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Associate Scientist

Chesterfield, Missouri
Closing date
Oct 4, 2022

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Physical Sciences, Chemistry
Position Type
Full Time
Job Type
Staff Scientist
Organization Type
All Industry, Pharma
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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

As an Associate Scientist, you will be at the center of our day-to-day operations. You will join the Analytical R&D organization within Biotherapeutics Pharmaceutical Sciences in Chesterfield, MO. The group supports manufacturing process development and testing of clinical drug candidates in the R&D setting thus enabling development of gene therapies, vaccines, and biotherapeutics. You will be responsible for applying variety of analytical methods to the assessment of product quality, quantification of impurities, and characterization across projects. You will participate in method development, transfer, and troubleshooting.

How You Will Achieve It

  • Adhere to the highest quality standards and appropriate safety practices in the workplace.
  • Complete all Good Laboratory Practice and safety training in compliance with departmental requirements and follow appropriate safety practices in the workplace.
  • Become proficient in various biophysical and biochemical techniques such as HPLC (SE-HPLC, IEX, RP-HPLC), SDS-PAGE, Capillary Gel electrophoresis (CGE), imaged Capillary Electrophoresis (iCE), Spectroscopy techniques, and other relevant analytical methods.
  • Perform various experiments for analytical method development/qualification and characterization for biological therapeutics such as proteins, polysaccharides, vaccines, and gene therapies.
  • Independently analyze and provide conclusions regarding experimental data generated.
  • Document analytical results in regulated systems and technical reports demonstrating attention to detail and strong organizational skills.
  • Interact effectively with peers and leaders as part of a multi-disciplinary team and thrive in a fast-paced, ever-changing, matrixed environment.


  • Bachelor's Degree
  • Experience with Quality Systems in a Good Manufacturing Practices {also cGMP} environment
  • Hands on experience or working knowledge in Pharmaceutical industry in handling of analytical instruments
  • Knowledge of drug development process for progression of biological incumbents
  • Good documentation skills with high attention to detail, strong organizational skills, team oriented, effective interpersonal and communication skills


  • Experience with laboratory data systems.
  • Working knowledge and ability to operate analytical and physical techniques used for the characterization of pharmaceutical substances and products.
  • Experience in analysis of large molecules.

Other Job Details:
  • Last Date to Apply for Job: October 19th, 2022
  • Work Location Assignment:On Premise colleagues work in a Pfizer site because it's needed to get their job done. They may have flexibility to work remotely from time to time, but they are primarily on-site.


Relocation assistance may be available based on business needs and/or eligibility.

Pfizer requires all U.S. new hires to be fully vaccinated for COVID-19 prior to the first date of employment. As required by applicable law, Pfizer will consider requests for Reasonable Accommodations.

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
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