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Scientist / Senior Scientist

Location San Francisco, California, United States South San Francisco, California, United States Job ID R-107866 Date posted 12/05/2021

At AstraZeneca, we win through science, it’s at the heart of our every success. That science is only possible when we all work together – we’ll always make sure you’re clear about how your role is connected to our wider mission to really show what science can do!

We are seeking a Scientist/Senior Scientist to join Integrated Bioanalysis organization to support GXP bioanalysis validation and biomarker quantification as well as pharmacokinetic/toxicokinetic assessments for critical projects within AstraZeneca portfolio employing liquid chromatography-mass spectrometry-based approaches within the context of non-clinical and clinical studies.

Your primary responsibilities will include:

  • Apply state-of-the-art mass spectrometry instrumentation to address sophisticated bioanalytical challenges related to drug discovery and development

  • Development, validation/qualification of LC-MS assays in support of pharmacokinetic (PK), toxicokinetic (TK), Biomarker Quantification in variety of biological matrices

  • Sample analysis for exploratory, GLP and clinical studies using automated and manual sample extraction platforms

  • Perform data analysis on acquired datasets, collaborate with pharmacologists, statisticians, data scientists across global AstraZeneca teams

  • Serve as bioanalytical expert on multidisciplinary project teams

  • Adhere to established Standard Operating Procedures, industry practice and regulatory guidance as appropriate

  • Contribute to validation/qualification protocols and reports, bioanalytical reports, clinical study reports, etc., as appropriate

  • Demonstrate competency in troubleshooting, optimization and implementation of challenging and innovative LC-MS/MS assays

Essential Requirements:

For Scientist:

  • PhD in Chemistry, Biochemistry or relevant scientific field

  • M.S. in Chemistry, Biochemistry or relevant scientific field with 4+ years of industry experience

  • Some background in analytical (bio)chemistry with emphasis on mass spectrometry applications in at least one of the following: PK of biologics (preferably ADCs), biomarker quantification, relative quantification for impurities/protein PTM.

  • Hands-on experience with quantification of protein/peptide by LC-MS.

  • Familiarity with triple quadrupole MS instruments and ESI.

  • Familiarity with mass spectrometry software, word/excel processing.

  • Documentation and technical writing skills.

  • The ability to learn new technologies quickly.

  • The ability to perform in a fast-paced, matrix-structured work environment.

For Senior Scientist:

  • PhD in Chemistry, Biochemistry or relevant scientific field

  • 2-5 years of postdoctoral or equivalent experience

  • Background in analytical (bio)chemistry with emphasis on mass spectrometry applications in at least one of the following: PK of biologics (ADCs or Proteins), biomarker quantification, characterization and relative quantification for impurities/protein PTM

  • Hands-on experience with chromatographic separation, characterization and quantification of various analytes by LCMS.

  • Familiarity with triple quadrupole mass spectrometry instruments, experience with high resolution (HRMS, ToF or Orbitrap) is a plus;

  • Proficiency with mass spectrometry software, data analysis software (Spotfire, R, MATLAB, JMP, etc.) word processing, and graphical computer programs

  • Excellent organizational,  documentation and technical writing skills

  • Excellent command of English (written and oral)

  • Strong communication and interpersonal skills

  • The ability to perform in a fast-paced, matrix-structured work environment.

Desirable Requirements

  • Pharmaceutical/biotech Industry experience

  • Familiarity with chromatographic assay validation guidelines, GLP/GXP regulations and fit-for-purpose validation principles

  • Experience working in GLP-like/GLP/GMP settings

  • Hands on experience with Sciex MS systems

  • Hands on experience with reverse phase liquid chromatography (RPLC)

  • Experience with protein labelling/LBA assay/magnetic bead based purification

  • Experience with automated/semi-automated sample preparation

  • Protein/ADC/macromolecule mass spectrometry experience

  • Experience in bioanalysis/characterization of antibody-drug conjugates


AstraZeneca is a leading company in the healthcare industry, with a mission to enrich the lives of others. It’s our business to support healthy living, not only for our patients, but also for our employees. Our benefits program is flexible enough to meet employees’ varying needs, offers valuable choices, and is highly competitive.

Why AstraZeneca?

At AstraZeneca when we see an opportunity for change, we seize it and make it happen, because any opportunity no matter how small, can be the start of something big. Delivering life-changing medicines is about being entrepreneurial - finding those moments and recognising their potential. Join us on our journey of building a new kind of organisation to reset expectations of what a bio-pharmaceutical company can be. This means we’re opening new ways to work, pioneering cutting edge methods and bringing unexpected teams together.

Come and join our journey -  Apply today!

Where can I find out more?

Our Social Media, Follow AstraZeneca on LinkedIn

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AstraZeneca embraces diversity and equality of opportunity. We are committed to building an inclusive and diverse team representing all backgrounds, with as wide a range of perspectives as possible, and harnessing industry-leading skills. We believe that the more inclusive we are, the better our work will be. We welcome and consider applications to join our team from all qualified candidates, regardless of their characteristics. We comply with all applicable laws and regulations on non-discrimination in employment (and recruitment), as well as work authorisation and employment eligibility verification requirements.

50056732 D SCGE R&D BioPharmaceuticals

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