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Microbiology Lab Technician II (3rd Shift)

Siegfried
Irvine, CA Full Time
POSTED ON 7/18/2026
AVAILABLE BEFORE 8/15/2026
"Expect to grow", personally and professionally: At Siegfried, we offer exciting challenges and ample opportunities to showcase your talents. As a trusted and respected partner to the pharmaceutical industry, we uphold the highest standards in safety, quality and sustainability, while fostering a culture that empowers you to thrive. Join a rapidly expanding global company, where diverse perspectives and experiences come together in a collaborative environment. Here, you'll find a workplace that values both collective success and your individual contributions—offering long-term opportunities to grow and make an impact.

Your Role:

Microbiology Lab Technician - 3rd Shift (10:00 PM - 6:30 AM Sunday night through Friday morning)

The Micro Lab Technician II supports microbiological testing and laboratory operations in a cGMP-regulated pharmaceutical and medical device manufacturing environment. This position performs routine microbiological testing, environmental monitoring activities, laboratory maintenance, data collection, and documentation while ensuring compliance with company procedures, regulatory requirements, and quality standards.

Your Profile:

Responsibilities

  • Perform routine microbiological testing in accordance with approved SOPs and cGMP requirements.
  • Conduct Environmental Monitoring (EM) activities, including:
    • Viable air sampling
    • Surface monitoring
    • Personnel monitoring
    • Non-viable particulate monitoring
  • Collect and process water samples for microbiological analysis.
  • Support sample preparation, incubation, and documentation activities.
  • Perform media preparation, sterilization, and autoclaving of laboratory materials and supplies.
  • Conduct precut and support activities required for environmental monitoring programs.
  • Maintain laboratory cleanliness, organization, and housekeeping in accordance with GMP standards.
  • Retrieve samples, supplies, and testing materials from the warehouse to support laboratory operations.
  • Operate and monitor autoclave equipment for sterilization of media, glassware, and laboratory materials.
  • Accurately document laboratory activities, observations, and test results in notebooks, worksheets, and electronic systems.
  • Review laboratory records for completeness and compliance with Good Documentation Practices (GDP).
  • Trend environmental monitoring data and communicate potential adverse trends to supervision.
  • Verify equipment calibration status prior to use and ensure equipment is operating properly.
  • Communicate equipment issues or maintenance needs to management promptly.
  • Collaborate with Quality, Manufacturing, and other departments to support production schedules and project timelines.
  • Participate in laboratory investigations, corrective actions, and continuous improvement initiatives as assigned.
  • Perform additional duties as assigned by management.
Required Knowledge, Skills And Abilities

Education:

  • High School Diploma or equivalent required.
  • Associate degree or coursework in Microbiology, Biology, Chemistry, or a related scientific field strongly preferred.

Experience:

  • 1-3 years of experience in a microbiology laboratory environment.
  • Experience in pharmaceutical, biotechnology, medical device, food, or contract testing laboratories preferred.
  • Experience performing environmental monitoring in controlled environments is a plus.

Knowledge, Skills and Abilities:

  • Basic knowledge of microbiological laboratory techniques and aseptic practices.
  • Understanding of cGMP, Good Documentation Practices (GDP), and laboratory SOPs.
  • Ability to follow written procedures accurately and consistently.
  • Strong organizational skills and attention to detail.
  • Proficient with Microsoft Office applications, including Word and Excel.
  • Effective written and verbal communication skills.
  • Ability to work independently and as part of a team.
  • Ability to gown aseptically and work in cleanroom environments.
  • Flexibility to work overtime or adjusted schedules to support production and laboratory operations.
  • Knowledge of laboratory safety practices and procedures.

Target Pay Rate: $26 - 30/hour 15% Differential working on 3rd Shift (10:00 PM - 6:30 AM Sunday night through Friday morning)

Individual compensation packages are based on various factors unique to each candidate, including skill set, experience, qualifications and other job-related reasons.

Your Benefits:

  • Medical, Dental, Vision
  • Flexible Spending & HSA Options
  • Life Insurance, Short & Long Term Disability
  • Pet Insurance
  • 401K

Founded in 1873 in Zofingen, Switzerland, Siegfried has grown into a global network of 16 sites across three continents. With a team of more than 4,200 highly skilled professionals, we take the innovations of our pharmaceutical customers to industrial scale and manufacture safe drugs for patients worldwide. As a fully integrated CDMO, Siegfried is one of the few organizations today that can carry out the development and manufacturing of APIs and finished dosage forms under one roof. This unique combination of know-how and experience makes us the most trusted partner in the pharmaceutical industry.

Salary : $26 - $30

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