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From the employer's careers site First seen 1 Nov 2026

Microbiology Analyst Chemist

Pfizer Toluca On-site full-time

The employer hasn't listed a salary.

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Description

At Pfizer, quality and safety start with excellence in microbiological processes. As a Microbiology Analyst Chemist, you will be part of a team ensuring the microbiological quality of pharmaceutical products, critical systems, and controlled environments that directly impact medication production for patients globally.

Responsibilities

In this role, you will:

  • Conduct microbiological analysis of raw materials, in-process products, finished products, stability studies, and critical systems.
  • Perform environmental monitoring and sampling of critical systems, including water, steam, and nitrogen, to ensure compliance with established quality standards.
  • Prepare and use culture media, reagents, standards, and microbiological strains according to internal SOPs.
  • Analyse, document, and report microbiological results following data integrity and good documentation practices principles.
  • Identify out-of-specification results, adverse trends, or events that may pose a risk to product quality.
  • Participate in validation studies of processes, holding times, transfers, and implementation of microbiological methods.
  • Collaborate with multidisciplinary teams to ensure compliance with regulatory and quality requirements.
  • Contribute to continuous improvement initiatives, process standardisation, and operational excellence within the laboratory.

Requirements

  • Completed degree in QFB, QBP, QFI, or related fields in chemical, pharmaceutical, or biological sciences.
  • At least 2 years of experience in a microbiological laboratory within the pharmaceutical industry.
  • Knowledge of microbiological analysis of pharmaceutical products and critical systems.
  • Experience in environmental monitoring and pharmaceutical water systems.
  • Familiarity with Good Manufacturing Practices (GMP), Good Laboratory Practices (GLP), Good Documentation Practices, and Data Integrity.
  • Ability to analyse information, solve problems, and work in highly regulated environments.
  • Proficiency in Microsoft Office tools.
  • Basic to intermediate English language comprehension for technical procedures and documentation.

Desirable Requirements

  • Laboratory management systems.
  • Validation or implementation of microbiological methods.
  • Analysis of microbiological trends and critical systems.
  • Support for regulatory audits and inspections.
  • Mastery of aseptic techniques and contamination control.
  • Strong problem-solving and root cause analysis skills.
  • Ability to work independently and collaborate effectively in multidisciplinary teams.
  • Skill in managing multiple activities and priorities simultaneously.
  • Experience with artificial intelligence tools, including generative technologies like Microsoft Copilot, to support problem-solving and productivity improvement.

Skills

Required

Nice to have

  • Laboratory management systems
  • Validation of microbiological methods
  • Microbiological trend analysis
  • Aseptic techniques
  • Artificial intelligence tools

Ready to apply?

You apply with the employer directly. Their original posting is here: https://pfizer.wd1.myworkdayjobs.com/en-US/PfizerCareers/job/Mexico---Toluca/Qumico-Analista-de-Microbiologa_4964526

Apply on Pfizer