At Regeneron, we use science and innovation to develop life-changing medicines for people with serious diseases. We are seeking a Process Development Engineer III to join our Preclinical Manufacturing & Process Development (PMPD) group, on-site in Tarrytown, NY. In this exciting role, you will use your domain expertise in liquid chromatography separations to design, lead, and react to experiments and projects independently, while mentoring less experienced direct reports and team members within the Purification Development (PD) group.
This position offers the opportunity to act as an established authority in chromatography-based separation techniques, proactively identifying improvement opportunities and driving strategy across Regeneron in support of pipeline and assay development, and the release of clinical and commercial products.
When & where:
- Shift Requirements: Full-time, standard business hours
- Location: On-site in Tarrytown, NY
- Flexibility & travel: Minimal to no travel; on-site presence required to maintain lab operations and support equipment
What you'll do:
- Act as an established authority in chromatography-based separation techniques, demonstrating scientific acumen across Regeneron, and determine strategies for improvements
- Begin to lead technology development independently, drive results, and onboard new technologies
- Skillfully write and review complex technical documents typically reviewed by senior leadership
- Take calculated risks to achieve goals, independently and accurately determining strategies to address gaps and implement them effectively
- Ask pointed questions to eliminate ambiguity and provide appropriate solutions
- Make science-based recommendations through novel incorporation of internal and external (literature) learnings
- Maintain and continuously improve lab operations and relevant data or knowledge management systems within your area of expertise
- Anticipate customer needs at an organizational level and proactively shape internal workflows to meet them
- Prepare and deliver effective oral presentations in internal and external professional meetings, sharing cross-functional skills and knowledge
- Collaborate across Regeneron and external groups, with regular interaction with PMPD Senior Leadership
- Represent PMPD in external multi-functional meetings
- Mentor peers, direct reports, and PMPD personnel directly or indirectly through leading, guiding, and assisting
- Contribute to lab equipment maintenance and safety, anticipating and resolving potential problems with supplies and equipment
- Keep up with SOP training and compliance responsibilities
- Communicate relevant information to PMPD Senior Staff as departmental program team representative
The environment and physical rhythms of this role:
- This is an on-site laboratory role requiring hands-on use of specialized equipment, including Akta Explorer/Avant, Akta Pilot, BioProcess Skid, disc stack centrifuge, depth and tangential/normal flow filtration systems, chromatographic columns, HPLC, UPLC, diafiltration skid, and Raman spectroscopy, as well as laminar flow hoods and chemical fume hoods.
- Flexibility to multi-task, work both independently and within a team environment, and take calculated risks to solve complex, ambiguous problems is required.
Let's find out if we're a fit:
Must-haves:
- Degree in an engineering discipline, with 0-2+ years of experience (PhD), 3-5+ years (MS), or 7-10+ years (BS) of industrial experience
- Industrial experience in protein purification
- Demonstrated ability to communicate complex messages clearly and credibly with multifaceted audiences, establishing multi-functional relationships that support proactive teamwork across the organization
- Experience with specialized laboratory software and systems, including Empower, Unicorn, PI Historian, JMP, LIMS, Spotfire, RPES, and ELN
Preferred / nice-to-haves:
- Demonstrated innovative thinking, developing ideas, tools, or techniques to solve problems or improve established procedures
- Experience leading a team and effectively delegating tasks
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)
#pmpd
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 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)
$109,900.00 - $179,300.00Skills Required
- Degree in an engineering discipline
- Industrial experience in protein purification
- Domain expertise in liquid chromatography separations
- 7+ years industrial experience (BS) or 3-5+ years (MS) or 0-2+ years (PhD) as stated
- Demonstrated ability to communicate complex messages to multifaceted audiences
- Experience leading teams and delegating tasks
- Familiarity with listed equipment and software (e.g., Akta systems, HPLC/UPLC, Empower, JMP, LIMS, Spotfire, ELN)
- Knowledge of lab safety, SOP compliance, and equipment maintenance
- Ability to design and interpret experiments, make science-based recommendations, and drive technology adoption
Regeneron Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Regeneron and has not been reviewed or approved by Regeneron.
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Healthcare Strength — Medical, dental, and vision coverage is positioned as comprehensive, with Regeneron prescription drugs covered at 100% for those enrolled in the medical plan. Mental health support is also emphasized through EAP access and tools like Talkspace and the Journey app.
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Equity Value & Accessibility — Stock grants are described as available to all employees, strengthening the overall total-rewards package beyond base pay. Long-term incentives and stock-related rewards are repeatedly framed as meaningful components of compensation.
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Parental & Family Support — Paid parental leave is paired with fertility/adoption assistance and childcare-related support such as discounts and nanny services. Additional family-oriented resources extend to elder care, pet care, and education support like college coaching and tutoring.
Regeneron Insights
What We Do
At Regeneron we believe that when the right idea finds the right team, powerful change is possible. As we work across our expanding global network to invent, develop and commercialize life-transforming medicines for people with serious diseases, we’re establishing new ways to think about science, manufacturing and commercialization. And new ways to think about health. Connect with us so we can learn more about you, and you can learn more about our biopharmaceutical medicines. And join us, as we build a future we believe in. Please visit www.regeneron.com/social-media-terms for information on how to engage with us on social media. An important note about privacy: Regeneron is committed to your privacy and will not ask for sensitive personal information such as social security number, date of birth or bank account details via email or social media.








