Primary Purpose: Functions as a senior technical specialist or in a lead role in mechanical design. Works independently and applies advanced engineering techniques and analyses for problems and methods. Responsibilities: . Concept, Functional, Preliminary and detailed design of mechanical process systems for water and wastewater treatment plants, including screening equipment, physical-chemical treatment plants, biological treatment plants, blower equipment, odour control plants, disinfection plants and sludge treatment plants . Concept, Functional, Preliminary and detailed design of various pumping systems for water, wastewater and sludge treatment plants . Concept, Functional, Preliminary and detailed design of ancillary systems including chemical feed systems, mechanical ventilation systems, and drainage systems . Preparation of General Arrangement and equipment layout drawings . Preparation of mechanical process equipment and pump specifications . Mechanical equipment and pipe sizi...