Job Title: Principal Bioanalytical Scientist (Small Molecule Bioanalysis) Location: Manchester Company: A leading Bioanalytical CRO Employment Type: Full-time, Permanent About the Company Our client is a well-established bioanalytical Contract Research Organization (CRO) supporting pharmaceutical and biotechnology partners in drug discovery and development. The principal bioanalytical scientist will be a specialist in LC-MS/MS bioanalysis, providing high-quality analytical services for small molecules, peptides, and biotherapeutics across all stages of development. This is a senior technical position focused on LC-MS/MS method development, validation, and scientific oversight of bioanalytical studies and teams. The client has already got career development paths in place to support progression into senior management positions. Key Responsibilities * Lead LC-MS/MS method development and validation for quantitative bioanalysis of small molecules in biological matrices (e.g., plasma, serum, urine, tissues). * Serve as technical lead for multiple client studies, overseeing project design, troubleshooting, and scientific interpretation. * Provide expert input on bioanalytical strategy, assay design, and regulatory compliance (FDA/EMA guidelines). * Communicate effectively with clients to explain methods, justify scientific approaches, and provide project updates. * Support technical proposal writing and contribute ...