Staff Engineer, Synthetic and Bioconjugation Scale-Up Technologies (PMPD)

Company: Regeneron Pharmaceuticals, Inc.
Location: Tarrytown
Posted on: January 27, 2026

Job Description:

Regeneron's Preclinical Manufacturing & Process Development group (PMPD), located in Tarrytown NY, is seeking a hardworking and dynamic Staff Engineer for its Synthetic and Bioconjugation Scale-up Technologies (SBST) group. In this exciting new role, you will provide scientific leadership and support for synthetic oligonucleotide process development using the principles of Quality by Design (QbD), process scale-up, and technology transfer of manufacturing-related workflows at Contract Development and Manufacturing Organizations (CDMOs) to ensure timely and reliable entrance to the clinic through product commercialization. A typical day in the role of Staff Engineer might include: Designing and developing scalable, robust and controlled cGMP-ready processes for the chemical synthesis, purification, and isolation of oligonucleotides across early and late-stage process development. Ensuring a team-based evaluation of processes by working closely with several groups such as R&D Chemistry, Formulations Development, Analytical Chemistry, Protein Biochemistry, CDMOs, and other key stakeholders to ensure integrated program success. Generating robust technology transfer documentation and supporting production with onsite presence during scale-up/GMP manufacturing activities. Partnering with the External Manufacturing group and other key partners at Regenerons Industrial Operations and Product Supply (IOPS) organization to vet CDMOs and successfully transfer processes with immediate, first-time success. Promote new technologies for process improvements, predictive process models, and novel at-line/in-line process analytical technologies to ensure robust processing. Reviewing and providing domain expertise for regulatory submissions. Authoring publications, reports, tech transfer documents, regulatory support documents, patents. Scientifically up-to-date on advances in process chemistry and related disciplines Requires up to 20% travel This role may be for you if you: Have strong initiative and aim to complete challenging tasks and learn new technologies. Are capable of multi-tasking, working both independently and within a team environment. Have excellent interpersonal, verbal and written communication skills. Can think critically and demonstrate problem-solving skills. This role requires a Ph.D. or Masters in organic chemistry or a related field. At least 5 years of industrial experience post-PhD or at least 7 years of experience post-Masters in active pharmaceutical ingredient (API) process development is preferred. Experience with small-molecules in the bioconjugates space will be highly preferable. Hands-on experience with solid-phase oligonucleotide synthesis, purification, and characterization using techniques such as mass spectrometry (MS), nuclear magnetic resonance (NMR), infrared (IR) spectroscopy, and high-performance liquid chromatography (HPLC) is preferred. Proven experience in scaling-up synthetic oligonucleotide syntheses and technology transfer to a GMP manufacturing facility is a plus. Candidate should be well-versed with International Council for Harmonization (ICH)/regulatory guidelines and their impact on process development of synthetic molecules and bioconjugates. Experience in working with multi-functional Chemistry, Manufacturing and Control (CMC) teams and experience in authoring publications, reports, technical transfer documents, regulatory support documents, patents is a plus. Note: title will be commensurate with experience Does this sound like you? Apply now to take your first step towards living the Regeneron Way! We have an inclusive culture that provides comprehensive benefits, which vary by location. In the U.S., benefits may include health and wellness programs (including medical, dental, vision, life, and disability insurance), fitness centers, 401(k) company match, family support benefits, equity awards, annual bonuses, paid time off, and paid leaves (e.g., military and parental leave) for eligible employees at all levels! For additional information about Regeneron benefits in the US, please visit https://careers.regeneron.com/en/working-at-regeneron/total-rewards/. For other countries specific benefits, please speak to your recruiter. Please be advised that at Regeneron, we believe we are most successful and work best when we are together. For that reason, many of Regenerons roles are required to be performed on-site. Please speak with your recruiter and hiring manager for more information about Regenerons on-site policy and expectations for your role and your location. 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, nationality, national or ethnic origin, civil status, age, citizenship status, membership of the Traveler community, sexual orientation, disability, genetic information, familial status, marital or registered civil partnership status, pregnancy or parental status, gender identity, gender reassignment, military or veteran status, or any other protected characteristic in accordance with applicable laws and regulations. The Company will also provide reasonable accommodation to the known disabilities or chronic illnesses of an otherwise qualified applicant for employment, unless the accommodation would impose undue hardship on the operation of the Company's business. For roles in which the hired candidate will be working in the U.S., the salary ranges provided are shown in accordance with U.S. law and apply to U.S.-based positions. For roles which will be based in Japan and/or Canada, the salary ranges are shown in accordance with the applicable local law and currency. If you are outside the U.S, Japan or Canada, please speak with your recruiter about salaries and benefits in your location. Please note that certain background checks will form part of the recruitment process. Background checks will be conducted in accordance with the law of the country where the position is based, including the type of background checks conducted. The purpose of carrying out such checks is for Regeneron to verify certain information regarding a candidate prior to the commencement of employment such as identity, right to work, educational qualifications etc. Salary Range (annually) $128,600.00 - $210,000.00

Keywords: Regeneron Pharmaceuticals, Inc., West Babylon , Staff Engineer, Synthetic and Bioconjugation Scale-Up Technologies (PMPD), Science, Research & Development , Tarrytown, New York