MAC Incorporated

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Microbiologist Fenton, Missouri
Job Ref:

Microbiologist I


Department:     Laboratory


FLSA Status:   Salaried


Function:         The position is responsible for performing microbiological analysis, in process bioburden testing, final product endotoxin and sterility testing, investigate out-of-limit or out-of-specification test results, and provide lab support for validation and business development activities.


Primary Responsibilities and Essential Functions of the Position:

  • Perform microbiological testing in support of environmental testing, raw materials, in-process, final product, stability, and method validation.
  • Prepare and qualify media, reagents, buffers and diluents for microbiological testing.
  • Prepare and maintain bacterial and fungal cultures.
  • Provide excellent aseptic technique.
  • Populate environmental monitoring, purified water and isolate identification trending databases.
  • Order, stock, receive, label, log and inventory laboratory supplies.
  • Calibrate and maintain laboratory equipment.
  • Perform general laboratory maintenance.
  • Peer review data and reports.
  • Participate in laboratory investigations, root cause analyses and CAPA plan implementation.
  • Review and revise SOP’s.
  • Follow cGMP and OSHA guidelines with regards to work practices and safety.
  • Other duties, which may be assigned from time to time.


Skills and Abilities Required:

  • Proficient with Microsoft Word, PowerPoint, Excel, and Outlook.
  • Ability to interact with all levels of the organization.
  • Must possess excellent organizational skills.
  • Must possess excellent communication skills; both written and verbal.


Minimum Education and Experience Required:

  • Bachelor’s degree in Microbiology or related field.
  • Preferably 1 to 3 years of experience in the pharmaceutical industry.


Physical Requirements:

  • Some lifting less than 35 pounds.


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