Responsibilities:Lead process mechanical design for large groundwater and wastewater treatment projects.Develop functional, constructable process mechanical designs, including P&IDs, process flow diagrams, equipment/piping layouts, and piping isometrics.Develop 3D models, plans, specifications, equipment data sheets, and technical documentation; AutoCAD Plant 3D, Revit MEP, and hydraulic/pipe stress software experience preferred.Prepare Basis of Design reports, process control narratives, technical specifications, and other technical documents.Serve as a mechanical/process or technical lead on large, multidisciplinary projects; experience with commissioning and long-term plant operations is a plus.