A leading bioanalytical services company in the UK is seeking a Principal Scientist I (Mass Spectrometry) to drive strategic growth in their mass spectrometry group. The role involves leading initiatives, mentoring junior staff, and expanding capabilities while supporting business development. The ideal candidate will have a PhD or relevant MSc/BSc and extensive experience in developing bioanalytical assays with LC-MS. Excellent leadership, project management, and communication skills in English are essential for this position. #J-18808-Ljbffr