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Quality Control Senior Microbiologist

General Responsibilities:

Performs microbiological and other testing in support of aseptic product manufacturing.

Responsibilities:

  • Perform sterility, endotoxin, pH and osmolality testing on raw materials, drug substance, and drug product
  • Perform gram stains, sub-culturing of isolates, growth promotion testing, and general cell culture
  • Direct Sterile Media Fill Trials and perform support testing, including visual inspection
  • Maintain housekeeping and equipment maintenance in the Quality Control laboratories
  • Assist the Quality Control department in daily operations, as needed
  • Author and revise QC SOPs as necessary to maintain compliance
  • Author and execute qualification protocols and reports for microbiological assays
  • Timely response to Out of Specification (OOS) results, including notification to area supervision
  • Completion of thorough investigations to ensure that potential problems and root causes are identified, impact assessed and actions to prevent recurrence are considered and implemented
  • Communicate with the individual Operations Departments (Manufacturing, Quality Assurance, Facilities) to ensure that Company objectives are met on schedule
  • Perform viable and non-viable environmental monitoring in support of Manufacturing and Quality Control in the form of air testing, surface testing, personnel testing and particulate monitoring, inside the aseptic clean rooms, as necessary
  • Oversight of critical processing steps performed by Manufacturing during aseptic product manufacture, ensuring accuracy of steps performed
  • Training of other employees as necessary


Computer Skills

  • To perform this job successfully, an individual should have knowledge of Database software; Project Management software; Spreadsheet software and Word Processing software.


Education:

  • Minimum Bachelor of Science degree in a scientific discipline


Experience:

  • 4 - 8 years of microbiology experience in the biologics or pharmaceutical industry
  • Experience with BacT rapid sterility assay, endotoxin testing, growth promotion, and environmental monitoring required. Experience with cell therapy preferred.
  • Knowledge of Current Good Manufacturing Practice and Industry standards
  • Experience in aseptic processing and mammalian cell culture production
  • Familiarity of basic laboratory equipment such as microscopes, pH meters, incubators
  • Excellent verbal, written and organizational skills
  • Good interpersonal and communication skills
  • Must be open to occasional off shift and weekend work
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Quality Control Senior Microbiologist

Castle Creek Biosciences, Inc.
Exton, PA 19341
Full Time
Bachelor's
USD 95,000.00 - 125,000.00 per year

Published on 08/28/2025

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