Design process piping systems and mechanical equipment layouts for water and wastewater treatment facilities. Produce 3D models, orthographic drawings, piping plans, equipment layouts, and installation details using CAD tools. Incorporate field walkdown observations, apply engineering markups, coordinate with multidisciplinary teams, resolve routine design conflicts, and support site work that may involve international travel. The role also includes progressing toward independent completion of small design packages and mentoring or reviewing junior designers’ work.