💼 Full-Time Position

Principal Scientist - Process Development

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RRxCo.™
📍 deeside, wales, United-Kingdom
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Location
deeside, United-Kingdom
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Posted
June 12, 2026
Type
Full-Time
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Full-Time Opportunity: This is a permanent, full-time position with a competitive package and real career growth potential.

Job Description

We are leading the search for a Principal Scientist to join the Process Development team on behalf of our client, an established CDMO with over 50 years' expertise.


The bioconjugation scientists play a critical role in bridging the gap between small-molecule chemistry and large-molecule biologics, primarily focusing on the development and scale-up of Antibody-Drug Conjugates (ADCs) and other bioconjugates. You will execute and manage the delivery of projects supporting our clients early-stage research and then progress lead candidate into clinical-scale manufacturing, ensuring high-quality drug candidates are ready for the clinic.


  • Process Design & Optimisation: Independently design and execute experiments to develop scalable bioconjugation and purification processes.
  • Scale-up & Tech Transfer: Transitioning processes from bench-top research to larger-scale production while maintaining product quality.
  • Downstream Processing...