Associate Scientist, Bioassay and Impurity Testing

Chesterfield, Missouri
April 06 2021
Position Type
Full Time
Organization Type
Why Patients Need You

Pfizer's purpose is to deliver breakthroughs that change patients' lives. Research and Development is at the heart of fulfilling Pfizer's purpose as we work to translate advanced science and technologies into the therapies and vaccines that matter most. Whether you are in the discovery sciences, ensuring drug safety and efficacy or supporting clinical trials, you will apply cutting edge design and process development capabilities to accelerate and bring the best in class medicines to patients around the world.

What You Will Achieve

Bioassay and Impurity Testing Group: We are seeking candidates to join us in building capabilities to lead the industry in the advancement of novel products to the market through innovation and execution of analytical testing. Working within a team setting, the qualified candidate will be responsible for the development, maintenance and testing of critical reagents and assays to evaluate process-related impurities in biological candidates in clinical development. The qualified candidate will have experience with PCR assays and/or immunoassays, which may be used for release testing and product characterization to ensure residual host impurities are controlled. These data are required to confirm suitable quality of clinical supplies in a broad biologics portfolio, including vaccines, gene therapy, antibody-drug conjugates, therapeutic proteins and monoclonal antibodies. Prior experience in assay validation is highly desirable, as well as any experience working in a GMP environment. Excellent writing skills and the ability to document and communicate results to a wide array of scientists and management will be critical. Ability to multitask while working with multiple people in a team-based environment is a requirement.

How You Will Achieve It

  • The candidate is responsible for qualification and testing of qPCR-based assays and/or immunoassays and their associated critical reagents in a GMP environment
  • The candidate is expected to document and report lab work according to GMP practices
  • The candidate must be able to interact effectively with multi-disciplinary project teams
  • The candidate is expected to tabulate data, provide data interpretation to their teams and to their customers
  • The candidate is expected to revise/review/author test technical reports
  • The candidate is expected to have intermediate proficiency in Microsoft Office (Word, Excel)



  • Bachelor's degree in biology, biochemistry, immunology, biotechnology or related field
  • 1-2 years of experience performing qPCR-based assays and/or immunoassays (e.g. ELISA)
  • Proven record of delivering results in a fast paced environment and effective communication to project teams
  • Demonstrated technical writing skills and good interpersonal skills


  • Experience with automation platforms (e.g. Hamilton, TECAN, Caliper, etc.)
  • Experience in GxP (GLP, GMP) environment and implementation of continuous improvement practices
  • Method validation experience
  • Cell-based assay experience

  • Position requires occasional light lifting and periods of standing, sitting or walking.

  • Last Date to Apply for Job: April 19, 2021
  • Eligible for Employee Referral Bonus: YES


Sunshine Act

Pfizer reports payments and other transfers of value to health care providers as required by federal and state transparency laws and implementing regulations. These laws and regulations require Pfizer to provide government agencies with information such as a health care provider's name, address and the type of payments or other value received, generally for public disclosure. Subject to further legal review and statutory or regulatory clarification, which Pfizer intends to pursue, reimbursement of recruiting expenses for licensed physicians may constitute a reportable transfer of value under the federal transparency law commonly known as the Sunshine Act. Therefore, if you are a licensed physician who incurs recruiting expenses as a result of interviewing with Pfizer that we pay or reimburse, your name, address and the amount of payments made currently will be reported to the government. If you have questions regarding this matter, please do not hesitate to contact your Talent Acquisition representative.

EEO & Employment Eligibility

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.

Research and Development

Similar jobs

Similar jobs