Associate Scientist - Analytical and Biological Mass Spectrometry (ABMS)

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 Analytical and Biological Mass Spectrometry Group (ABMS), on-site in Tarrytown, NY. In this role, you will work in an innovative mass spectrometry lab and execute LC-MS methods for characterizing biotherapeutic products, supporting all stages of drug development from early-stage candidate selection to late-stage regulatory submissions.

This position offers the opportunity to perform routine technical tasks that support a diverse R&D pipeline, contributing to a fast-growing, science-driven organization making a meaningful difference to patients worldwide.

When & where:

• Shift Requirements: Full-time, standard business hours
• Location: On-site in Tarrytown, NY
• Flexibility & travel: Minimal to no travel; on-site presence required to support laboratory operations

What you'll do:

• Execute established protocols and clearly communicate analytical characterization of biotherapeutics, including monoclonal and bispecific antibodies, Fc-fusion proteins, and other modalities (adeno-associated virus, siRNA, etc.) to support drug development
• Execute characterization activities, with an emphasis on intact-mass LC-MS technique, to elucidate critical quality attributes such as charge variants, size variants, and post-translational modifications
• Provide analytical support for cross-functional teams, including formulation development, upstream/downstream process development, and manufacturing, to solve drug development challenges
• Independently conduct sample preparation and LC-MS analyses in compliance with SOPs, documenting experimental procedures and results in an electronic laboratory notebook (ELN)
• Use strong organization and communication skills to plan and prioritize work, manage and visualize data, and deliver clear, timely updates

The environment and physical rhythms of this role:

• This is a hands-on, on-site laboratory role centered on mass spectrometry-based analytical work, requiring independent execution of sample preparation and instrument-based analyses.
• 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 Analytical Chemistry, Biochemistry, Pharmaceutical Sciences, or a closely related field
• Self-motivated and proactive, with the ability to prioritize effectively and drive work forward with minimal supervision
• Ability to quickly learn new technologies and solve complex problems, with a strong passion for science and innovation

Preferred / nice-to-haves:

• Familiarity with advanced mass spectrometers (Q Exactive Plus, Q Exactive UHMR, Q-TOF, etc.), liquid chromatography, liquid-handling systems, and data processing software (Skyline, Protein Metrics, etc.)
• Exposure to automated liquid-handling systems (e.g., Bravo, KingFisher); willingness to learn is valued

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 https://careers.regeneron.com/en/working-at-regeneron/total-rewards/. 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