Mass Spectrometry Protein Characterisation Specialist (H/F/X)

February 24th 2021

Quality Assistance is a leading European Contract Research Organisation providing the pharmaceutical industry with all the analytical services required by EMA and FDA regulations for the development and marketing of innovative human medicinal products. We assist our clients from candidate selection, through non-clinical and clinical studies, to marketing authorisation, using our state-of-the-art, product-dedicated expertise in analytical sciences. For each customer and each project, we design customised solutions, define analytical protocols, develop and validate specific new analytical methods and perform characterisation, stability, pharmacokinetic, biomarker and immunogenicity studies as well as batch release testing, in order to evaluate the Quality, Safety and Efficacy of the given drugs. The company holds a unique position on the market with all its laboratories on one site, 190 highly qualified professionals and over 35 years’ expertise at the forefront of analytical sciences. The Quality Assistance environment is GMP, GLP and GCLP/GCP compliant

Mission Description

To face our constant growth, we are currently actively looking for a Mass Spectrometry protein characterisation specialist
You will be requested to work on projects for the characterisation and quality control of Biomolecules


You will report to the Technical Leader.

You will be part of a team of 6 people.

In this role, you will be accountable for:

  • Performing daily laboratory activities related to method development, validation and application depending on the client project

- Performing analyses
- Processing data
- Writing reports and associated supporting documents
- Presenting/discussing results

  • Applying methods for QC and stability studies

After a training period, depending on your level of experience and autonomy, you could also be accountable for

  • Validating raw data
  • Training team members and others on technical skills
  • Taking part in the writing/preparation of protocols
  • Supporting audits and investigations

Candidate profile

You have a scientific background with specialisation in mass spectrometry and separation techniques

  • Working experience in development, validation and/or application of analytical methods applied to large molecules
  • Very good knowledge of analysis of peptides/proteins/mAbs by High Resolution Mass Spectrometry on Q-TOF
  • Good knowledge of (U)HPLC
  • Working experience in a regulated environment
  • Very good level of French and English (writing scientific documents, reports, protocols and mails)


  • Working experience in a GMP environment
  • Technical knowledge of Maldi-TOF, Circular Dichroism, MALS (SEC and A4F)


Why join Quality Assistance ?

  • We are a true career partner.
  • We accelerate people’s access to new medicines.
  • We offer an inspiring work-life balance in a human scale environment.
  • We care about mutual respect, assistance and communication.
  • We listen to your needs and your suggestions.
  • We offer a market-competitive remuneration package including numerous fringe benefits. You will also be provided with a company car

Contact Details

Send your application (reference JOB244) now to Mrs Isabelle Lebrun, Talent Acquisition Manager, to or consult the Careers page on our website

Address: Technoparc de Thudinie 2, 6536 Donstiennes, Belgium