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Senior Scientist Mass Spectrometrist

United States - Connecticut - Groton💼 Full-time💰 $93,600–$93,600🗓 2026-08-04 → 2026-09-26

Core

Elucidate chemical structures and solve scientific questions for small molecules and peptides using high-resolution mass spectrometry tools within the pharmaceutical development continuum.

Role type

Senior Scientist Mass Spectrometrist (Structure Elucidation)

Builds

Characterization of drug candidates, degradation products, and impurities for Pfizer's portfolio.

Domain

Pharmaceutical Sciences / Synthetic Molecule Division / Mass Spectrometry

Deliverable

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

Required skills

Mass spectrometry theory and applications, structure elucidation of small molecules and peptides, organic chemistry fundamentals, HRMS systems operation (Thermo Orbitrap), MS data analysis software proficiency (Thermo Freestyle, ACD/Labs, BioPharma Finder, Protein Metrics), independent problem-solving and research

Preferred skills

Peptide/proteomics experience, knowledge of ionization sources and mass analyzers, understanding of ionization-induced fragmentation mechanisms, experience with Thermo and Bruker systems, familiarity with MS processing software (Xcalibur, DataAnalysis, Masslynx)

Responsibilities

Elucidate chemical structures using high resolution mass spectrometry, collaborate with diverse scientific disciplines (NMR, purification, analytical chemistry), provide technical and strategic input for deliverables, investigate innovative scientific approaches to MS support, utilize digital tools to enhance workflows, write technical documents, publish and present externally

Seniority

Senior, hands-on IC

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