The Trace Element Analysis Resource (TEAR) is seeking a highly motivated Research Assistant (RA) at the BS or MS level to serve as the primary scientist for quantitative analysis of PFAS in waters, biological tissues and soil using LC-MS/MS in this new service area for the resource. Working with the Director and Lab Manager, the RA will on-board standard EPA methods for PFAS sample preparation and analysis, utilizing a Waters Acquity Premier LC and a Xevo TQ Absolute MS system. The preferred candidate will have a strong understanding of liquid chromatography with mass spectrometry detection, ideally for PFAS analysis, and experience with wet chemistry (e.g. solid phase extractions and other forms of sample purification, concentration, and clean up). An understanding of, and experience with, clean chemistry techniques is also preferred. The applicant must be organized, able to manage multiple projects, make independent decisions, and interface effectively with our highly collaborative team. He/she must also be willing to carry out administrative tasks such as billing, providing quotes to customers and writing new protocols and SOPs as necessary. The RA III will be an integral part of the operations and ultimate success of the TEAR, a fee-for-service core facility dedicated to providing state-of-the-art elemental and environmental services and expertise to Dartmouth faculty and external clients to advance their research goals.