Senior Scientist - Protein Expression Sciences
Regeneron
September 10, 2026
Full-time
On-site
Tarrytown, NY
Clinical Research and Development
Role: Senior Scientist in Protein Expression Sciences at Regeneron, focusing on developing and optimizing mammalian cell lines for antibody production. Responsibilities include applying innovative expression technologies, performing aseptic cell culture, transfection, flow cytometry, and molecular biology techniques (PCR, cloning, Western blotting). The role involves designing experiments, data analysis, and presenting findings within team and department settings. Requirements: PhD with 0-3 years postdoctoral experience or BS/MS with 4-8 years in Immunology, Cell Biology, or Molecular Biology; hands-on experience in cell culture, flow cytometry, and molecular techniques; strong problem-solving and independent work skills. Preferred: experience with gene editing, lentivirus, CRISPR, NGS; passion for scientific innovation; ability to collaborate in fast-paced environments. Biopharma specifics: focused on biologics, antibody platforms, cell line development, with emphasis on regulatory-compliant processes. Work setup: on-site in Tarrytown, NY, with no travel specified.