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Salary
$110k – $179k per year
Location
In office (Tarrytown)
Seniority
Middle · 7+ years exp
Visa
H-1B filings in 12 months: 316 · green card filings: 4
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 13, 2026. First seen by Alion on Nov 13, 2026. Regeneron Pharmaceuticals scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Regeneron Pharmaceuticals is an American biotechnology company headquartered in Tarrytown, New York, that discovers, develops and manufactures antibody and other biologic medicines. Founded in 1988 and listed on Nasdaq, its products include the eye disease treatment Eylea, the immunology drug Dupixent developed with Sanofi, the cancer immunotherapy Libtayo and the cholesterol drug Praluent. It uses its VelociSuite mouse technologies and the Regeneron Genetics Center to find drug targets, and runs large manufacturing sites in Rensselaer, New York, and Limerick, Ireland.
Backed by GV, venBio Partners

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 Process Development Engineer III to join our Preclinical Manufacturing & Process Development Group (PMPD), working in the Purification Development group. In this role, you will be responsible for the purification of various pre-clinical biological molecules to provide reagents for Regeneron’s research and discovery groups. This is a lab-based role that requires real-time data interpretation, problem-solving, and innovation.

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
  • Location: On-site in Tarrytown, NY
  • Other requirements: Job will periodically require short duration physical exertions, including light-medium weight lifting

Discover your role:

  • Purify a diverse array of proteins to support any of Regeneron’s research and discovery groups, following established procedures when available, but recognizing unexpected results or improvement opportunities and modifying strategies appropriately
  • Independently develop technology and automation to increase process throughput and efficiency of preclinical manufacturing
  • Document experiments, results, and findings in an electronic laboratory notebook; present work to supervisor, subteam, group, department, and cross-functional meetings
  • Maintain instruments and troubleshoot instrumental/experimental problems
  • Collaborate with peers to complete core deliverables while exhibiting independence in planning, experimental execution with appropriate controls, data interpretation, and decision-making
  • Ask pointed questions to eliminate ambiguity and provide appropriate solutions
  • Apply creative problem-solving using novel incorporation of internal and external (literature) learnings
  • Take calculated risks to achieve goals, independently and accurately determining strategies to address gaps and implement them effectively
  • Communicate with all levels of the organization
  • Coach, mentor, and support performance planning with other members of the organization as needed
  • Represent PMPD in cross-functional collaborations and provide updates to PMPD Senior Staff as a departmental program team representative
  • Enjoy a fast-paced pilot scale laboratory setting where sound science and teamwork are priorities
  • Contribute to lab safety and equipment maintenance to help create a safe, effective, and efficient working environment
  • Anticipate and recognize potential problems and act to prevent and tackle them
  • Ensure training and/or compliance responsibilities are maintained
  • Be scientifically curious, enthusiastic, and proactively ask questions to learn or seek clarification
  • Communicate the high-level and detailed scientific story accurately depending on audience and need
  • Bring an interest in a non-positional leadership role within a collaborative team

This role requires:

  • Degree in Chemical Engineering, Biochemical Engineering, or Biochemistry, with 0-2+ years of experience (Ph.D.), 3-5+ years (MS), or 7-10+ years (BS) of industrial experience
  • Demonstrated ability to communicate complex messages clearly and credibly with multifaceted audiences, establishing multi-functional relationships that support proactive teamwork across the organization
  • Strong fundamental understanding of various protein purification techniques is a plus
  • Experience with downstream process development and with equipment like Akta Explorers/Avants/Pilots, chromatography columns, tangential flow filters, depth filters, HPLCs, and UPLCs, as well as software such as Empower, Unicorn, JMP, and Benchling, is a plus

#pmpd

#papd

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 - $179,300.00
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