetic and Bioconjugation Scale-Up Technologies (SBST)

Regeneron Pharmaceuticals, Inc • Tarrytown, New York • Posted July 02, 2026

About the Role

Regeneron’s Preclinical Manufacturing & Process Development (PMPD) organization in Tarrytown, NY is seeking a highly motivated Process Development Engineer II to join our Synthetic and Bioconjugation Scale-up Technologies (SBST) Analytics group. In this role, you will serve as the analytical lead to develop fit-for-purpose analytical methods to characterize critical intermediates (small molecules, siRNA, and/or peptides) to support our growing and diverse bioconjugate pipeline. You will lead and implement analytical deliverables working closely with cross-functional teams and external collaborators (CDMOs) to advance bioconjugate programs from development to commercialization.

A Typical Day in the Role of Process Development Engineer II Might Look Like:

  • Design and execute analytical testing, method development and characterization of critical intermediates to enable bioconjugate development.

  • Compile, analyze, and interpret complex dataset...