Analytical R&D Scientist – Biotherapeutics & Vaccines

Pfizer; Chesterfield (MO); On-site; USD 69,000 - 114,000; Full time

Benefits offered by this job

401(k) plan with company matching

Comprehensive health benefits

Paid vacation/leave

Job summary

Pfizer is seeking a Senior Associate Scientist in Chesterfield, MO to advance analytical development for biologics and vaccines. The role focuses on applying analytic methods to assess product quality, impurities, and characterization in R&D and regulated settings.

The candidate will develop, transfer, and qualify methods for process and formulation development, working in a fast-paced team with strong documentation and adherence to quality systems.

Qualifications

• Bachelor's or Master's in a relevant field with chemistry/biochemistry/biology focus.
• Minimum 3+ years (Bachelor) or 0–2 years (Master) of relevant experience.
• Experience with analytical laboratory techniques and following procedures under supervision.

Responsibilities

• Develop, troubleshoot, and apply analytical methods for biotherapeutics and vaccines.
• Proficient in HPLC, colorimetric, and electrophoresis assays.
• Record, archive, and report data per guidelines; collaborate with multidisciplinary teams.

Skills

Analytical methods

HPLC

Colorimetric assays

Electrophoresis

Documentation

Problem solving with AI tools

Education

Bachelor's in Chemistry/Biochemistry/Biology

Master's in Chemistry/Biochemistry/Biology

Tools

HPLC instruments

LIMS

Job description

Pfizer is seeking a Senior Associate Scientist in Chesterfield, MO to advance analytical development for biologics and vaccines. The role focuses on applying analytic methods to assess product quality, impurities, and characterization in R&D and regulated settings.

The candidate will develop, transfer, and qualify methods for process and formulation development, working in a fast-paced team with strong documentation and adherence to quality systems.