Solids System Operator

Solid System Operator

General Statement of Duties: To perform technical and semi‑skilled work in a wastewater treatment plant (WWTP). Operate and maintain equipment for handling, dewatering, and storing residuals, and apply biosolids for agricultural use. Perform laboratory analysis, maintain records, and operate the biosolids handling process.

• Monitor charts, meters, gauges, alarms, and other instruments to determine the condition and efficiency of sludge feed systems, thickening operations, storage operations, chemical feed systems, odor control operations, and other equipment.
• Operate and perform routine and preventative maintenance on equipment used in residuals dewatering and biosolids handling.
• Determine chemical feed rates based upon residual flows, percent solids, temperature, and other factors.
• Operate and maintain a wide variety of pumps, motors, fans, compressors, augers, thickeners, chemical mixing and transport systems, and other equipment in a WWTP.
• Operate, maintain, and perform routine analysis of a lime mixing and delivery system.
• Operate, maintain, and perform routine analysis of a polymer mixing system.
• Operate limited preventive maintenance on a 100,000 GVW semi‑tractor and trailer.
• Operate, maintain, start‑up, shutdown, and oversee the operation of a sludge thickening system by adding polymer and maintaining adequate pH levels by lime addition to achieve permit limits.
• Monitor biosolids batch transfers and tank capacities.
• Operate and perform routine and preventative maintenance on a T‑270 New Holland tractor with pull‑behind tank and attached subsurface soil injector.
• Assist the maintenance department in plant projects, cleaning, yard work, snow removal, confined space entries, and lift station maintenance as needed.
• Assist the maintenance department in the event of a power failure or emergency.
• Assemble and process data using hourly, daily, weekly, and/or monthly reports.

• Knowledge of WWTP operations, equipment, and processes.
• Ability to follow complex oral and written instructions and map directions for field sites.
• Ability to work in confined spaces, indoors and outdoors, all weather, and lift up to 60 pounds.
• Heavy‑equipment operation in rough terrain, heat, and dust.
• Maintenance skills for pumps, conveyors, chemical feed systems, dust collectors, and other equipment.
• Mechanical aptitude for grease, oil changes, and troubleshooting equipment.
• Accurate logging, record keeping, and laboratory analysis.
• Safe operation of a semi‑tanker and specialized agricultural injection equipment.
• Ability to work a rotating shift schedule.

• High school graduation.
• Experience operating and maintaining WWTP equipment or similar.
• Valid Michigan Operator’s License and Commercial Driver License (Group A/Air) with “N” endorsement.
• Clean driving record.
• 1 year driving a semi‑tractor trailer 26,001+ GVW.

Salary Range: $22.66 – $28.33 per hour

• Paid vacation, sick leave, and holidays.
• BCBS PPO Healthcare;
  Delta Dental; life and optical insurance.
• Disability income plan.
• MERS Defined Contribution Plus Qualified Retirement Program.
• 457 deferred compensation plan.
• MERS Healthcare savings plan.