Senior Associate Scientist

Company: Regeneron Pharmaceuticals, Inc.
Location: Tarrytown
Posted on: March 29, 2026

Job Description:

Regeneron's Assay Development Group (ADG), located in Tarrytown, NY, is seeking a highly motivated Senior Associate Scientist to join the team. The ADG in Bioanalytical sciences develops preclinical and clinical assays to support program pipeline. In this role, you will support ongoing work, sample preparation, assay runs, data processing ensuring compliance with current GxP guidance documentation. A typical day might include: Designs and executes immunoassays (e.g., ELISA) with minimal supervision, based on protocols provided by literature, seminars and other scientists. Troubleshoots assay-related problems with minimal guidance of his/her supervisor and performs follow-up experiments. Suggests modifications to protocols or alternative protocols. Develops immunoassay methods and writes assay validation protocols for review with minimal supervision by supervisor and/or Study Director. Routinely multi-tasks and can work on multiple projects simultaneously. Summarizes and presents results to supervisor in a logical manner, verbally and in written reports or presentations. Expertly performs validation experiments, summarizes results in a tabular manner. Writes/reviews validation reports and procedure documents for review by the Study Director. Communicates effectively with supervisor and other members of the Assay Development Group. This Role Could Be a Great Fit If You Have Experience: Overseeing the preparation of reagents and buffers for use within the Assay Development Group and may coordinate the re-ordering of laboratory supplies and reagents when needed. Effectively operating a range of laboratory instrumentation and may oversee instrument verifications and/or maintenance, if required. Evaluating new technologies for the development of immunoassays using new formats or techniques. Maintain GLP compliance for all laboratory work and documentation related to assay validations in accordance with FDA regulations and company SOPs. Assists in maintaining GLP compliance in the laboratory. Maintain cleanliness of individual and communal work areas. Learn and comply with safety requirements of his/her laboratory. Recognizes potential safety problems and takes action to correct them. In order to be considered for this role, the individual must have Bachelor or Master degree in biology or a related field with 3-6 years of proven experience. Hands-on knowledge in immunoassays using a variety of detection systems and a proven understanding of additional methodologies to measure proteins and immunogenicity is needed. Prior experience in bioanalytical assay development is highly desirable. Does this sound like you? Apply now to take your first step towards living the Regeneron Way! We have an inclusive culture that provides comprehensive benefits, which vary by location. In the U.S., benefits may include health and wellness programs (including medical, dental, vision, life, and disability insurance), fitness centers, 401(k) company match, family support benefits, equity awards, annual bonuses, paid time off, and paid leaves (e.g., military and parental leave) for eligible employees at all levels! For additional information about Regeneron benefits in the US, please visit https://careers.regeneron.com/en/working-at-regeneron/total-rewards/. For other countries specific benefits, please speak to your recruiter. Please be advised that at Regeneron, we believe we are most successful and work best when we are together. For that reason, many of Regenerons roles are required to be performed on-site. Please speak with your recruiter and hiring manager for more information about Regenerons on-site policy and expectations for your role and your location. 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, nationality, national or ethnic origin, civil status, age, citizenship status, membership of the Traveler community, sexual orientation, disability, genetic information, familial status, marital or registered civil partnership status, pregnancy or parental status, gender identity, gender reassignment, military or veteran status, or any other protected characteristic in accordance with applicable laws and regulations. The Company will also provide reasonable accommodation to the known disabilities or chronic illnesses of an otherwise qualified applicant for employment, unless the accommodation would impose undue hardship on the operation of the Company's business. For roles in which the hired candidate will be working in the U.S., the salary ranges provided are shown in accordance with U.S. law and apply to U.S.-based positions. For roles which will be based in Japan and/or Canada, the salary ranges are shown in accordance with the applicable local law and currency. If you are outside the U.S, Japan or Canada, please speak with your recruiter about salaries and benefits in your location. Please note that certain background checks will form part of the recruitment process. Background checks will be conducted in accordance with the law of the country where the position is based, including the type of background checks conducted. The purpose of carrying out such checks is for Regeneron to verify certain information regarding a candidate prior to the commencement of employment such as identity, right to work, educational qualifications etc. Salary Range (annually) $80,300.00 - $131,100.00

Keywords: Regeneron Pharmaceuticals, Inc., West Babylon , Senior Associate Scientist, Science, Research & Development , Tarrytown, New York