Senior Associate Scientist – Biotherapeutics and Vaccines Analytical Testing
Pfizer Apply for this positionAbout this role
This Research and Development role at Pfizer is based in United States - Missouri - St. Louis - Chesterfield.
For the full job description, requirements, and to apply, visit the original posting on Pfizer's careers page.
About Pfizer
Global pharmaceutical company developing vaccines, oncology, and immunology treatments. Headquartered in New York, NY.
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PostedSep 29, 2026
LocationUnited States - Missouri - St. Louis - Chesterfield
Work typeOnsite
DepartmentResearch And Development
SenioritySenior
CountryUnited States
Pfizer
Global pharmaceutical company developing vaccines, oncology, and immunology treatments. Headquartered in New York, NY.
View all 544 open jobs at Pfizer
Hiring locations:
China (224), United States (138), India (28)
Salary benchmark for Research And Development roles in United States:
median 109,900 – 159,180 USD
· based on 49 similar roles
⚠ Layoff history
1 layoff event reported at Pfizer:
- Dec 2025 · 230 affected · Zurich, Switzerland
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