Associate Scientist, Bioassay Development and Screening

At Regeneron, we use science and innovation to develop life-changing medicines for people with serious diseases. We are seeking a highly motivated Associate Scientist to join our Bioassay Development and Screening group within the Therapeutic Proteins Department, supporting our Veloc Immune antibody pipeline. In this role, you will develop and perform cell-based assays that reveal how antibodies act on molecular function and signaling, playing an integral role in the discovery and characterization of therapeutic molecules across diverse disease areas, while collaborating with scientists across neuroscience, immunology, and other therapeutic teams.

This position offers the opportunity to contribute to a fast-growing, science-driven organization making a meaningful difference to patients worldwide.

• Location:
  
  Tarrytown, NY
• Work model:
  Onsite

• Develop and perform cell-based assays in support of the company's Veloc Immune antibody pipeline
• Contribute to the in vitro characterization and screening of therapeutic antibodies across neuroscience, immunology, and other disease areas
• Develop cell lines and characterize them using cell engineering techniques such as transfection, transduction, and CRISPR
• Apply flow cytometry and imaging to characterize cell-based systems
• Develop and optimize bioassays, including luciferase reporter and internalization assays
• Perform primary cell-based assays, including those involving immune cells
• Run high-throughput functional screens using 96- and 384-well plate formats
• Analyze data, organize results, and communicate findings clearly to your supervisor
• Document experiments in an electronic notebook and present data effectively at team meetings

• Bachelor's in biology or a related field with at least 3 years of relevant professional experience, or a Master's degree with 0-3 years of relevant experience
• Proficiency in planning, executing, and analyzing experiments in addition to communicating clearly and presenting data to colleagues
• Experience with mammalian cell culture and hands‑on technical proficiency with in vitro and cell‑based assays
• Familiarity with in vitro assays interrogating molecular and cellular function and signal transduction pathways
• Must thrive in a fast‑paced, collaborative, and multi‑tasking environment, and bring strong organizational skills to daily work
• Preferred qualifications include: cell engineering experience, multi‑well assay experience, cell‑based functional assay experience, flow cytometry and imaging experience, immunology experience, antibody development experience and primary immune cell assay experience

Regeneron is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion or belief (or lack thereof), sex, sexual orientation, gender identity or expression, gender reassignment, marital or civil partnership status, civil status, pregnancy or parental status, age, disability, nationality, citizenship status, ethnic or national origin, membership of the Traveler community, familial status, genetic information, military or veteran status, or any other characteristic protected under applicable law.

Where required, we will provide reasonable accommodation to applicants with known disabilities or chronic illnesses during the recruitment process, unless such accommodation would impose undue hardship.

For additional information about Regeneron benefits in the U.S., please visit  For other locations, additional information will be provided during the recruitment process.

As part of the recruitment process, certain background checks may be conducted in accordance with the laws of the country where the position is based. The purpose of such checks is to verify certain information prior to the commencement of employment such as identity, right to work and educational qualifications.

For jobs in Canada: this posting is for an existing position.

$70,300.00 - $