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Water Treatment Plant Operator

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: City of St. Louis
Full Time position
Listed on 2026-01-07
Job specializations:
  • Engineering
    Environmental Engineer, Environmental Compliance
Salary/Wage Range or Industry Benchmark: 4548 - 4666 USD Monthly USD 4548.00 4666.00 MONTH
Job Description & How to Apply Below
Location: St. Louis

Water Treatment Plant Operator

Position at City of St. Louis located in the Water Division – St. Louis, MO.

Base pay range: $26.00/hr - $2,/hr
. Salary: $4,548.60 - $4,666.34
.

Essential Functions and Responsibilities
  • Assist in the operation of a water treatment facility.
  • Perform tasks related to water treatment processes and equipment monitoring.
  • Ensure compliance with state and federal regulations.
  • Maintain accuracy in operating records.
Knowledge, Skills, and Abilities
  • Knowledge of water treatment processes.
  • Ability to interpret operating data.
  • Strong attention to detail.
Other Requirements
  • An Associate’s degree in Engineering, Environmental or Industrial Technologies, Building Maintenance or a related field; or at least one year experience assisting in the operation of a water treatment facility.
  • Must obtain Missouri Public Drinking Water Treatment System Operator Certification (Class

    D) by completion of the working test period.
  • Must possess and maintain a valid Missouri driver’s license while employed.
  • Must present a valid driver’s license at the time of filing and upon request.
  • Background investigation required (pass/fail).
  • Documentation of academic credentials must be submitted upon request.
Scoring Components and Their Weights

Experience and Training: 100%.

Veterans Preference

To be eligible, submit DD‑214 certificate.

City Residence Preference

City residents receive additional points.

Accommodations

Contact the Office on the Disabled for assistance with the application process.

Seniority Level
  • Entry level
Employment Type
  • Full-time
Job Function
  • Architecture and Planning
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