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Eurofins

Senior Scientist - Analytical Chemist

On site · Saint Charles, MO

This role is on site in Saint Charles, MO.

Apply on the employer's siteOriginal listingJSON

PeopleSeek Talent does not submit applications. The button opens the employer's own page; this listing was verified 5 hours ago.

PayNot listed
Work arrangementOn site
Who can applyPeople who can work in Saint Charles, MO
LevelSenior
TypeFull time
Occupationcomputer scientist
Languageen
Posted26 October 2026
Last verified5 hours ago
StatusActive

About the role

Job Description

Are you looking to grow your career in analytical chemistry? Come join our growing team! The Scientist II – Analytical Chemist will support the Eurofins Discovery business in contract research services. This role requires applied experience and proven knowledge in analytical chemistry method development and analysis, with related experience in a contract research organization (CRO) or industry laboratory.

Here's what you'll do:

  • Perform work in a laboratory setting, meeting the physical job requirements of a lab role.
  • Develop Liquid Chromatography- Mass Spectrometry (LC-MS) methods for ADME/ DMPK and BioAnalysis applications
  • Provide leadership and mentorship for junior scientists, and lab leadership through daily lab management, equipment management and lab planning.
  • Develop analytical methods supporting project teams both internally and externally for new assay development.
  • Perform troubleshooting and maintenance of Mass Spectrometers and HPLC units.
  • Experience with Sciex® or Thermo High Resolution/ Accurate Mass Instrumentation is a plus.
  • Prepare and manages inventory of buffers, reagents, semi-finished and finished goods.
  • Provide solutions to more complex problems, identifies and initiates process improvements
  • Perform data and report QC review within the department and may support the Study Director.
  • Support validation of new methods that contribute to expansion of service/product line, equipment, and data management systems.

Qualifications

The ideal candidate:

  • 5+ years of of direct/demonstrated experience with Liquid Chromatography- Mass Spectrometry (LC-MS) in a contract research organization or industry laboratory in one or more of the following areas:
    • Bioanalytical Method Development for Small and/or Large Molecules
    • Drug Metabolism and Metabolite Identification w/ Structural Elucidation
    • Mass Spectrometry-Based Proteomics experimental design & execution
  • Demonstrated experience with validation of bioanalytical methods in accordance with regulatory (FDA, ICH, OECD) guidelines.
  • Good communication and interpersonal skills
  • Experience working in a Quality Management System
  • Demonstrated proficiency in High-Throughput analytical method development for small molecules.
  • Experience in leading and delivering results in R&D or innovation programs
  • B.S. with 7 years of relevant experience
  • M.S. with 5 years of relevant experience
  • Ph.D. with 3 years of relevant experience
  • Or an equivalent combination of education and experience

Additional Information

The position is full-time, Monday-Friday, 8 a.m.- 5 p.m., with overtime as needed. Candidates living within a commutable distance of St. Charles, MO are encouraged to apply. 

  • Excellent full time benefits including comprehensive medical coverage, dental, and vision options
  • Life and disability insurance
  • 401(k) with company match
  • Paid vacation and holidays

Eurofins USA Discovery Services is a Disabled and Veteran Equal Employment Opportunity employer.

Qualifications

  • 5+ years of of direct/demonstrated experience with Liquid Chromatography- Mass Spectrometry (LC-MS) in a contract research organization or industry laboratory in one or more of the following areas: - Bioanalytical Method Development for Small and/or Large Molecules
  • Drug Metabolism and Metabolite Identification w/ Structural Elucidation
  • Mass Spectrometry-Based Proteomics experimental design & execution
  • Demonstrated experience with validation of bioanalytical methods in accordance with regulatory (FDA, ICH, OECD) guidelines.
  • Good communication and interpersonal skills
  • Experience working in a Quality Management System
  • Demonstrated proficiency in High-Throughput analytical method development for small molecules.
  • Experience in leading and delivering results in R&D or innovation programs
  • B.S. with 7 years of relevant experience
  • M.S. with 5 years of relevant experience
  • Ph.D. with 3 years of relevant experience
  • Or an equivalent combination of education and experience

Listed via Eurofins · first seen 27 October 2026 · last verified 28 October 2026

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