| Location | Marietta, GA |
| Salary | $18.95–$24.16 Per Hour |
WRF Operator Trainee
Salary
$18.95 - $24.16 Hourly
Location
Water Department Marietta, GA
Job Type
Full-Time
Job Number
05303
Department
Water
Opening Date
11/03/2026
Closing Date
11/18/2026 11:59 PM Eastern
Grade Code
103
Skills Testing Information
If selected to move forward in the hiring process, an entry level written exam will be required for this position. In order to continue in the hiring process, you must obtain a passing score on the exam. Candidates who currently possess a State Wastewater Operator Certificate will not be required to take the exam; however, you must attach a copy of your certification when you submit your application.
Position Information
These positions are vital to the daily operations of the Water System as they perform skilled technical work to operate, control and maintain operational process controls, checks system components; identify any problems and makes necessary adjustments; ensure continuous and effective operations at the Water Reclamation Facility in order to maintain compliance with applicable local, state and federal environmental rules and regulations.
There are vacancies available at the following locations: South Cobb WRF 545 Rowland Rd, #499, Austell, GA 30168, Northwest WRF 3740 Old 41 Highway N.W. Kennesaw, GA 30144 or Noonday WRF, 415 Shallowford Rd, Kennesaw, GA 30144.
This position requires completing and passing an entry-level written exam. The written exam information and link will be sent via email to applicants who have successfully met the qualifications for this position after the closing date of this job announcement. Failure to complete the exam will disqualify you from consideration for this position. Candidates who currently possess a State Wastewater Operator Certificate will not be required to take the exam; however, you must attach a copy of your certification when you submit your application. The assessment will close on Wednesday, November 25th, 2026, at 11:59 pm.
Essential Functions
Operates a water reclamation facility: monitors plant operations and processes; checks system components; identifies any problems and makes necessary adjustments; ensures continuous and effective operation; and maintains compliance with applicable local, state and federal regulations, standards and guidelines.
Monitors chemical feeds and distribution, flow rates, and related treatment processes: maintains appropriate chemical levels; adjusts system controls; adds, adjusts and replaces chemicals in the plants systems and components; and maintains related documentation.
Reads meters, gauges and dials: records readings, chemical levels, wastewater properties and statistical data; and prepares and maintains a variety of logs, records and reports including flowcharts, production reports, well reports and operation logs.
Under close supervision collects and tests water samples: performs all necessary qualitative and quantitative laboratory tests; performs quality control testing; analyzes test results; determines need for treatment process changes; maintains records of findings and sample characteristics; calibrates test equipment; and cleans and maintains laboratory equipment.
Inspects plant systems, facilities and equipment: performs preventive maintenance and repair on the plant equipment, gauges, meters and related systems; repairs system components; changes filters, and other parts; oils and adjusts power driven pumps; checks and fills storage tanks and feeders; cleans equipment; flushes system; makes minor repairs as needed; maintains related documentation; and reports any problems or need for equipment repair.
Prepares or completes plant records, logs, checklists, and other documents as required by local, state, and federal rules and regulations: records and reports process changes, equipment failures, service requests, work orders, and other details; and forwards, retains, or files, as appropriate.
Performs other related duties as assigned.
Minimum Qualifications
High School Diploma or GED required; supplemented by one year of work experience that shows an ability to maintain steady employment in any field.
Licenses and Certifications
Must possess and maintain a valid Drivers License. Must pass Georgia State exam for Wastewater Operator Class III and obtain license within one year of assignment to the position.
Physical Abilities
Tasks require the ability to exert heavy physical effort in heavy work, with greater emphasis on climbing and balancing, but typically also involving some combination of stooping, kneeling, crouching, and crawling, and the lifting, carrying, pushing, and/or pulling of moderately heavy objects and materials (20-50 pounds); may occasionally involve heavier objects and materials (up to 100 pounds).
Sensory Requirements
Some tasks require the ability to perceive and discriminate colors or shades of colors, sounds, odor, and visual cues or signals. Some tasks require the ability to communicate orally.
Environmental Factors
Performance of essential functions may require exposure to adverse environmental conditions, such as dirt, dust, pollen, odors, wetness, humidity, rain, fumes, gases, airborne particles,temperature and noise extremes, machinery, vibrations, electric currents, toxic agents, disease, or pathogenic substances.
EEO Statement
Cobb County Government is proud to be an equal-opportunity employer. We encourage applications from all qualified individuals, regardless of race, color, national origin, sex, religion, age, disability, or any other legally protected status.
Visit Cobb Countys Employee Benefits page to learn more.
01
I understand that all answers to these supplemental questions must be verifiable in the Educational History and Work History sections of the application. Failure to provide sufficient information in these sections may result in my disqualification from the hiring process.
02
I have read the Minimum Qualifications required for this position and understand I must demonstrate those qualifications on the application in order to be considered for this position. Furthermore, a failure to adequately demonstrate all qualifications may result in my removal from consideration. Lastly, I understand indicating "see resume" on the application, may not be accepted in lieu of a completed application.
03
Are you legally eligible to work in the United States on an unlimited and unrestricted basis?
04
Do you now or in the future need an employer to sponsor you for employment authorization of visa status?
05
Educational Background (copies of any education documents listed on your application will be required upon hire): Mark the highest level of education you have completed.
06
If you have a college degree, what was your major area of study? Enter N/A if this does not apply.
07
This position requires certification as a Wastewater Operator Class III within one year of the date of hire. If you currently have a Wastewater Operator Certification, which certificate do you have?
08
If you currently possess a State Wastewater Operator Certificate, what is your certification number? Enter N/A if this does not apply.
09
This position requires shift work and may include nights, weekends and holidays. Do you understand and agree to these terms?
10
Do you have a valid drivers license?
11
This position requires completion of skills testing to move forward in the hiring process.
The skills testing information and link will be sent via email, after the closing date of this job announcement.
Please note, failure to complete the assessment will disqualify you from consideration for this position.
12
If you receive a conditional offer of employment, you will be required to satisfactorily complete the following elements: a criminal background check, a Motor Vehicle Report check (MVR), a physical, a drug screen and provide copies of any education documents listed on your application. Please note that a criminal conviction may not disqualify you from consideration. Are you willing to accept these terms?
Required Question
Employer Cobb County Government
Address 100 Cherokee Street
Suite #200
Marietta, Georgia, 30090
Website http://www.cobbcounty.gov