Analytical chemistry engineer - mass spectrometry

As part of a major expansion of our laboratories, we're looking ahead and recruiting an Analytical Chemistry Engineer specialised in Mass Spectrometry to join un by mid-2026. In this role, you'll play a key part in accelerating the development of innovative medicines by ensuring the accurate characterisation of complex biotherapeutics.

You'll join a team of six passionate scientists, working closely with a Technical Leader and contributing to projects that span from early development to clinical and commercial phases. Your expertise will help shape the future of therapies for patients worldwide.

• Applying and adapting analytical methods to characterise biotherapeutic products such as monoclonal antibodies, proteins, peptides, oligonucleotides and viral vectors
• Preparing samples and performing analyses using state-of-the-art equipment (e.g., Xevo G2 XS QTOF, Bio Accord TOF, Autoflex MALDI-TOF)
• Processing data, interpreting results, and drawing clear conclusions
• Developing new analytical approaches and optimising existing protocols
• Writing analytical reports and related documentation with precision and clarity

To succeed in this role, you'll demonstrate:

• Strong scientific background with specialisation in mass spectrometry and/or biotherapeutic characterisation
• Solid experience (minimum 5 years) in a GMP or regulated environment
• Knowledge of biotherapeutic products (mAbs, proteins, peptides) for analytical purposes
• Proficiency in liquid chromatography ((U)
  HPLC)
• Familiarity with Waters equipment and associated software (Empower, Unifi)

Join us and make a real impact on patients’ lives while growing your career in a supportive, innovative environment.

• A competitive salary package and attractive extra-legal benefits (meal vouchers, hospitalisation and outpatient care insurance, group insurance, bonus scheme)
• A tailored onboarding and training programme to boost your expertise and career progression
• Opportunities for internal mobility and promotion – in 2024 alone, 30 colleagues advanced their careers with us
• A workplace that values well-being: team-building events, after works, sports and leisure activities, family-friendly gatherings, and more
• Everyday perks that make a difference: free fitness classes, fresh fruit, up to four car washes per year and practical services like lunch delivery

Quality Assistance is a leading Belgian analytical CRO supporting the pharmaceutical industry in developing and commercialising innovative medicines. From early screening to registration, we deliver tailored analytical solutions that ensure safety, efficacy and quality.

With over 40 years of expertise, 270 highly skilled professionals and cutting-edge technologies, we operate from a single GMP-compliant site in Donstiennes, Belgium. Our mission is clear: shaping the future of medicine – faster, smarter, together.