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Senior Bioanalytical Chemist - Scientist II

Saint Charles, MO, us💼 Full-time🗓 2026-06-04 → 2026-07-31

Core

Develops and validates LC-MS methods for ADME/DMPK applications and supports biotherapeutics services in a contract research organization setting.

Role type

Senior Bioanalytical Chemist (Scientist II)

Builds

Production assays and analytical methods for drug discovery clients

Domain

Pharma and Biotech / Drug Discovery / ADME Toxicology

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

LC-MS method development, Mass Spectrometry troubleshooting, HPLC operation, GxP compliance, data QC review, inventory management, regulatory guideline knowledge (FDA/ICH/OECD)

Preferred skills

Liquid handling automation, solid-phase extraction (SPE), high-resolution mass spectrometry instrumentation, small team leadership, project management

Technologies

Sciex, Thermo High Resolution/Accurate Mass Instrumentation, HPLC, Mass Spectrometers

Responsibilities

Develop LC-MS methods for ADME/DMPK, troubleshoot and maintain MS/HPLC units, manage reagent inventory, perform data QC reviews, validate new methods, support study directors, train colleagues

Seniority

Senior, hands-on IC with minimal supervision

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