All Services Engineering & Architecture Waste water treatment plant designer $15/hr · Starting at $50 New plant design for waste and sewage water plant , plant sales and marketing , valve automation system sales and marketing for oil and gas industries m About $15/hr · Ongoing Download Resume New plant design for waste and sewage water plant , plant sales and marketing , valve automation system sales and marketing for oil and gas industries m Skills & Expertise Computer EngineerDesignMarketingOil and Gas IndustryOLE AutomationSalesSystem Sales 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Sales ExpertsTroubleshooting ExpertsMarketersProduct DevelopersSoftware DevelopersChemical EngineersEngineersProduct Launch ManagersDesignersOil and Gas ExpertsComputer Engineers