Demo

Principal Scientist

Regeneron
Tarrytown, NY Full Time
POSTED ON 9/24/2026
AVAILABLE BEFORE 10/22/2026
Regeneron's Bioanalytical Sciences group, located in Tarrytown, NY, is looking for a Principal Scientist. In this role you will serve as the Bioanalytical Sciences Lead to manage bioanalytical strategy and oversee bioanalytical activities for clinical programs. Acts as the liaison between Bioanalytical Sciences (BAS) and clinical study teams to effectively manage pharmacokinetics (PK), immunogenicity, and biomarker deliverables and timelines for clinical studies. Supports regulatory submissions and interactions to ensure the completeness of sections related to immunogenicity and bioanalysis of PK and target biomarker samples.

When & Where

  • Location: Tarrytown, NY
  • Work model/flexibility: 4 days onsite

Discover Your Role

  • Serve as the Bioanalytical Sciences Lead on clinical study teams and participates on project teams both internal and external to Regeneron to oversee bioanalysis for clinical studies.
  • Contributes to the development and management of bioanalytical strategy including immunogenicity risk assessment, assay selection, and sampling timepoints for clinical programs.
  • Act as a liaison between Bioanalytical Sciences (BAS) and the clinical development team, work closely with groups within BAS, as well as the Clinical Pharmacology group, Regulatory Affairs, clinical study teams, and other working groups to establish bioanalytical deliverables and timelines for multiple projects.
  • Review sample analysis documentation and clinical sample analysis reports.
  • Contribute to regulatory submissions and responses to regulatory inquiries.
  • Contribute to and review clinical study-related documents including expanded synopses, protocols, amendments, statistical analysis plan, and clinical study reports.
  • Review data, SOPs, publications, and guidelines to ensure the conduct of bioanalysis is compliant with industry practice and/or regulatory expectations.
  • Prepare and present scientific data at internal and external meetings.

This Role Requires

  • PhD or BS/MS with 5 years of experience in immunology, pharmaceutical sciences, or related field.
  • Experience with bioanalytical techniques, e.g., ELISA, ECL (MSD), LC-MS, PCR,flow cytometry, or immunogenicity assays.
  • Experience with writing/reviewing scientific documents, reports, and contributing to regulatory submissions.
  • Strong communication, project management, and interpersonal skills.

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)

$128,600.00 - $210,000.00

Salary : $128,600 - $210,000

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Principal Scientist?

Sign up to receive alerts about other jobs on the Principal Scientist career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$130,030 - $173,363
Income Estimation: 
$194,895 - $259,743
Income Estimation: 
$192,057 - $260,440
Income Estimation: 
$249,515 - $311,938
Income Estimation: 
$155,477 - $213,492
Income Estimation: 
$151,423 - $191,781
Income Estimation: 
$224,177 - $300,651
Income Estimation: 
$213,290 - $266,052
Income Estimation: 
$225,010 - $318,974
Income Estimation: 
$182,205 - $244,055
Income Estimation: 
$153,902 - $198,246
Income Estimation: 
$230,164 - $328,616

Sign up to receive alerts about other jobs with skills like those required for the Principal Scientist.

Click the checkbox next to the jobs that you are interested in.

  • Auditing Skill

    • Income Estimation: $140,918 - $196,956
    • Income Estimation: $151,875 - $212,356
  • Design Review Skill

    • Income Estimation: $131,934 - $168,935
    • Income Estimation: $135,243 - $181,487
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Regeneron

  • Regeneron Warren, NJ
  • A Sr. Manager provides timely support to the project team on all programming matters according to the project strategies within a therapeutic area. As an i... more
  • 1 Day Ago

  • Regeneron Warren, NJ
  • The Associate Director, External Data Services, plays a critical leadership role, overseeing team members to ensure all activities align with Regeneron’s p... more
  • 1 Day Ago

  • Regeneron Jackson, MS
  • Build Our Future Together The Rare Neurology Medical Account Specialist (MS) engages Neurology specialists and key stakeholders across diverse care setting... more
  • 2 Days Ago

  • Regeneron East Greenbush, NY
  • Regeneron is currently seeking a Principal QA Validation Specialist to join our Quality Assurance department. They will lead the utilities and EMPQ team fo... more
  • 2 Days Ago


Not the job you're looking for? Here are some other Principal Scientist jobs in the Tarrytown, NY area that may be a better fit.

  • Spannr - Your Gateway to Longevity Tarrytown, NY
  • Job Description The National Institute on Aging (NIA), a major research component of the National Institutes of Health (NIH) and the Department of Health a... more
  • 17 Days Ago

  • Formation Bio York, NY
  • About Formation Bio Formation Bio is a tech and AI driven pharma company differentiated by radically more efficient drug development. Advancements in AI an... more
  • 19 Days Ago

AI Assistant is available now!

Feel free to start your new journey!