About this opportunity
Regeneron Pharmaceuticals, Inc (USA) lists this Scientist, Product Biochemistry opportunity in village of tarrytown, New York. Review the employer’s description below for duties, qualifications and application requirements.
Job description
Build our future together: At Regeneron, we use science and innovation to develop life-changing medicines for people with serious diseases. We are seeking an experienced and highly motivated Scientist to join the Product Biochemistry team, supporting the preparation and characterization of critical protein and biomolecule reagents used in preclinical and regulated assay development. In this role, you will support the generation of well-characterized, fit-for-purpose reagents, perform stability and characterization studies, and work closely with cross-functional teams to meet project and assay-development timelines. 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 Location: On-site in Tarrytown, NY
Discover your role:
Perform comprehensive reagent characterization to evaluate identity, purity, stability, aggregation, binding properties, labeling efficiency, and overall fitness for intended use
Support the preparation, purification, and conjugation of critical protein and biomolecule reagents for use in assay development and testing
Conduct routine and advanced protein analytical testing using techniques such as SDS-PAGE, Western blot, CE-SDS, SEC, UV-Vis spectroscopy, ELISA, and other protein characterization methods
Support stability characterization of critical reagents, including appropriate stability and freeze/thaw studies, and investigate factors affecting reagent stability and assay performance
Contribute to the development and implementation of new analytical approaches and improved characterization strategies for critical reagents
Troubleshoot reagent quality, analytical methods, and instrumentation, and contribute to scientific problem-solving
Accurately document experimental procedures, analytical results, and conclusions in the electronic laboratory notebook according to established procedures and timelines
Summarize experimental results in clear technical reports and presentations, and communicate findings at group and project meetings
Maintain and support laboratory instrumentation used for protein purification and characterization
Work collaboratively with cross-functional teams to coordinate reagent needs, priorities, and deliverables, and support project timelines
Manage multiple reagent requests and characterization activities simultaneously while maintaining high standards for scientific quality and documentation
This role requires:
BS/MS in Biochemistry, Biophysics, Engineering, or a related field, with BS and 8+ years or MS and 6+ years of relevant industry experience
Strong hands‑on experience in protein characterization, purification, and conjugation
Demonstrated experience with multiple protein analytical techniques such as SDS‑PAGE, Western blot, CE‑SDS, SEC, UV‑Vis spectroscopy, and IEF/cIEF
Experience with protein purification techniques including affinity chromatography, ion exchange chromatography, size‑exclusion chromatography, and FPLC systems
Strong understanding of fundamental protein biochemistry, including protein stability, aggregation, binding interactions, and the potential impact of chemical modification on protein properties
Strong laboratory documentation, data organization, and record‑keeping skills
Demonstrated ability to organize and prioritize multiple projects and deliverables in a fast‑paced research environment
Strong problem‑solving skills with the ability to work independently with appropriate guidance
Strong team player with demonstrated ability to collaborate effectively across scientific and functional groups
Excellent verbal and written communication skills
Experience with protein labeling/conjugation, including biotin, fluorescent dyes, ruthenium, or related protein modifications, is a plus
Experience with SPR/BLI-based binding characterization is a plus
Experience with additional biophysical or analytical methods such as LC‑MS, MALDI‑TOF MS, SEC‑MALS, DLS, or DSC is a plus
Experience with Empower, UNICORN, or similar chromatography/data‑analysis software is a plus
Experience supporting critical reagents used in bioanalytical, potency, or other regulated assays is a plus
Familiarity with GxP/GLP laboratory practices, controlled documentation, and reagent lifecycle/stability activities is a plus
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.
Salary Range (annually) $93,900.00 - $153,300.00
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.
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.
Regeneron is a leading biotechnology company that invents life-transforming medicines for people with serious diseases. Founded and led for over 30 years by physician-scientists, our unique ability to repeatedly and consistently translate science into medicine has led to nine FDA‑approved treatments and numerous product candidates in development, almost all of which were homegrown in our laboratories. Our medicines and pipeline are designed to help patients with eye diseases, allergic and inflammatory diseases, cancer, cardiovascular and metabolic diseases, neurology, infectious diseases and rare diseases. Regeneron is also proud of award‑winning culture of innovation, being recognized as a Great Place to Work in 2021, Fast Company’s Best Workplace for Innovators in 2020, and Forbes JUST companies in 2020, among others.
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Who can apply
Review the original listing for work authorization, qualifications and employer requirements.