Scientist - Analytical Assay

Job Description

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.

• 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

• 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
• Authorization to work in the United States without current or future sponsorship requirements
• Located within commutable distance to Chesterfield, MO, highly encouraged to apply

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

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

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