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Associate Scientist, Microbiology

Chesterfield, Missouri
Closing date
Aug 17, 2022

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Life Sciences, Microbiology, Physical Sciences, Chemistry
Position Type
Full Time
Job Type
Staff Scientist
Organization Type
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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 operations and you'll find that everything we do, every day, is in line with an unwavering commitment to quality. Your work in the Analytical R&D Microbiology Strategy & Testing organization helps enable development of biological therapeutics at Pfizer. Your responsibilities will be applying GMP microbiological methods (bioburden, endotoxin, PCR, etc.) in the assessment of product quality and detection of impurities. Your contributions are part of a group performing microbiology identification, testing, and method qualifications to support multiple sites in the Pfizer network. You will be responsible for Environmental Monitoring (EM) of manufacturing facilities, waters, and compressed gases at the site. The Associate Scientist is responsible for utilizing established microbiological methodologies to support GMP in-process and research & development testing of clinical supplies.

You will become proficient in aseptic lab technique and facility gowning to thrive in this fast-paced environment.Your strong foundation in general scientific practice, its principles and concepts will help in meeting critical deadlines. You will be relied on as a technical contributor to assess the assigned tasks and make decisions that involve direct application of your knowledge. It is your focus and commitment that will help in making Pfizer ready to achieve new milestones and help patients across the globe.

How You Will Achieve It

  • Exercise and build basic team effectiveness skills {e.g., commitment, feedback, consensus management) within the work group.
  • Review and contribute to technical documents, including validation protocols and reports, analytical test procedures, investigation reports, monitoring trend reports, and change controls.
  • Directly interact with multiple department team members, including presentation of data.
  • Complete all Good Laboratory Practice {part of GxP} and safety training in compliance with departmental requirements and follow appropriate safety practices in the workplace.
  • Perform various experiments for microbial analysis, qualification/validation, and characterization of biological therapeutics.
  • Perform and document environmental monitoring of manufacturing areas and related Microbiological activities.
  • Conduct all work according to appropriate Standard Operating Procedures following Good Manufacturing Practices/Good Laboratory Practices (GMP/GLP) requirements and ensure integrity of all data generated and documented.
  • Independently analyze and provide conclusions regarding data generated.
  • Plan and prioritize assigned testing activities.
  • Present problems and propose solutions in discussions with group members.



  • Bachelor's Degree in microbiology, biochemistry, biology, or related field.
  • Good documentation skills with high attention to detail.
  • Strong organizational skills and effective interpersonal and written communication skills.
  • Be self-motivated and highly effective in a team-based environment.
  • Ability to follow established procedures under minimal supervision.


  • Experience with Quality Systems in a Good Manufacturing Practices (GMP) environment.
  • Experience with laboratory data systems such as Laboratory Information Management Systems (LIMS).
  • Hands on experience or working knowledge in pharmaceutical industry and handling of analytical instruments.
  • Some knowledge of drug development process for progression of biological candidates.

Physical/ Mental Requirements

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

Non-Standard Work Schedule, Travel or Environment Requirements
  • This is typically a Monday-Friday schedule, first shift. Occasional weekend work or off-shift hours work is required per business need.
  • Candidate must be able to qualify on cleanroom gowning to conduct weekly monitoring of the manufacturing areas.
  • Work Location Assignment:On Premise

Other Job Details:

  • Last Date to Apply for Job: August 23, 2022
  • Eligible for Relocation Package: No



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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