Senior Scientist, Analytical Chemist

Job overview

The Senior Scientist, Analytical Chemist role is onsite in Saint Charles, MO. Compensation is not specified. Eurofins provides analytical testing services, including product testing and contract research services, to support product safety, quality, and sustainability. The scientist develops and applies analytical methods for project teams and supports laboratory operations, data quality, and service expansion. The role also provides technical leadership and mentorship while helping solve complex analytical and process challenges.

What you'll do

• Develop LC-MS methods for ADME/DMPK and bioanalysis
• develop analytical methods for internal and external project teams
• mentor junior scientists and support daily lab management, equipment management, and planning
• troubleshoot and maintain mass spectrometers and HPLC units
• manage inventory of buffers, reagents, and materials
• identify process improvements
• review data and reports for quality
• support method validation and expansion of services, equipment, and data systems
• may support the Study Director.

What we're looking for

Skills & competencies

senior scientist

analytical chemist

saint charles mo

eurofins

lc-ms

adme/dmpk

bioanalysis

method development

mass spectrometry

hplc

laboratory leadership

monday-friday 8 am-5 pm

Work arrangement

• Weekend coverage required

Benefits & perks

• Medical, dental, and vision options
• life and disability insurance
• 401(k) with company match
• paid vacation and holidays.

Why this role

Requires 5+ years of direct LC-MS experience in a CRO or industry laboratory in relevant areas, method validation experience, and a qualifying combination of degree and experience. Schedule is Monday–Friday, 8 a.m.–5 p.m., with overtime as needed.

About the employer

Eurofins USA Discovery Services is hiring for this role. Industry: Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology). Sector: 54.