Operation & Maintenance Specialist Ii

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county engineering

july 21, 2026

until filled

$46,916 - $75,000

full-time, 40 hrs/week, non-exempt

• this posting is subject to close without notification*
• this position qualifies for a $6,000.00 sign-on bonus to fully qualified candidates, upon completion of probationary period*
• note: this position requires shift work to provide continual coverage at the triangle wastewater treatment plant. Shift assignments are set to fulfill the needs of the utility and are subject to change or be rotational at the discretion of the utility supervisor.*

the operations & maintenance specialist ii position is responsible for performing, as lead, routine skilled and technical work in the operation of the county-owned triangle wastewater treatment plant (twwtp). This position plays a critical part in ensuring regulatory compliance, system efficiency, and environmental safety. The twwtp is rated for an average daily flow of 12 million gallons per day and is specifically designed to meet future nutrient load requirements for the jordan lake nutrient management strategy.

The twwtp serves the southeast portion of durham county inside and outside the durham city limits and serves the research triangle park within durham county. The collection and treatment of domestic sewage and wastewater is vital to public health and clean water. It is among the most important factors responsible for the general level of good health enjoyed in the united states.

Work is performed under supervision of the utility supervisor of operations according to set procedures and is subject to working rotating shifts to provide continual coverage of the wastewater treatment plant.

for more information about the utilities division at durham county please visit: durham county utilities jobs (dconc.gov)

• monitors and adjust process control parameters of wastewater treatment plant operations through direct observation of field instrumentation and using the scada system.
• adjust valves, gates, and pumps to regulate flow or chemical feed rates.
• observes variations in operating conditions and interprets meter and gauge readings and test results to determine load requirements.
• perform operations to maximize treatment efficiency through influent pumping, primary/secondary treatment, disinfection, and sludge handling.
• maintains accurate records, logs, and reports for regulatory compliance and internal tracking.
• completes minor preventative and corrective maintenance work on all plant equipment.
• collects and analyzes process control samples to ensure proper treatment. Reports those results to management and make needed process changes and/or chemical adjustments.
• serves as backup operator in responsible charge (borc) as needed.
• performs other related duties as assigned.

• general knowledge of the principles, procedures, and techniques used in the operation of wastewater treatment facilities.
• general knowledge of chemical, physical, and bacteriological analyses of wastewater.
• general knowledge of the operation and maintenance of the equipment used in wastewater treatment.
• general knowledge of federal, state, and local laws, ordinances, and regulations related to wastewater treatment and laboratory analyses.
• skilled in…