Sr Associate Scientist, Histology

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About the role

Build our future together: At Regeneron, we use science and innovation to develop life-changing medicines for people with serious diseases. We are seeking a Sr. Associate Scientist to join our Obesity, Metabolism and Muscle Diseases Group, serving as a central histological resource providing expert tissue processing and staining services across multiple research programs simultaneously. In this role, you will manage end-to-end histological workflows spanning a broad range of tissue types, maintaining rigorous quality standards while navigating competing program demands to deliver high-quality data on time. This position offers the opportunity to contribute to a fast-growing, science-driven organization making a meaningful difference to patients worldwide. When & where: • Location: Tarrytown, NY • Work model/flexibility: Onsite Discover your role: • Process tissue samples from multiple tissue types (e.g., liver, heart, brain, muscle, adipose), including fixation, dehydration, clearing, embedding, and sectioning • Perform routine and special histological staining according to program needs • Conduct IHC and IF, developing, optimizing, and validating new protocols, antibody titrations, and antigen retrieval conditions • Apply in situ hybridization (ISH/RNAscope) techniques for gene expression localization where required • Perform image acquisition using various scanning platforms and manage image data repositories • Perform quantitative image analysis, developing and applying customized algorithms as needed • Generate high-quality figures and data summaries for internal reports, regulatory packages, and peer-reviewed publications • Maintain and communicate a dynamic workload tracker, proactively flagging capacity constraints or scheduling conflicts to stakeholders This role requires: • BS with 5+ years or MS with 2+ years of relevant experience • Proficiency in standard and special histochemical staining techniques across multiple tissue types • Demonstrated IHC/IF assay development, optimization, and troubleshooting experience • Proficiency with whole-slide imaging systems and digital pathology image analysis software (e.g., HALO) • Strong organizational and record-keeping skills, with the ability to manage and prioritize simultaneous requests from multiple stakeholders • Excellent oral and written communication skills • Preferred: experience with in situ hybridization platforms (RNAscope, BaseScope, FISH) 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

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