Associate Scientist - Analytical & Bioanalytical Mass Spectrometry (ABMS)

Regeneron Pharmaceutical's Analytical and Biological Mass Spectrometry Group (ABMS), located in Tarrytown, NY is seeking a motivated Associate Scientist to join our fast-paced and interdisciplinary team working on analytical and bioanalytical development on novel siRNA/oligonucleotide-based modalities in a diverse genetic medicine pipeline. A Typical Day in the Role Might Look Like: Develop and optimize liquid chromatography coupled to mass spectrometry (LC-MS) related methods for the enrichment, detection, quantification, and structural characterization of siRNAs, oligonucleotides, novel siRNA conjugates and monoclonal antibodies (mAbs) Perform analytical testing and sample preparation of siRNA/oligonucleotides with a focus on chromatographic fractionation, LC, LC-MS, solid phase extraction (SPE), hybridization-capture, and other mass spectrometry related methods Independently conduct sample preparation and LC-MS analyses in compliance with SOPs or drafted protocols, and document experimental procedures and results in electronic laboratory notebook (ELN) This Role May Be For You If: You are mentally flexible and adapt quickly to changing priorities in a fast-paced environment. You are an excellent team player who can follow directions while also bringing your own insights to problem-solving. You have a growth mindset and eagerly embrace new challenges and learning opportunities. You are interested in learning about genetic medicines and development for impactful RNA-based therapies. This role requires a BS or MS degree in Chemistry, Biochemistry, Pharmaceutical Sciences, or a related field with 0–3 years of relevant hands‑on laboratory experience in analytical chemistry or bioanalytical sciences. Strong hands-on experience with liquid chromatography (such as reversed-phase, size-exclusion, ion exchange chromatography) is essential, particularly HPLC or UPLC techniques. Hands-on experience with various types of biological matrices is a plus. Hands-on experience with fractionation, solid phase extraction and/or hybridization techniques would be particularly valuable. While mass spectrometry experience is beneficial, we prioritize candidates with excellent chromatography skills and the ability to optimize separation methods. You should be comfortable working independently after initial guidance and be able to communicate effectively about technical challenges and results. 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) $70,300.00 - $110,100.00