QC Microbiology Scientist

Saint Louis, MOFull-timePosted Jul 23, 2026

Work Schedule

10 hr shift/days

Environmental Conditions

Laboratory Setting

Job Description

This position will work in the cGMP compliant QC Microbiology Laboratory supporting manufacture of biological products. Responsibilities include performing microbiological testing (bioburden, bacterial endotoxin testing, growth promotion, biological indicators, and stock cultures), and bioburden and endotoxin validation work.

How will you make an impact?
The Microbiology Scientist will be expected to write and technically interpret controlled documents and reports, and review data and initiate investigations. Will interact with other departments to ensure that sample flow and testing are correctly maintained. Will interact with other departments to ensure that sample flow, supply chain, and equipment disposition are correctly maintained. Will perform microbiological testing methods, in a GMP Microbiology laboratory.


What will you do?

  • Perform Bioburden and Endotoxin testing for waters, in- process, and product samples.
  • Qualify microbiological testing such as bioburden and bacterial endotoxin.
  • Draft SOPs, Test Records, OOS Investigations and Summary reports and any supporting documents.
  • Review data, analyze and summarize data with guidance.
  • Order laboratory supplies and maintain required inventory according to SOPs
  • Arrange the receipt of samples in the lab for testing.
  • Maintains and ensures safe laboratory practices.
  • Using aseptic techniques while handling samples.
    Work performed would support GMP manufacturing activities and release testing. This position is a WED-SAT 10 H shift. Flexibility and overtime may be required on holidays and weekends to support project timelines.
    If you are interested in the position, please contact Ghada Qattan and Megan Duarte


How will you get here?
Education

  • A bachelor’s degree in Life Sciences or Biology is required /Microbiology is preferred.
    Experience
  • A minimum of 1 year of work experience within the biological and/or pharmaceutical industry is preferred. A graduate degree and appropriate hands-on college coursework may substitute at an equivalent rate for required experience.
  • Laboratory documentation, reports, and quality systems (LIMS, Trackwise, Documentum)
  • Hands on experience with aseptic technique, light microscopy, gram stain, bioburden testing, bacterial endotoxin testing and general microbiological techniques. Familiarity with microbial taxonomy and identification.

Benefits

We offer competitive remuneration, annual incentive plan bonus, healthcare, and a range of employee benefits. Thermo Fisher Scientific offers employment with an innovative, forward-thinking organization, and outstanding career and development prospects. We offer an exciting company culture that stands for integrity, intensity, involvement, and innovation!

Other

Relocation assistance is not provided.

Must be legally authorized to work in the United States now and in the future, without sponsorship.

Must be able to pass a comprehensive background check, which includes a drug screening.

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