All Services Engineering & Architecture Graduate engineer $8/hr · Starting at $25 Water supply and sewerage system designer. I have experience with hydraulic model of water supply systems. About $8/hr · Ongoing Download Resume Water supply and sewerage system designer. I have experience with hydraulic model of water supply systems. Skills & Expertise EngineeringSystems Engineering 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Engineers