Analytical Chemist I — LC-MS/ADME (CRO)

Eurofins DiscoverX; Saint Charles (MO); On-site; USD 65,000 - 90,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Life and disability insurance

401(k) with company match

Paid vacation and holidays

Job summary

Eurofins USA Discovery Services seeks a Scientist I – Analytical Chemist to support contract research activities in ADME/Toxicology. The role requires strong LC-MS/LC-UV expertise and a track record in CRO or industry labs, with adherence to GxP and SOPs.

You will develop analytical methods, troubleshoot instruments, and mentor teammates while contributing to project timelines and data integrity. A full-time position with strong benefits is offered.

Qualifications

• BS/MS/PhD with relevant laboratory experience in analytical chemistry.
• Experience with LC-MS/LC-UV in CRO or industry labs for ADME/DMPK.
• Experience in QA/QMS and regulatory guidelines (FDA/ICH).
• Authorisation to work in the United States without sponsorship.

Responsibilities

• Perform lab work in ADME Toxicology services with potential cross-support.
• Develop LC-MS methods for ADME/DMPK applications.
• Troubleshoot MS and HPLC instruments (Sciex/Waters a plus).
• Prepare reagents, manage buffers, and maintain data quality.
• Support study directors and cross‑functional teams as needed.
• Train colleagues and ensure compliance with SOPs.

Skills

Communication skills

Time management

Problem solving

Team collaboration

Education

Bachelor's degree in Chemistry or related field

Master's degree in Chemistry or related field

PhD with relevant experience

Equivalent education and lab experience

Tools

LC-MS

LC-UV

HPLC

SPE

Job description

Eurofins USA Discovery Services seeks a Scientist I – Analytical Chemist to support contract research activities in ADME/Toxicology. The role requires strong LC-MS/LC-UV expertise and a track record in CRO or industry labs, with adherence to GxP and SOPs.

You will develop analytical methods, troubleshoot instruments, and mentor teammates while contributing to project timelines and data integrity. A full-time position with strong benefits is offered.