Water Treatment Plant Operator II

City of Dayton Department of Water; Water; On-site; GBP 27,000 - 35,000; Full time

Job summary

The City of Dayton Department of Water is seeking a Water Treatment Plant Operator II to lead a crew and operate the treatment plant to produce safe drinking water in compliance with regulatory standards.

You will monitor chemical feeding, collect samples, and log SCADA data, performing routine maintenance on pumps and equipment as needed.

Qualifications

• High school diploma or G.E.D. required.
• Must have 12 months of hands-on experience in water supply and treatment or related operations.
• Must possess Ohio EPA Water Supply I certification at appointment and work toward Water Supply II within 18 months.
• Must obtain interim Ohio EPA Laboratory Operational certification within 3 months of appointment and pass the certification survey within 12 months.

Responsibilities

• Leads a crew in the operation of a water treatment plant and is responsible for processing water to ensure it is stable, potable, and compliant with regulatory standards.
• Ensures chemical feeding and mixing mechanisms operate correctly.
• Collects and analyzes water samples and reads and logs data from SCADA.
• Performs minor repairs and/or maintenance on pumps and related equipment.

Skills

Team leadership

SCADA data logging

Water treatment operations

Chemical handling

Education

High school diploma

Tools

SCADA systems

Lab testing equipment

Job description

Water Treatment Plant Operator II

Recruitment #26-5033-006

Date Opened 10/5/2026 09:00:00 AM Close Date 11/1/2026 11:59:00 PM

Salary $29.66 per hour (Grade 124)

Department Water

Job Type Promotional and Open Competitive

Examination Date

Week of November 16, 2026

Civil Service Board Office

371 West Second Street, Lower Level

Dayton, Ohio 45402

Certified candidates will be sent an email containing specific exam details at a later date.

Responsibilities

Works with a crew as a leader in the operation of a water treatment plant; responsible for processing water to make it stable, potable and in compliance with regulatory standards. Ensures that chemical feeding and mixing mechanisms are operating correctly, collects and analyzes water samples and reads and logs data from SCADA. Performs minor repairs and/or maintenance on pumps and related equipment.

Minimum Qualifications Education

Graduation from high school (or G.E.D.).

Experience

Must have 12 months of actual hands-on experience in the specific operation and maintenance of Water Supply and Treatment or Wastewater Treatment equipment in one or more of the following area(s): daily plant operations, daily plant maintenance, plant laboratory work, sludge handling, military experience in potable water/wastewater treatment, troubleshooting plant operations, and/or industrial pre-treatment.

Certifications

AT TIME OF APPOINTMENT, must possess and maintain an Ohio EPA Water Supply I certification until an Ohio EPA Water Supply II certification is obtained.

• Must obtain an interim Ohio EPA Laboratory Operational certification within 3 months of appointment.
• Must pass the Ohio EPA Laboratory Operational certification survey within 12 months of appointment.
• Must obtain an Ohio EPA Water Class II certification within 18 months of appointment.

License Requirements

Must possess a valid driver’s license at time of appointment and maintain thereafter as a term and condition of continued employment.

Promotional Qualifications

Must be a full-time permanent or part-time permanent employee in pay grade 123 (Wage) or below, pay grade 29 (Clerical) or below, or equivalent, and been employed for 6 consecutive months by the City of Dayton in a classified Civil Service position. Identical scores will be broken by (1) seniority and (2) random selection method.

Open Competitive Applicants

Final appointment is contingent upon the applicant passing a job-related medical examination and providing documentary evidence of Employment Authorization and Identity. Identical scores will be broken by a random selection method.

Notes

Examination dates and times are subject to change. Calculators will be provided for the Civil Service examination. Applicants appearing on the Promotional eligible list shall be considered for appointment prior to those on the Open Competitive list. Applicants are responsible for providing all necessary employment dates, experience, training, or any other requirements as stated in the Exam Announcement, in order for their application to be considered for certification and admittance to the examination process.

Background Check

A background investigation is required prior to employment. All candidates must pass any level of background investigation applicable to the position, including current city employees seeking transfer, promotion, demotion, etc. into a classified position.

Drug and Nicotine Testing

Final appointment is contingent upon the applicant passing a drug screen. Applicants offered employment with the City will be required to pass a nicotine screening. Newly hired employees must remain tobacco and nicotine free as a condition of continued employment. The Tobacco and Nicotine Free Hiring Policy does not apply to current City employees.