Microbiologist

Company: Certified Laboratories Inc
Location: Tustin
Posted on: February 21, 2026

Job Description:

Job Description Job Description Certified Group is committed to delivering expert solutions and quality testing our customers can feel confident in – on time, every time – so the world can trust in what it consumes. As a leading North American provider of laboratory testing, regulatory consulting, and certification & audit services, Certified Group includes Food Safety Net Services (FSNS), FSNS Certification & Audit, Certified Laboratories, EAS Consulting Group, and Labstat International Inc. Certified Group provides analytical testing and regulatory guidance services in the food & beverage, dietary supplements & NHP, cosmetics, OTC, personal care, tobacco, nicotine, cannabis, and hemp industries. We have embarked on an important journey to unify and strengthen our culture by living these core values: Start with the Customer, Drive to Deliver, Commit to Safety and Quality, and Believe in the Team — including believing in you. We are currently looking for a Microbiologist to join our team! JOB SUMMARY Prepare samples for analytical and microbiological testing of nutraceutical products and supplements ingredients, and environmentals. The role is responsible for the application of approved microbiological techniques and methodologies used in analytical testing. ESSENTIAL RESPONSIBILITIES Assist in microbial challenge testing of new products to determine adequacy of preservation. Bioburden panel testing, water testing, environmental testing (ie air plates, swabs, conductivity) Apply aseptic techniques in daily workload. Inventory and report expendable supplies/materials needed for testing requirements Provide routine preventive maintenance by daily cleaning, sanitizing, and trash disposal Perform quality control monitoring by taking incubator temperatures, inoculating control organisms, running media controls, etc. Maintain laboratory condition, to include equipment, supplies Perform all activities in a neat, safe, hygienic, and efficient manner Prepare media for microbial quality and preservative adequacy testing. Document media preparation and media control information in appropriate logbooks. Maintain appropriate notebooks and computer logs required for the department. Organize the destruction of product discards and assist with special projects. Share information in an open, and timely manner with Supervisor Perform other duties as assigned. MINIMUM QUALIFICATIONS: BS degree in microbiology or related field with 2-3 years of lab experience. At minimum, 1 or more years of Quality Assurance or Microbiological testing experience in the cosmetic, nutritional, or pharmaceutical industries Able to handle multiple tasks and work in a fast-paced environment. Able to adapt to changes to improve company processes. Able to carry up to 50 pounds. Able to stand and sit for long periods of time. Must be able to rotate one weekend day. PHYSICAL DEMANDS Dexterity of hands and fingers to operate a computer keyboard, mouse and to handle other communications/computer components Potential exposure to odors, fumes, airborne particles, hazardous chemicals, and microbiological pathogens Noise level varies from quiet to loud Temperature varies from hot to cold Interactive and fast-paced team oriented tasks Occasionally lift and/or move up to 25 pounds. Color vision and depth perception Benefits : Progressive 401k Retirement Savings Plan Employer Paid Short- Term and Long-Term Disability, and Life Insurance Group Medical Tuition Reimbursement Flexible Spending Accounts Dental Paid Holidays and Time Off Many positions which qualify for the company bonus program Certified Group values diversity in its workforce. The company is firmly committed to a policy of Equal Opportunity and will administer its policies in a manner that treats each employee and applicant for employment on the basis of merit. Certified Group will take affirmative action to seek out qualified applicants without regard to race, color, religion, sex, national origin, age, handicap, or veteran status. Monday through Friday, 8:00 AM to 5:00 PM, evenings and weekends as required

Keywords: Certified Laboratories Inc, Paramount , Microbiologist, Science, Research & Development , Tustin, California