- J&J Worldwide Services (Stevensville, MD)
- …and impurities. + May operate portable water -purification plant to supply drinking water , and purify wastewater from plant preparatory to pumping water ... **Description** **General Summary** This position controls treatment plant machines and equipment to purify and...+ Must possess or received through reciprocity a current/valid operator 's certificate equivalent to the highest water … more
- Maryland Department of Transportation (Baltimore City County, MD)
- …implementation, and monitoring of environmental compliance plans for air quality, storm water management, wastewater treatment , hazardous waste management, ... monitoring of environmental compliance plans for air quality, storm water management, wastewater treatment , hazardous...duties will be required to possess a motor vehicle operator 's license valid in the State of Maryland. Additional… more