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Microbiologist III - 2nd Shift

Siegfried · Irvine, CA

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Role summary

Siegfried seeks an experienced Microbiologist III for second-shift operations at their Irvine pharmaceutical CDMO. The role combines hands-on laboratory work with leadership responsibilities, including method validation, investigations, and mentoring of junior microbiologists in sterile manufacturing support.

What they're looking for

  • Bachelor's degree in Microbiology or related scientific discipline
  • 8-10+ years of pharmaceutical microbiology experience in sterile manufacturing
  • Demonstrated expertise executing microbiological method validation studies
  • Experience leading OOT, OOS, deviation, and contamination investigations
  • Strong technical writing skills for protocols, reports, and scientific documentation
  • Knowledge of aseptic processing, contamination control, and cGMP requirements
  • Experience supporting Antimicrobial Effectiveness Testing (AET)

What you'll be doing

  • Perform microbiological testing on environmental, raw material, in-process, and finished product samples
  • Lead microbiological investigations and support contamination control initiatives
  • Execute method validation and qualification studies with protocol development and reporting
  • Author and review technical protocols, investigations, and scientific documentation
  • Mentor junior microbiologists and serve as technical resource for team expertise
Compensation$44-$48/hour + 10% shift differential

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Date posted4 days ago
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