Proces Development Engineer III, Bioconjugation Development

Regeneron Pharmaceuticals • Tarrytown, NY, United States • Posted June 15, 2026

Location Tarrytown, NY
Job Type Full-time
Category other-general
Posted June 15, 2026
Regeneron's Preclinical Manufacturing & Process Development group (PMPD), located in Tarrytown NY, is seeking a hardworking and dynamic Process Development Engineer III for its new Synthetic and Bioconjugation Scale-up Technologies (SBST) group. In this exciting new role, you will develop conjugation and purification processes for bioconjugation of proteins to a diverse range of smaller-molecules. You would work in close collaboration with cross-functional teams for process development and optimization using the principles of Quality by Design (QbD) to make the processes suitable for GMP production. This role also involves process scale-up and technology transfer of manufacturing related workflows to Contract Development and Manufacturing Organizations (CDMOs) or Regeneron based manufacturing suites to ensure timely and reliable entrance to the clinic through product commercialization.

**A Typical Day in the role of Process Development Engineer III might include:**

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