Sr. Scientist - Drug Product Process Development (siRNA & mAb)
- Employer
- Regeneron Pharmaceuticals, Inc.
- Location
- Tarrytown, New York
- Posted date
- Sep 28, 2026
View more categories
- Discipline
- Engineering, Marketing, Manufacturing & Production, Science/R&D, Process Engineer, Product Development/Management, Process, Biotechnology, Pharmacology
- Required Education
- Bachelors Degree
- Position Type
- Full time
- Hotbed
- Pharm Country
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Job Details
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 highly motivated Sr. Scientist to join our Process Development (PD) team within the Drug Product Development and Technology (DPDT) department. In this role, you will plan and execute drug product (DP) process development activities, developing cross-scale models, supporting risk assessments, and leading technology transfer to manufacturing sites, while helping set up in-house drug product process development capabilities.
This position offers the opportunity to contribute to a fast-growing, science-driven organization making a meaningful difference to patients worldwide.
When & where:
Location: Tarrytown, NY
Flexibility & travel: Soml travel to CMO partners and to conferences; must be available on-site consistently, including to maintain coverage during staff absences and critical site events
Other requirements: Routine lifting of items over 30 lbs will be necessary
What you'll do:
Lead DP process development activities for different unit operations across multiple programs (with a focus on siRNA and mAb drug products)
Support implementation of cross-scale models to successfully bridge the gap between lab and manufacturing while supporting the increasing pipeline of new modalities
Ensure effective characterization of different unit operations for a seamless technology transfer to the manufacturing sites
Support setup of in-house DP process development capabilities in the Formulations Development Group, including laboratory layout and setup, procuring tools and equipment, overseeing equipment installation and operation, and working closely with formulation development, manufacturing, and facility management teams to develop full functionality of the DP process laboratory
Independently design, execute, and document formulation, fill and finish development studies to understand the impact of process parameters on product quality attributes
Write complete internal and/or external "publications" that require minimal revisions (i.e., peer reviewed publications, patents, business plans)
Routinely author and review guidelines, protocols and reports, regulatory sections, and risk assessments to support technology transfer to manufacturing sites
Present work at group, department, and cross-functional meetings, and contribute as a process lead in drug development team meetings
Seek out, recognize, and assess existing and new technologies to improve process development capabilities in the Formulations Development Group, serving as a knowledgeable resource on prevalent manufacturing-related technologies and processes
Let's find out if we're a fit:
Must-haves:
Ph.D. in Pharmaceutical Sciences, Pharmaceutics, Chemical or Biomedical Engineering (or related subject area) with 0-3 years of relevant industry working experience, a MS with 8+ years, or a BS with 10+ years
Ability to work effectively in a team environment and capacity to quickly adapt to changes in project direction
A consistent record of publications with creative, productive, and insightful statistical-based analysis
Excellent oral/written communication skills and interpersonal skills to support frequent interactions with collaborators
Preferred / nice-to-haves:
Experience with biologics drug product (formulation and process) development and characterization
Strong capability with analytical instruments in characterizing protein therapeutics
Proven skills and understanding in support of GMP manufacturing, quality, and regulatory functions
Hands-on experience and know-how of DP process related unit operations
Experience in developing and implementing small-scale models
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 onsite. Please speak with your recruiter and hiring manager for more information about onsite 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)
Company
Regeneron is a leading biotechnology company that invents, develops, and commercializes life-transforming medicines for people with serious diseases. Founded and led by physician-scientists, our unique ability to repeatedly and consistently translate science into medicine has led to numerous approved treatments and product candidates in development, most 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, neurological diseases, hematologic conditions, infectious diseases, and rare diseases.
Every day, we use our homegrown technologies to discover, develop, research and deliver new medicines that help people with serious diseases. Watch to see what drives us.
Learn more about how our team produces the highest-quality treatments for patients at https://www.regeneron.com/.
Stock Symbol: REGN
Stock Exchange: NASDAQ
- Phone
- 914-847-7000
- Location
- Corporate Headquarters
777 Old Saw Mill River Road
Tarrytown
New York
10591
