Principal Scientist

Posted Yesterday
Be an Early Applicant
Tarrytown, NY, USA
In-Office
129K-210K Annually
Senior level
Biotech • Pharmaceutical
The Role
Leads bioanalytical strategy and activities for clinical programs, overseeing pharmacokinetic, immunogenicity, and biomarker deliverables. Serves as liaison between Bioanalytical Sciences, clinical development, regulatory, and pharmacology teams. Reviews analysis documentation, clinical reports, protocols, statistical plans, and study reports; supports regulatory submissions and responses; ensures compliance with scientific and regulatory expectations; and presents scientific data.
Summary Generated by Built In

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

Skills Required

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

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.

  • 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.
  • 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.
  • 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

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The Company
HQ: Tarrytown, NY
15,000 Employees
Year Founded: 1988

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.

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