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Principal Scientist, Pharmaceutical Research & Development

Pfizer

$102,900 - $171,500
Aug 19, 2025
Bothell, WA, US
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Pfizer is looking to solve the problem of developing and commercializing biotherapeutics, including antibody-drug conjugates, nucleic acid delivery systems, monoclonal antibodies, and vaccines, by hiring a Principal Scientist to lead formulation development and physico-chemical characterization efforts.

Requirements

  • Solid foundation in formulation, analytical, chemistry, material science, and/or nano-particle technologies.
  • Experience in formulation development, pharmaceutics, pharmacy or drug product manufacturing or scale-up of biotherapeutics modalities.
  • Experience with various biophysical and light scattering techniques (DLS, NTA, Coulter Counter, etc.).
  • Experience with regulatory filings and submissions.
  • Working knowledge of GLP/GMP requirements.
  • Experience in authoring regulatory submissions (IND, IMPD, BLA, MAA).
  • Solid understanding of QbD concept in design, execution, and interpretation of formulation and process development experiments.

Responsibilities

  • Design, execute, and analyze experiments for existing and novel modalities. Define the appropriate parenteral dosage form, formulation, process design, scale up approaches, identify critical parameters, and define the design space
  • Support development of novel characterization techniques to characterize formulations to support process development and formulation design.
  • Lead experiments to confirm robust process performance across the control space. Compile experimental and analytical results, perform data interpretation, summarize, and report on data with conclusions and recommended next steps
  • Provide technical representation and subject matter expertise (SME) in cross functional project teams
  • Provides leadership and mentorship to matrixed program team colleagues
  • Collect and share relevant academic literature, leverage external consultants/SMEs, and establish new collaborations with internal groups. Optimize current processes to ensure robust manufacturing of Pfizer’s biotherapeutic portfolio
  • Interface extensively in a matrixed environment with process and analytical development teams for process investigation support, assess new analytical technologies, support on-going process characterization and post-approval changes.

Other

  • Master of Science degree with 9 or more years of industrial experience; or B.S. with 12 or more years of industrial experience in Pharmacy, Pharmaceutics, Analytical Chemistry, Biophysics, Biomedical Eng, Chemical Eng, Biochemistry, Biotechnology, Virology, Biology or equivalent scientific field.
  • Effective communication skills and the ability to write detailed technical reports.
  • Exceptional organizational, communication, and critical thinking skills, and the ability to thrive in an interdependent and idea-rich environment.
  • Strong work ethic and attention to detail.
  • Relocation support available.