Regeneron’s Product Biochemistry in Tarrytown, NY is seeking a motivated and innovative Senior Scientist to drive late-stage development (Phase II through commercialization) of biologics. You will develop and deploy analytical methods and purification strategies, enrich and characterize product variants, and help onboard new technologies that deepen product understanding and improve processes across the pipeline. This role is for you if you are scientifically creative, hardworking, efficient, flexible, and able to perform key responsibilities in a fast-paced, team environment.

**Key Responsibilities:**

+ Develop analytical methods and purification protocols to support extended characterization of therapeutic proteins and gene therapy vectors.
+ Conduct biochemical/biophysical characterization to support development, regulatory submissions, and commercialization.
+ Apply DOE, advanced statistics, and risk assessments to evaluate and optimize methods and processes...