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

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 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)

$80,300.00 - $131,100.00