We are seeking a hands-on Senior Engineer/Scientist with experience in downstream purification and process development for biologics, antibody conjugates, and gene therapy products. The ideal candidate will execute purification studies, operate AKTA chromatography systems, perform analytical testing (ELISA, HPLC/UPLC), and support process characterization, scale-up, tech transfer, and manufacturing readiness. This role requires strong laboratory expertise, cross-functional collaboration, and exc