WRF Operator Trainee

Cobb County Government • Water Department Marietta, GA

4d • Onsite

About The Position

WRF Operator Trainees perform skilled technical work supporting daily Water System operations at a Water Reclamation Facility (WRF). The role operates, controls, and maintains operational process controls; checks system components; identifies problems and makes necessary adjustments; and helps ensure continuous, effective operations and compliance with applicable local, state, and federal environmental rules and regulations. Vacancies are available at South Cobb WRF in Austell, Northwest WRF in Kennesaw, or Noonday WRF in Kennesaw, Georgia.

Applicants who meet the qualifications must complete and pass an entry-level written exam. Exam information and a link will be emailed after the announcement closes. Failure to complete the exam disqualifies an applicant. Candidates who already hold a State Wastewater Operator Certificate do not need to take the exam but must attach a copy of their certification to their application. The assessment closes November 25, 2026, at 11:59 p.m.

The position requires a high school diploma or GED and one year of work experience demonstrating the ability to maintain steady employment in any field. A valid driver's license is required, and the employee must pass the Georgia State exam for Wastewater Operator Class III and obtain the license within one year of assignment.

Requirements

• High school diploma or GED.
• One year of work experience demonstrating the ability to maintain steady employment in any field.
• Valid driver's license, which must be maintained.
• Pass the Georgia State exam for Wastewater Operator Class III and obtain the license within one year of assignment.
• Complete and pass the entry-level written exam unless currently holding a State Wastewater Operator Certificate; certificate holders must attach a copy of the certification to their application.

Responsibilities

• Operate a water reclamation facility by monitoring plant operations and processes, checking system components, identifying problems, making adjustments, ensuring continuous and effective operation, and maintaining regulatory compliance.
• Monitor chemical feeds and distribution, flow rates, and related treatment processes; maintain appropriate chemical levels; adjust system controls; add, adjust, and replace chemicals; and maintain documentation.
• Read meters, gauges, and dials; record readings, chemical levels, wastewater properties, and statistical data; and prepare and maintain logs, records, and reports.
• Under close supervision, collect and test water samples; conduct qualitative, quantitative, and quality-control tests; analyze results; identify potential treatment-process changes; document findings and sample characteristics; calibrate test equipment; and clean and maintain laboratory equipment.
• Inspect plant systems, facilities, and equipment; perform preventive maintenance and repairs; change filters and other parts; oil and adjust power-driven pumps; check and fill storage tanks and feeders; clean equipment; flush systems; make minor repairs; document maintenance; and report problems or repair needs.
• Prepare or complete plant records, logs, checklists, and other documents required by applicable regulations, including recording and reporting process changes, equipment failures, service requests, and work orders, and forwarding, retaining, or filing documents as appropriate.
• Perform other related duties as assigned.

What This Job Offers

• Job Type: Full-time
• Career Level: Entry Level
• Education Level: High school or GED