li>Ability to serve as a competent technical resource on Water and Wastewater System Planning matters including capital planning, safe yield analysis, demand/load projections, treatment adequacy, collection, transmission and distribution adequacy, computerized hydraulic modeling and analysis, water conservation, regionalization. The Principal, Engineering Planning is responsible for strategic long-term water and wastewater system planning and recommending projects or approaches to address complex issues related to source of supply, treatment, storage, pumping and transmission of water and wastewater.