Research Associate Scientist - Bioassay
Eurofins · St. Louis, MO, United States · Posted Jul 7, 2026
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What you will learn and work with:
Developing, performing, and troubleshooting in vitro cell-based expression assays and flow cytometry assays to support product testing.
Supporting assay development through a variety of molecular biology techniques.
Documenting and reporting laboratory data in accordance with GMP practices.
Collaborating effectively within cross-functional and multi-disciplinary project teams to ensure timely and accurate testing.
Minimum Skills:
Authorization to work in the United States indefinitely without restriction or sponsorship indefinitely.
Bachelors or Masters Degree in relevant life science field (Biotechnology, Biology, Biochemistry, Molecular Biology, or related discipline)
1-3 years of relevant industrial experience
Hands-on experience with molecular and cell biology techniques, including familiarity with techniques such as: In vitro expression assays
Mammalian Cell Culture
Cell-based assays
Flow cytometry
Aseptic technique
Experience working in GMP and GMP-like environments is preferred.
Strong attention to detail and adherence to good documentation practices.
Candidates within a commutable distance of Chesterfield, MO are encouraged to apply
Desired Skills:
PCR/qPCR, ELISA, Blotting Techniques
Method validation experience.
Position is full-time, Monday to Friday 8:00am - 5:00pm. Candidates currently living within a commutable distance of Chesterfield, MO are encouraged to apply.
What we offer:
- Comprehensive medical coverage, with dental and vision options
- Life and disability insurance
- Paid holidays and vacation.
Eurofins Lancaster Laboratories Professional Scientific Services® (PSS) is a global, award-winning insourcing solution that places our people at our clients’ site dedicated to running and managing laboratory services while eliminating headcount, co-employment and project-management worries.
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Eurofins USA PSS Insourcing Solutions is a Disabled and Veteran Equal Employment Opportunity employer.
At Eurofins PSS, we work with leading international companies across the pharma, medical device, food, cosmetic & consumer products industries - who all trust us with their mission-critical testing. For 20 years, our international network of teams have served clients at their sites, across 20 countries.
PSS® is part of Eurofins Scientific, an international life sciences company, providing a unique range of analytical testing services across multiple industries, through a network of over 950 laboratories in 60 countries, and c.a. 63,000 employees.
Life at Eurofins is a meritocracy, where people are empowered to make decisions and are rewarded for their success, allowing them to advance quickly. Become your most extraordinary self with support and development throughout your career.