Senior Scientist in Trace Analysis Mass Spectrometry

Company: AstraZeneca
Apply for the Senior Scientist in Trace Analysis Mass Spectrometry
Location: Macclesfield
Job Description:

Overview

In this role you will develop and apply mass spectrometry methods to quantify trace impurities in complex matrices, supporting development and marketed products. You’ll design separation and sample-prep workflows to enable robust, sensitive assays and investigate unknown impurities to strengthen scientific rationale. Your analyses will inform impurity control strategies, regulatory documentation, and product understanding, collaborating across teams and external partners. This position offers impactful work shaping product quality and patient safety within a cross-functional analytics environment. You will contribute to an evidence-driven culture with emphasis on data integrity and continual

Pay / Benefits

  • flexible working arrangement
  • hybrid work model with three in-office days
  • inclusion and adjustments support
  • collaboration with diverse experts
  • focus on patient impact
  • professional development opportunities

Responsibilities

  • Trace Impurity Quantification: develop, review and apply MS methods to quantify trace components in complex matrices for development and marketed products
  • Separation Science and Sample Preparation: design and optimise chromatographic and sample-prep approaches to resolve low-level analytes with robustness
  • Investigation and Characterisation: investigate unexpected results and unknown impurities, perform targeted characterisation and structure confirmation
  • Data Interpretation and Decision Influence: translate outputs into defensible conclusions to drive impurity control strategies and regulatory documentation
  • Cross-Functional Collaboration and External Oversight: work with project teams and external labs to ensure timely delivery and data integrity
  • Quality, Compliance and Safety: operate to GMP/GLP and data-integrity standards, contribute to inspection-ready documentation
  • Capability Building and Continuous Improvement: share knowledge, mentor colleagues and explore automation and digital tools for efficiency

Key requirements

  • A relevant scientific degree or equivalent with substantial MS and pharmaceutical analysis experience
  • Proven ability to develop, troubleshoot, review and apply MS methods for trace-level quantification
  • Hands-on experience with multiple MS platforms and strong separation-science and sample-prep skills
  • Ability to interpret complex analytical data, draw defensible conclusions and influence across disciplines and external partners
  • Clear communication
  • Cross-functional collaboration
  • Mentoring and capability building
  • Mass spectrometry and data interpretation
  • Chromatography and sample-preparation optimization
  • Method transfer, external analytical collaboration, or regulatory submissions

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Posted: November 1st, 2026