Waterworks Maintenance Mechanic/Operator
Listed on 2026-07-05
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Maintenance/Cleaning
Utility Technician, Maintenance Technician / Mechanic
Job Title:
Waterworks Maintenance Mechanic / Operator
Department:
Public Works Department
The City of Saint Charles Public Works Department is currently recruiting for the position of Waterworks Operator. The purpose of this position is to perform a variety of semi-skilled and skilled technical work in the operation & maintenance of water treatment facilities and systems.
Essential Duties and Responsibilities- Operate and maintain all water treatment plant systems, pump stations, generators, gauges, pumps, filters, controls and equipment.
- Collect bacteriological and other samples as required by MDNR.
- Monitor the performance of and operate and maintain all equipment, electrical systems, gauges, and charts in the treatment plant, pump stations, generators, pumps, filters, and other control systems; record data concerning plant operations.
- Chart lab test results for trend analysis and maintain accurate records of analysis and test results; evaluate data and write reports as required.
- Collect samples and identify concentrations of chemical characteristics of water required in accordance with local, state and federal requirements; gather and test water samples for reports as required.
- Perform quality control tests on lab equipment and lab analysis; chart test results for trend analysis; evaluate procedures to assure accuracy of test results.
- Calibrate and modify instrumentation and control equipment including recorders and other water quality monitoring equipment.
- Mandatory attendance and participation in the rotating day & night schedule:
Work shifts: 6:30 AM–6:30 PM, 6:30 PM–6:30 AM, and 4‑hour Friday shift. - Assigned overtime as necessary to cover other shift openings.
- Mathematically proficient in addition, subtraction, multiplication, division, geometry, trigonometry, and calculation of percentages, fractions, decimals, volumes, ratios, etc.
- Receive after‑hour emergency phone calls while on duty and notify appropriate Public Works supervisors, on‑call personnel, and Public Works management.
- High school diploma or G.E.D. supplemented by two (2) years post‑secondary college or technical training in biology, environmental science, chemistry or a closely related field and two (2) years’ experience in a utility, or any combination of education and experience that provides equivalent knowledge, skills and abilities.
- Working knowledge of equipment, facilities, materials, maintenance and operation activities, including laboratory procedures.
- Valid Missouri driver’s license required.
- Department of Natural Resources Class C (B, or
A) Water Treatment Plant Operator Certification preferred. Minimum requirement of Class D Certification within 6 months with ability to obtain Class C or higher certification within 18 months of hire.
- Frequently lift, carry, push, and pull materials, tools, and equipment weighing up to 50 pounds and occasionally up to 100 pounds with assistance or appropriate equipment.
- Perform strenuous manual labor for extended periods of time.
- Walk, stand, bend, stoop, kneel, crouch, crawl, climb, and reach while performing maintenance and repair activities.
- Enter and work within trenches, excavations, vaults, pits, and other confined spaces in accordance with safety regulations.
- Climb ladders, stairs, embankments, and uneven terrain.
- Operate hand tools, power tools, valves, hydrants, pumps, and heavy equipment requiring manual dexterity and hand‑eye coordination.
- Work in awkward positions and confined areas for extended periods.
- Distinguish colors, gauges, warning lights, and utility markings necessary for safe operation and maintenance activities.
- Hear verbal instructions, alarms, and warning signals in noisy environments.
- Maintain balance and coordination while working on wet, slippery, uneven, or elevated surfaces.
- Perform emergency repairs during adverse weather conditions, including extreme heat, cold, rain, snow, and ice.
- Work outdoors for prolonged periods and be exposed to dust, dirt, noise, chemicals, fumes, and other environmental conditions associated with water distribution system maintenance.
- Operate motor vehicles and equipment safely and effectively.
- Wear and utilize required personal protective equipment (PPE), including respiratory protection when necessary.
- Respond to emergency callouts and work extended hours, including nights, weekends, holidays, and overtime as required.
Salary – C Certification: $31.38/hour; B Certification: $32.95/hour; A Certification: $36.24/hour.
Comprehensive, Cost Effective Benefits Package:
Medical, Dental, Voluntary Vision, Life and Disability Insurance; FSA; HSA;
Lagers Pension – L6 Tier and Deferred Compensation program;
Paid Vacation;
Paid Holidays;
Employee Assistance Programs and Educational Benefits.
The City of Saint Charles is an Equal Opportunity Employer and participates in E-Verify.
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