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Microbiologist I

Eurofins · King of Prussia, PA
Posted Jul 21, 2026

Eurofins Scientific is an international life sciences company, providing a unique range of analytical testing services to clients across multiple industries, to make life and our environment safer, healthier and more sustainable. From the food you eat, to the water you drink, to the medicines you rely on, Eurofins laboratories work with the biggest companies in the world to ensure the products they supply are safe, their ingredients are authentic and labelling is accurate.

The Eurofins network of companies is the global leader in food, environment, pharmaceutical and cosmetic product testing and in agroscience Contract Research Organisation services. It is one of the market leaders in certain testing and laboratory services for genomics, discovery pharmacology, forensics, advanced material sciences and in the support of clinical studies, as well as having an emerging global presence in Contract Development and Manufacturing Organisations. It also has a rapidly developing presence in highly specialised and molecular clinical diagnostic testing and in-vitro diagnostic products.

In over 30 years, Eurofins has grown from one laboratory in Nantes, France to 58,000 staff across a decentralised and entrepreneurial network of 900 laboratories in over 54 countries. Eurofins companies offer a portfolio of over 200,000 analytical methods to evaluate the safety, identity, composition, authenticity, origin, traceability and purity of biological substances and products.

In 2021, Eurofins generated total revenues of EUR 6.72 billion, and has been among the best performing stocks in Europe over the past 20 years.

We are seeking a detail-oriented and motivated Microbiologist with experience in water system monitoring, microbiological testing, and environmental monitoring in a GMP-regulated setting. The analyst will be responsible for collecting and testing water and clean steam samples, performing environmental monitoring, and analyzing facility cleaning and in-process samples. Responsibilities could include:

Water system

Collection of samples from the facility water and clean steam systems

Microbiological testing of the facility and/or laboratory water purification system samples.

GMP review of data

Qualification and Release of Media

Analytical testing of the facility cleaning samples and Microbial testing of facility In-Process samples

Initiation and follow-up of exceeded alert and action limits per procedure

Participation in the preparation of monthly trending reports

Environmental Monitoring

Performs plate readings for all environmental monitoring samples as necessary

Performs environmental monitoring, including unmanned Environmental Monitoring in accordance with Sterile Operations schedule

Laboratory Support:

Logs microbiological testing media and reagents and performs growth promotion

Provides testing support for validation work such as for Validation Maintenance

Provides support for third-party testing, including preparation of documents and shipment of samples, sample tracking, and documentation archiving using LabWare

Provides Microbial Identification support, including documentation, subculturing, Gram stains (where applicable), ensuring chain of custody, review of any vendor report, and interfacing with the vendors

Minimum Qualificaitons:

Bachelor's degree in Biology or Microbiology or Associate’s Degree with a minimum of 1 year of Microbiological experience in the Pharmaceutical Industry

Ability to work independently and as part of a team, self-motivation, adaptability, and a positive attitude

Ability to work flexible hours at times to support business needs.

Experience with Microsoft Office

Authorization to work in the United States indefinitely without restriction or sponsorship

The Ideal Candidate will Have:

Experience in a Quality Control Lab or Sterile Suite

Familiarity with cGMP's

Excellent communication (oral and written)

Strong Attention to Detail

A client-focused mindset and a commitment to exceptional service.

What to Expect in the Hiring Process:

10-15 Minute Phone Interview with Region Recruiter

45-60 Minute Virtual Interview with Manager and/or Group Leader

Additional Details:

The position is onsite, full-time, Monday-Friday from 7 am-3 pm. Candidates living within a commutable distance of King of Prussia, Pennsylvania, and the surrounding areas are encouraged to apply.

Excellent full-time benefits include:

comprehensive medical coverage, dental, and vision options

Life and disability insurance

401(k) with company match

Paid vacation and holiday

Eurofins USA PSS Insourcing Solutions is a Disabled and Veteran Equal Employment Opportunity employer.

Originally posted by Eurofins. View original posting

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Microbiologist I at Eurofins | BioCareerAI