Principal Scientist, Biologics Drug Product Development (DPDT)
Regeneron· Biotechnology· Oct 9, 2026 · 17d ago
TARRYTOWN
In office
Full-time
Principal
$129K–$210K
4+ years exp
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 a Principal Scientist to join our Drug Product Development & Technology (DPDT) team. You ll lead drug product development activities from candidate selection and pre-clinical development through clinical development and commercialization for a variety of drug modalities, which may include protein (antibody), siRNA, peptides, bioconjugates (antibody-oligo or antibody-drug), and AAV, across a variety of drug and delivery presentations including liquid and lyophilized DP and novel drug delivery technologies. You ll work independently to lead your project/program(s), applying biochemical, biophysical, and/or microbiology principles to execute both simple and complex experiments and processes.
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, standard business hours, with flexibility to support before- and after-hours executive meetings, town halls, and corporate events
Location: On-site in Tarrytown, NY
Discover your role: Works independently and applies technical knowledge to design rigorous experiments that may include formulation, analytical, and process development and technology transfer
Acts as a resource and is recognized as a subject matter expert (SME) within their field; applies QbD approaches to drug product development and stays knowledgeable about current regulatory guidelines
Applies scientific and statistical knowledge of software packages (JMP or equivalent) to support study design and data analysis
Independently makes decisions of moderate complexity in a timely manner, including with limited information, understanding how decisions impact target priorities and cross-functional teams; uses a risk-based approach to make complex decisions and demonstrates judgment on when feedback from management is needed
Receives information and direction from leadership, and is responsible for planning and leading complex, long-term projects
Collaborates effectively as an SME and within cross-functional teams to support timely execution of deliverables
Proactively researches and implements new approaches toward problem-solving and/or process optimization for product development and new technology evaluations; capable of diving into novel fields and developing expertise needed in new areas or technologies
Brings managerial experience with demonstrated success developing direct reports; trains junior scientists in technical skills and mentors junior colleagues
Communicates effectively with varied audiences internally and externally, clearly explaining technical data that support recommendations or strategic direction
Participates in team meetings and prepares data presentations and documents, including publications and patents
Generates internal reports and authors external documents, which may include protocols, technical reports, risk assessments, regulatory documents, and patents
Maintains complete and accurate laboratory record documentation and complies with all data integrity procedures and system requirements, including ELN, SDMS, LIMS, and EDMS
Engages in lab and instrument maintenance activities, acting as instrument SME or team lead, and may champion implementation of new instrumentation and analytical techniques
Complies with environmental, health, and safety requirements
This role requires: A PhD in Pharmaceutical Sciences, Biochemistry, Chemistry, Biophysics, Biomedical or Chemical Engineering, or a related field with 4 years of relevant industry experience in the biopharma space; or a BS/MS with a minimum of 10 years, of relevant industry experience
Industry experience with bioconjugates, particularly antibody-oligonucleotide formulation development, is preferred
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 careers.regeneron.com . 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)
$128,600.00 - $210,000.00
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