Senior Associate Scientist-Vaccine Development; Analytical, Assays

Overview

Use Your Power for Purpose. At Pfizer, our purpose is to deliver breakthroughs that change patients’ lives. This laboratory‑based position is within the Vaccine Research & Development Analytical Development organization. The Senior Associate Scientist will support vaccine programs through analytical method development, sample testing, and data interpretation, with a primary focus on separation‑based analytical techniques.

• Perform analytical method development and sample testing under manager supervision in support of vaccine process development, formulation development, release, stability, and characterization.
• Apply separation‑based techniques, including HPLC (SEC, IEX, RP) and CE.
• Utilize LC‑MS–based methods for characterization of vaccine antigens and related analytes.
• Execute method verification, qualification, and optimization studies under appropriate supervision.
• Analyze and interpret experimental data; summarize results and conclusions clearly and provide to the manager.
• Document experimental work contemporaneously in electronic laboratory notebooks in compliance with internal standards.
• Author and review analytical methods, protocols, technical notes, and method qualification reports with appropriate guidance.
• Participate in general laboratory activities, including instrument maintenance, reagent management, and laboratory housekeeping.
• Work in compliance with applicable data integrity expectations, as required.
• Continuously improve safe and effective working practices in the laboratory environment.

• Must have a BS with 3 to 5 years of relevant experience, or an MS with 0 to 3 years in Chemistry, Biochemistry, Analytical Chemistry, or a related field.
• Hands‑on experience with chromatographic or electrophoretic separations.
• Strong data analysis, documentation, and communication skills.
• Ability to work effectively in a team‑based laboratory environment.
• Nice to have LC‑MS experience supporting proteins and/or mRNAs.
• Experience using common AI tools, including generative technologies such as ChatGPT or Microsoft Copilot, to support problem solving and enhance productivity.

• Annual base salary range: $68,600.00 to $.
• Eligible for participation in Pfizer’s Global Performance Plan with a bonus target of 7.5% of the base salary.
• Comprehensive benefits package including 401(k) plan with Pfizer Matching Contributions and additional Pfizer Retirement Savings Contribution.
• Paid vacation, holiday and personal days, paid caregiver/parental and medical leave.
• Health benefits including medical, prescription drug, dental and vision coverage.

Pfizer is committed to equal opportunity in the terms and conditions of employment for all employees and job applicants without regard to race, color, religion, sex, sexual orientation, age, gender identity or gender expression, national origin, disability or veteran status. Pfizer also complies with all applicable national, state and local laws governing nondiscrimination in employment as well as work authorization and employment eligibility verification requirements of the Immigration and Nationality Act and IRCA.

Pfizer is an E-Verify employer. This position requires permanent work authorization in the United States.