Scientist - Analytical Assay

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.

We are seeking a highly motivated Analytical Scientist to support biotherapeutic process development programs, with a primary focus on large molecule characterization (proteins, polysaccharides, nucleic acids, and related biologics).

In this role, you will contribute to the development and execution of analytical methods that enable process understanding, product characterization, and quality assessment across development stages.

Key Responsibilities

• Provide hands-on analytical support for biotherapeutic process development teams
• Perform and optimize analytical assays for large molecule characterization
• Analyze and interpret data, ensuring accuracy and alignment with project goals
• Collaborate cross-functionally with process development, quality, and project teams
• Maintain clear and detailed documentation in accordance with regulatory and quality standards
• Support troubleshooting and continuous improvement of analytical methods

• Required technical experience: Hands-on experience with Capillary Gel Electrophoresis (CGE), qPCR, and HPLC
• Experience with SEC-MALS (Size Exclusion Chromatography–Multi-Angle Light Scattering) is strongly valued
• Bachelor’s or Master’s degree in Biotechnology, Biochemical Engineering, Analytical Chemistry, Chemical Engineering, or a related scientific discipline
• 3–5 years of relevant industry experience in a laboratory or biotherapeutic development environment
• Must have authorization to work in the United States without current or future sponsorship requirements
• Candidates located within a commutable distance to Chesterfield, MO are highly encouraged to apply

Preferred Qualifications

• NMR experience
• Mass spectrometry experience 
• Experience working with electronic laboratory notebook (ELN) systems and/or GMP documentation practices
• Familiarity with Empower or OpenLab software

• Position is full-time, schedule is 1st shift Monday-Friday, 8AM-5PM. 

• LinkedIn: #LI-EB1
  
   

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