Associate Scientist, Bioassay Development & Screening

At Regeneron, we use science and innovation to develop life-changing medicines for people with serious diseases. We are seeking an Associate Scientist to join our Bioassay Group within the Therapeutic Proteins Department, supporting the discovery and development of therapeutic antibodies and cell-based therapies. In this role, you will develop and execute cell-based assays using engineered mammalian cell lines and primary human immune cells to evaluate drug candidate activity and mechanism of action, contributing to the screening, characterization, and advancement of preclinical and clinical drug candidates across Regeneron's innovative pipeline in oncology, immunology, and related therapeutic areas. This position offers the opportunity to contribute to a fast-growing, science-driven organization making a meaningful difference to patients worldwide. When & where: Shift Requirements: Full-time, standard business hours, with flexibility to support before- and after-hours executive meetings, town halls, and corporate events Location: On-site in Tarrytown, NY Flexibility & travel: Minimal to no travel; must be available on-site consistently What you'll do: Culture mammalian cell lines and primary immune cells Generate and characterize engineered cell lines Develop and execute cell-based functional assays in high-throughput formats Perform flow cytometry and other cell-based characterization studies Analyze data, troubleshoot experiments, and maintain accurate records Present findings and collaborate with cross-functional teams Let's find out if we're a fit: Must-haves: BS with 1+ years of relevant experience or MS in a life sciences discipline Experience with mammalian cell culture and cell engineering techniques Experience with cell-based assays and data analysis Strong communication, organization, and problem-solving skills Scientifically curious, eager to learn new technologies, and capable of effectively collaborating across multidisciplinary teams Ability to manage multiple projects, interpret complex data, and present scientific findings to cross-functional stakeholders Preferred / nice-to-haves: Flow cytometry experience Knowledge of immunology and immune cell functional assays Thrive today. Grow tomorrow. Student Loan Paydown program & Tuition Reimbursement Family Care Benefits Relocation Assistance Inclusion, Culture and Well-Being programs (including physical & mental health) Does this sound like you? Apply now to take your first step towards living the Regeneron Way! We are committed to building a workplace with an inclusive culture. 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. Where necessary, we disclose salary ranges for roles in all countries in which we operate. The final offer will be determined within the relevant range based on the country of employment, specific role level, and your skills and experience. In some countries, collective bargaining agreements (CBAs) may apply and influence certain elements of pay or benefits. Regeneron offers a competitive and comprehensive total rewards package which may include, depending on country and role: annual bonuses or other incentive plans, equity awards, pension or retirement benefits, 401(k) company match, health and wellness programs, fitness centers, insurance benefits (e.g. medical, dental, vision, life and disability), paid time off, and family support benefits. For additional information about Regeneron benefits in the U.S., please visit . For other locations, additional information will be provided during the recruitment process. If you have any questions, please speak with your recruiter. Please be advised that at Regeneron, we believe we do our best work when we are together. For that reason, many roles are required to be performed on‑site. Please speak with your recruiter and hiring manager for more information about on‑site expectations for your role and location. 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. Salary Range (annually) $70,300.00 - $110,100.00