Are you looking for a challenging opportunity that allows you to leverage your technical expertise in Mass Spectrometry? If so, this Senior Scientist – Mass Spectrometry role could be an exciting opportunity to explore.

This role will provide YOU the opportunity to lead key activities to progress YOUR career, these responsibilities include some of the following…

  • Plan, design and execute work/experimental programmes to further the course of Discovery and Development Projects / programmes and enable key decisions, in particular using mass spectrometry (both LC-MS and GC-MS qualitative).
  • Demonstrate a sound practical understanding of mass spectrometry and processes, procedures used in mass spectrometry.
  • Contribute to regulatory dossiers and author/review expert reports.
  • Comply with the requirements of Quality, Safety and GSK policies and procedures and ensure that GSK intellectual property is protected.
  • Ability to contribute to and effectively work within matrix teams and with colleagues in other divisions and also colleagues in same divisions e.g. NMR.
  • Self-motivated flexible approach with good organisational skills and ability to communicate in a scientific manner.
  • Working knowledge of GxP requirements, SOPs and policies.
  • Appropriate knowledge of regulatory requirements as applied to the drug development process.
  • Operational knowledge of laboratory/plant equipment.

Why you? 

Basic Qualifications:

We are looking for professionals with these required skills to achieve our goals: 

  • B.S. in chemistry or related field with +5 years’ experience or M.S. in chemistry or related field
  • Experience in structural identification of small molecules using Mass Spectrometry

Preferred Qualifications:

If you have the following characteristics, it would be a plus: 

  • Knowledge of state-of-the-art high resolution LC-MS (e.g. Q-Tof and Orbitrap) in order to provide key information for projects at all stages of pharmaceutical development (from early phase development to marketed product support).
  • Experience in the structural characterisation/elucidation work of small molecules by mass spectrometry (LC-MS and/or GC-MS) – identification of metabolites/impurities/degradants by mass spectrometric techniques
  • Experience in the development of LC-MS and GC-MS methodology
  • Experience in regulated GxP laboratory is a plus
  • Strong communication and interpersonal skills
  • Knowledge of spectroscopic techniques other than mass spectrometry would be an advantage, e.g. NMR, vibrational spectroscopy

Please use the cover letter to highlight how you meet the competencies for the role. Your cover letter along with your CV will be used to assess your application. Thanks for your interest in this opportunity.

Why GSK? 

Our values and expectationsare at the heart of everything we do and form an important part of our culture. These include Patient focus, Transparency, Respect, Integrity along with Courage, Accountability, Development, and Teamwork. As GSK focuses on our values and expectations and a culture of innovation, performance, and trust, the successful candidate will demonstrate the following capabilities:

  • Operating at pace and agile decision-making – using evidence and applying judgement to balance pace, rigour and risk.
  • Committed to delivering high quality results, overcoming challenges, focusing on what matters, execution.
  • Continuously looking for opportunities to learn, build skills and share learning.
  • Sustaining energy and well-being.
  • Building strong relationships and collaboration, honest and open conversations.
  • Budgeting and cost-consciousness.


If you require an accommodation or other assistance to apply for a job at GSK, please contact the GSK Service Centre at 1-877-694-7547 (US Toll Free) or +1 801 567 5155 (outside US).

GSK is an Equal Opportunity Employer and, in the US, we adhere to Affirmative Action principles. This ensures that all qualified applicants will receive equal consideration for employment without regard to race, color, national origin, religion, sex, pregnancy, marital status, sexual orientation, gender identity/expression, age, disability, genetic information, military service, covered/protected veteran status or any other federal, state or local protected class.

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Please note that if you are a US Licensed Healthcare Professional or Healthcare Professional as defined by the laws of the state issuing your license, GSK may be required to capture and report expenses GSK incurs, on your behalf, in the event you are afforded an interview for employment. This capture of applicable transfers of value is necessary to ensure GSK’s compliance to all federal and state US Transparency requirements. For more information, please visit GSK’s Transparency Reporting For the Record site.


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