FIS is a leading Italian company and one of the top players in Europe in the development and production of Active Pharmaceutical Ingredients (APIs) for the global pharmaceutical industry. With three production plants and more than ***** employees, for almost 70 years we have focused on research, quality, and sustainability.We are looking for a Expert in high-pressure chromatography with a strong background in peptide purification and process scale-up. The ideal candidate has several years of hands-on experience developing, optimizing, and implementing robust purification methods from R&D; to large-scale, including GMP manufacturing environments. This role requires deep technical expertise, problem-solving ability, and the capacity to work cross-functionally with R&D;, process development, manufacturing, and quality teams.Scale purification processes from lab to pilot and production scale, ensuring robustness, reproducibility, and regulatory compliance;Implement process control strategies and participate in tech transfer to manufacturing;Support process characterization, validation, and documentation (SOPs, batch records, development reports);Advanced degree (Ph D or MSc) in Chemistry, Analytical Chemistry, Industrial Chemistry, Chemical Engineering, or related disciplines;~Strong knowledge of column chemistry, stationary phases, pressure limits, and peptide behavior under chromatographic conditions;~ Proficiency in chromatographic software and method modeling tools;~ Knowledge of downstream unit operations beyond chromatography (ultrafiltration/diafiltration, lyophilization, crystallization).Industrial experience in peptide therapeutics, CDMO, or specialty chemicals;Ability to design experiments and interpret complex data rapidly;Cross-functional collaboration and mentoring of junior scientists;Quality-minded, detail-oriented, and comfortable in a fast-paced environment.