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WW Treatment Plant Operator - Mallard Creek #2309-151010-01

Date Opened
Friday, September 08, 2023 9:30 AM
Close Date
Sunday, September 24, 2023 11:59 PM
Charlotte Water
  • $42,218.00 to $59,407.00/year - Commensurate with level of certification
Employment Type
  • Full Time


Charlotte’s local government, with more than 7,000 employees and a $2.39 billion budget, works hard to ensure that the community will be a winning city for everyone – a truly remarkable place to live, work, learn and play.

Charlotte Water is an enterprise department of the City of Charlotte and one of the largest public water and sewer service providers in the southeast with 300,000 customer accounts and over 1000 employees. Our service area includes the City of Charlotte, Mecklenburg County and the towns of Huntersville, Cornelius, Davidson, Mint Hill, Matthews and Pineville. Charlotte Water’s FY 23 budget is $535M and a five-year capital program of $2.5 billion.  We enjoy the highest credit ratings from all three major credit rating agencies as a result of sound financial planning and management and strong support from our City Council.  We value competent, skilled candidates with a customer service focus to work in a team environment.


The City of Charlotte is the largest municipality in North Carolina and the 15th largest city in the United States, with a total population of more than 897,000 citizens. A major commerce center, Charlotte hosts several of the nation’s largest banks and technology companies.

Also known as the Queen City, Charlotte is home to the Carolina Panthers, the Charlotte Hornets and the NASCAR Hall of Fame. We work hard to ensure that the community will be a winning city for everyone – a truly remarkable place to live, work, learn and play. Join us in helping to keep our City thriving, ensuring upward mobility and advancement in the workplace.


This position performs the duties of Plant Operator at the Mallard Creek Wastewater Treatment Plant. 


A Plant Operator will perform duties critical to the operation of a 13.1 million gallon a day wastewater treatment plant. These duties include monitoring equipment and processes for proper operations, troubleshooting and resolving issues with plant equipment, conducting testing and analysis of samples, endeavoring to keep the wastewater plant operating at optimum levels, communicating any potential issues to supervisory staff, providing technical assistance to other employees, following safety rules and protocols, performing audits, and maintaining records.

This position will be on Night Shift, often working 12-hour days from 6pm-6am. It will be a rotating schedule which will require the Operator to work every other weekend and some holidays. 

New hire training may occur on different shifts than the permanently assigned shift.

Major Duties and Responsibilities

Observes/reports on facility conditions and operations.
Uses biological/chemical parameters to analyze overall wastewater treatment plant operations, reports anomalies. 
Performs process control activities by collecting, testing, and analyzing process control samples, inputting operational data into computer software, analyzing biological bacteria, conducting settle ability tests, collecting composite samples, monitoring sludge blanket levels, calibrating and monitoring automatic samplers for permit compliance, and running additional tests as needed to ensure proper process control.
Monitors SCADA computer workstations for plant equipment and process conditions.
Maintains flows and loading by continuously monitoring dissolved oxygen, returns activated sludge rates, ammonia levels, suspended solids levels, alkalinity chemical levels, wasting rates, flows, digester temperatures and levels, chemical feed rates and tank levels, methane gas pressures and flows, and other process indicators.
Performs laboratory analysis on wastewater samples to recommend/implement operational changes.
Maintains facility equipment and housekeeping in assigned areas.
Operates various types of pumping systems, clarifier equipment, aeration equipment, sand filters, and other plant equipment.
Inspects a wide range of various wastewater equipment for noise, vibration, and any abnormal operating characteristics; performs minor maintenance and preventive maintenance tasks; and completes rounds and records operational data. 
Briefs other operators at shift change; assists maintenance staff with shut down and startup of equipment.
Updates database information. Collects data and maintains records.
Manages bulk chemicals onsite, communicates with chemical vendors and orders and accepts chemical deliveries.
Assists visitors and contractors.
Conducts internal audits and assists with external audits for International Organization for Standardization (ISO) compliance.
Conducts plant tours.
Assists in training new employees.
Performs other related job duties as assigned.

Knowledge, Skills & Abilities

Knowledge of the science of wastewater treatment including biological and chemical processes.
Skill in communicating, both verbally and in writing.
Skill in basic math.
Skill in using computers and job-related software.

The work is medium work and requires applying 30 pounds of force frequently and exerting up to 50 pounds of force occasionally to move objects. Additionally, the following physical abilities are required: balancing, climbing, crouching, feeling, manual dexterity, grasping, handling, perceiving sounds at normal speaking levels, distinguishing among sounds, hearing, kneeling, lifting, mental acuity, pulling, pushing, reaching, repetitive motion, speaking, standing, stooping, talking, expressing ideas by spoken word, shouting above noises, visual acuity in data/color/observations/equipment/inspections, and walking. The operation of small hand tools to perform light maintenance on equipment will occasionally be required. 

Work is performed in an industrial environment with heavy equipment and machinery that could result in bodily harm to co-workers or others.  Requires working indoors/outdoors during inclement weather, around chemicals, solvents, and dust in a plant treating and processing domestic wastewater. The Plant Operator will be expected to work weekends and holidays as assigned.

Preferred Qualification

Having one of the following certifications is preferred:
NC Grade I Wastewater Operator Certification  
NC Grade II Wastewater Operator Certification  
NC Grade III Wastewater Operator Certification  
NC Grade IV Wastewater Operator Certification

Desires NC Water Pollution Control System Operator Certification
One to four years of related work experience in a wastewater treatment plant environment.

Minimum Qualifications

High school diploma or GED from an accredited school.

Licenses, Certifications or Registrations: 

Requires NC Grade I Wastewater Operator Certification (or obtain within one year of hire).

Requires NC Grade II Wastewater Operator Certification (or obtain within two years of hire).

Requires NC Grade III Wastewater Operator Certification (or obtain within four years of hire).

Requires NC Grade IV Wastewater Operator Certification (or obtain within six years of hire).


Compensation commensurate with level of Certification ranging from $42,218 to $59,407

NC Grade I   Wastewater Operator Certification – $42,218
NC Grade II Wastewater Operator Certification –  $48,873
NC Grade III Wastewater Operator Certification – $53,883
NC Grade IV Wastewater Operator Certification – $59,407

Conditions of Employment

The City’s Background Check Policy requires background checks to be conducted on final internal or external candidate(s) applying for any position with the City of Charlotte. The type of information that will be collected as part of a background check includes, but is not limited to: reference checks, social security verification, education verification, criminal conviction record check, and, if applicable, a credit history check, sex offender registry and motor vehicle records check.

Background checks must be in compliance with all federal and state statutes, such as the Fair Credit Reporting Act (FCRA). The checks must be consistent with the guidelines set forth by these laws requiring organizations to obtain a candidate’s written authorization before obtaining a criminal background report, motor vehicle records check or credit report; and to properly store and dispose of information derived from such reports.

Final candidates must pass a pre-employment drug-screening test and physical examination. During the selection process, candidates may be asked to take a skills test, and/or participate in other assessments.

The City of Charlotte is an Equal Opportunity Employer.

How To Apply

Apply online.

Federal law requires employers to provide reasonable accommodations to qualified individuals with disabilities. Please tell us if you require a reasonable accommodation to apply for a job.

You are welcome to visit the City of Charlotte Human Resources Department lobby where we have workstations available. Our office is located at 700 East 4th Street, Suite 200, Charlotte, NC 28202. Our hours are Monday through Friday, 8 a.m. to 5 p.m. (EST), excluding official City holidays.

Anyone seeking an accommodation to apply for a job may call (704) 336-2285 for assistance or you may email questions to


The City of Charlotte provides a comprehensive benefits package to all employees.

Click here to learn more about the City of Charlotte’s benefits.

The City of Charlotte is a drug and alcohol-free workplace.

In Conclusion

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