Experience:Four (4) years of veriable journey-level Stationary Engineer, Plant Operator and/or Plant Mechanic experience in the operation, maintenance, and repair of a variety of mechanical and electrical pumping, heating, air-conditioning, ventilating, and related plant machinery of wastewater treatment plant; government establishment; hospital; industrial, production, or commercial building; ORCompletion of a recognized four-year Stationary Engineer Apprenticeship Program; ORGraduation from a recognized four-year Maritime Academy with a degree in Engineering or Technology; ORPossession of at least a 3rd Assistant Marine Engineer's License of any unrestricted horsepower (experience as an Oiler or Firetender will not be accepted as qualifying); ORPossession of an FAA Airframe or Power Plant Certicate AND four (4) years of veriable experience in an Airframe or Powerplant mechanic or maintenance technician capacity that utilizes the certicate; AND 2. License and Certification:Possession of a valid driver's license; ANDGrade I or higher California Wastewater Treatment Plant Operator Certificate or Grade I or higher California Water Environment Mechanical Technology Certificate. Performs a variety of manual tasks requiring the handling of equipment exposed to raw sewage; collects and performs simple assessments of raw sewage and chemical samples on prescribed schedule at specific locations by making chemical and physical assessments to assess the efficiency of the treatment processes and to ensure compliance with the NPDES Permit (National Pollution Discharge Elimination System, Permit).Operates, inspects, maintains, overhauls and makes major and minor repairs to wide variety of pumping, heating, ventilating, process machinery and equipment in a wastewater treatment plant or pumping station, including pumps, bar racks, grit collectors, conveyors and washers, chlorinators, evaporators and storage tanks, sludge collectors, drive units, deodorizing equipment and a wide variety of metering and recording devices to assure the safety and efficiency of equipment and facilities; includes lubricating and greasing machinery and equipment; cleaning and maintaining machinery, equipment and facility to ensure safety and equipment reliability.