Senior Scientist

Join a premier global life sciences innovator at their cutting‑edge R&D facility in vibrant St. Louis, Missouri. As a Senior Scientist in the Analytical R&D Department, you will deliver critical analytical support to drive next‑generation therapeutics from early development through manufacturing.

location:
St. Louis MO

job type:
Contract

salary: $40-$47 an hour

work hours: 9:00 AM – 5:00 PM

education:
Bachelors Degree

• Lead the design, development, and validation of advanced LC‑MS assays for the quantitation of proteins in complex biological mixtures.
• Perform high‑level structural characterization of large biomolecules, including monoclonal antibodies, multispecifics, and antibody‑drug conjugates (ADCs).
• Prepare complex samples using enzymatic and chemical techniques such as digestion, enrichment, depletion, and labeling.
• Partner cross‑functionally with product development, manufacturing teams, and multidisciplinary project leaders to advance pipeline programs.
• Maintain, calibrate, and troubleshoot high‑resolution and triple quadrupole LC‑MS instrumentation.

• Bachelor of Science in Chemistry or a related scientific discipline.
• Demonstrated hands‑on proficiency with advanced high‑resolution and triple quadrupole LC‑MS platforms.
• Proven expertise in sample preparation methodologies for large biomolecules (digestion, enrichment, depletion, and labeling).
• Strong collaborative and independent problem‑solving capabilities with excellent scientific communication skills.

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Equal Opportunity

Employer:

Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short‑term disability, and a 401K plan (all benefits are based on eligibility).

This posting is open for thirty (30) days.