All Services Other Process/proposal engineer $15/hr · Starting at $25 I have 17 years of experience in different fields of water and wastewater treatment plant design, engineering,cost estimation,scheme selection and offer making. About $15/hr · Ongoing Download Resume I have 17 years of experience in different fields of water and wastewater treatment plant design, engineering,cost estimation,scheme selection and offer making. Skills & Expertise DesignEngineeringEstimationPlant DesignProcess DesignProposal WritingScheme 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Proposal WritersEstimatorsDesignersEngineersDrawing ArtistsProcess DesignersFreelance Writers