Sr Associate Scientist - Analytical Development, Regeneron Cell Medicines (RCM)

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About the role

At Regeneron, we use science and innovation to develop life-changing medicines for people with serious diseases. We are seeking a Sr Associate Scientist, RCM Analytical Development to join our Regeneron Cell Medicines (RCM) team. In this role, you will support cell therapy programs by developing, optimizing, and executing biophysical assays to characterize lentiviral vectors, planning and performing experiments, developing new assay protocols, and analyzing and communicating results to advance therapies for patients. This position offers the opportunity to partner cross-functionally across RCM to meet program timelines and deliver high-quality analytical data in a fast-paced, science-driven organization making a meaningful difference to patients worldwide. When & where: • Shift Requirements: Full-time, standard business hours • Location: On-site laboratory setting • Flexibility & travel: Minimal to no travel; on-site presence required to support lab operations, instrument maintenance, and assay execution What you'll do: • Advance analytical development for cell therapy programs, with a primary focus on lentiviral vectors (LVVs) • Strengthen existing and establish new biophysical methods to characterize LVVs • Analyze, interpret, and clearly present complex datasets to technical and cross-functional audiences • Partner with cross-functional teams across RCM to troubleshoot challenges, align on priorities, and support program execution • Author and review technical documentation, including assay protocols, method development reports, and data summaries • Maintain complete, timely, and compliant electronic lab notebook records, support instrument upkeep, and independently troubleshoot equipment and assays The environment and physical rhythms of this role: • This is a hands-on, on-site laboratory role focused on biophysical characterization work, requiring independent design and execution of experiments alongside routine laboratory operations and instrument maintenance. • Flexibility to thrive in a fast-paced, collaborative environment, quickly learn new technologies, and prioritize effectively with minimal supervision is required. Let's find out if we're a fit: Must-haves: • Bachelor's or Master's degree in Biophysics, Biochemistry, Molecular Biology, or a related field, with 4-6+ years of proven experience characterizing and quantitatively analyzing lentiviral vectors • Ability to work independently to design experiments, as well as interpret, document, and communicate results • Self-motivated and proactive, with the ability to prioritize effectively and drive work forward with minimal supervision Preferred / nice-to-haves: • Experience with biophysical characterization techniques for sizing and counting particles, such as DLS, MRPS, and fluorescent labeling assays • Understanding and knowledge of viral vector biology, design, process, and gene delivery mechanisms 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 i

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