Wastewater Treatment Plant Operator II - BC-11

County of Hawai`i; Hilo (HI); On-site; USD 60,000 - 90,000; Full time

Job summary

County of Hawai`i seeks qualified personnel to independently operate and maintain wastewater treatment plants and related pumping facilities in Hilo and Kailua-Kona. The role involves monitoring processes, collecting samples, and ensuring regulatory compliance with county, state, and federal requirements.

Responsibilities include routine inspections, equipment maintenance, data recording, and participating in plant improvements.

Responsibilities

• Operates and maintains wastewater treatment plants and tributary pumping plants to ensure safe, effective operation and compliance with regulations.
• Reads and records readings from meters, gauges, and other devices and interprets data to maintain or improve plant operations.
• Inspects plant and equipment for malfunctions and needed repairs.
• Lubricates, changes oil and makes running repairs and adjustments to machinery and equipment.
• Participates in installation, overhaul, and major repair of treatment and pumping plant equipment.
• Drains and cleans settling tanks, clarifiers, chlorinating chambers, digesters, and aeration tanks.
• Maintains sludge digestion systems, dewatering equipment, drying beds, and pulverizers.
• Collects samples of raw, partially treated, and treated wastewater and sludge and performs chemical and physical analyses (pH, BOD, COD, dissolved oxygen, etc.).
• Interprets laboratory results and makes appropriate process adjustments.
• Keeps station logs and prepares operational reports.
• May be assigned to work in other plants for training and development purposes

Job description

Independently operates and maintains one or more Class I, II, III, or IV wastewater treatment plants and lower classed plants, as well as tributary pumping plants; participates in the major overhaul, repair, and installation of treatment and pumping plant equipment; and performs other related duties as required.

This level is characterized by its primary responsibility for operating and being in direct responsible charge of a Class II wastewater treatment plant, as rated by the State Board of Certification of Operating Personnel in Wastewater Treatment Facilities.

There are five (5) immediate vacancies with the Department of Environmental Management - Wastewater Division:

• three (3) permanent full-time vacancies in Hilo
• two (2) permanent full-time vacancies in Kailua-Kona

The eligible list may be used for other permanent and temporary vacancies as they arise during the life of the list. Temporary appointment may lead to conversion to permanent appointment.

Special Working Conditions

Exposure to hazardous, filthy, and/or obnoxious conditions; may also be subject to shift, weekend, and holiday work as required. Applicants must be available for stand‑by duty and be available for immediate response in case of emergency.

• Operates and maintains wastewater treatment and tributary pumping plants to ensure the safe, effective, efficient, and economical use of processes and equipment, and to comply with pertinent County, State, and Federal regulations.
• Operates various equipment to regulate the flow of wastewater, air, and sludge between the unit processes of the plant.
• Reads and records readings from meters, gauges, and other recording devices and interprets data to maintain or improve plant operations.
• Inspects plant and mechanical equipment for malfunctions, irregularities, and needed repairs.
• Lubricates, changes oil and makes running repairs and adjustments to machinery and equipment.
• Participates in the installation, overhaul, and major repair of treatment and pumping plant equipment.
• Drains and cleans settling tanks, clarifiers, chlorinating chambers, digesters, and aeration tanks.
• Maintains sludge digestion systems, dewatering equipment, drying beds, and pulverizers.
• Collects samples of raw, partially treated, and treated wastewater and sludge and performs chemical and physical analyses thereof, including settable solids, settle ability, pH, chlorine residual, B.O.D., C.O.D., dissolved oxygen, and suspended solids.
• Interprets laboratory results and makes appropriate process adjustments.
• Maintains records of test results, data sheets, and reports.
• Paints equipment, buildings, and structures.
• Keeps station logs and prepares operational reports.
• May be assigned to work in other plants for training and development purposes