Principal Scientist I** - PhD < 1 year experience; MS with 3+ years; BS with 7+ years + **Principal Scientist II** - PhD > 1 year experience; MS with 5+ years; BS with 10+ years + **Principal Scientist III** - PhD with 3+ years of experience, MS with 7+ years; BS with 12+ years **Required Skills and Experience** + Experience in semi-preparative/preparative chromatographic purification from recent industry experience + Background in the separation of multicomponent mixtures + Strong laboratory skills, chromatographic skills, and wet chemistry skills + Strong technical problem-solving skills + Excellent verbal and written communication skills **About Parexel** Parexel FSP includes the CMC Operations group. For results-driven and caring individuals who want to make a meaningful difference in the world, Parexel is trusted by life sciences companies to meet their long-term staffing needs for scientists and engineers and related professionals in discovery and development of novel therapies, keeping patients at the center of everything we do, and where an inclusive community helps you be your best, transforming any career into a life-changing achievement.