ERM is seeking a Principal Consultant, Aquatic Resources to join our team in one of our major office locations across Canada (Yellowknife, Vancouver, Calgary or Toronto).  The successful candidate will have experience with aquatic studies in streams, rivers, and lakes involving water quality, sediment quality, and biotic communities (benthic macroinvertebrates, zooplankton, periphyton, and phytoplankton). Marine experience is considered an asset. The scientist will carry out field programs, data analysis, and report writing for water quality and aquatic baseline and monitoring studies, and contribute to data management. The successful candidate will be a member of the Integrated Water Services team in Canada, will interact within a multidisciplinary community of to