Skip to Main Content

WW Treatment Plant Operator IV Sr. #2312-151050-01


Date Opened
Friday, December 15, 2023 12:00 PM
Close Date
Wednesday, February 14, 2024 11:00 AM
Charlotte Water
  • $67,462.00 - $74,956.00/year - Commensurate with experience
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.


The City of Charlotte owns and operates five major wastewater treatment facilities and is in design for the sixth with total treatment capacities of 139 million gallons per day.  This position serves as the Senior Treatment Plant Operator at the Mallard Creek Wastewater Treatment Plant (WWTP). Mallard Creek WWTP is owned and operated by the City of Charlotte and has a daily permitted flow capacity of 13.1 Million Gallons. 


This position is to function as the lead operator at an assigned wastewater treatment plant and ensure compliance with the plant's NPDES. This is accomplished by being the lead operator on an assigned shift at the plant; providing technical direction to other operators as needed; troubleshooting and resolving issues with plant equipment and/or processes; monitoring equipment and processes for proper operations; and communicating any potential issues with the appropriate person. Other duties include performing special projects as assigned by the Chief or Supervisor; following all safety rules and protocols; maintaining records; and making rounds of the specific process or processes assigned.  

This position is on Night Shift working primarily 6pm-6am on a rotating schedule with every other weekend off.

Major Duties and Responsibilities

Functions as lead operator on a shift and ensures proper process control activities are completed; reviewing/evaluating any abnormal results; determining appropriate actions; personally conducting some of the testing  by collecting, testing, and analyzing process control samples; inputting operational data into computer software; analyzing biological bacteria; conducting settleability test; 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.
Functions as lead operator on a shift and works with plant staff to ensure that flows and loadings are maintained by monitoring various tests; evaluating plant data; observing plant equipment and processes; and taking appropriate action to correct any abnormal conditions.  
Functions as lead operator and ensures proper plant operation by working with operators to perform normal daily functions; evaluating abnormal operating characteristics of equipment or processes; making adjustments as needed; and coordinating actions with the Chief or Supervisor.  
Maintains plant records and documents; serves as Backup to the ORC; and serving as supervisor in the absence of the Plant Supervisor.
Performs administrative work by assisting Chief Operator and/or Supervisor with special assignments; ensuring assigned shift is in compliance with normal operational requirements as well as with special requirements due to plant upgrades, system interruptions, and other special circumstances; ordering chemicals; ensuring consistency between shifts; and serving on various committees.   
Participate on project teams, including ISO 14001 ongoing compliance and review. 
Handle special projects as assigned by plant supervisor.

Knowledge, Skills & Abilities

Requires some team lead experience with; Ability to oversee work and provide guidance. 
Must have an advanced knowledge and understanding of wastewater treatment principles and practices.  
Must have excellent oral/written communication skills, organizational skills
Requires the ability to work cooperatively with other city employees, and the public.
Ability to solve diverse operations and/or mechanical problems.

Physical Demands:
 The job is medium classification for physical demands and requires standing, walking, bending, climbing steps/ladders and the ability to lift to 50lbs. Additionally, the following physical abilities are required: feeling, perceiving sounds at normal speaking levels, discriminating among sounds, mental acuity, speaking, standing, talking, visual acuity in data/color/observations/equipment/ inspections, and walking: Occasional health, safety, and environmental factors. 

Preferred Qualification

Preferred Bachelors or Associates degree in Environmental Science, Biology, Chemistry, or related field. 

Minimum Qualifications

High School Diploma or GED equivalent. 
Three (3) years of related work experience in Wastewater Treatment Plant Operations. 

Licenses, Certifications or Registrations: 
Requires Class C driver’s license
Requires eligibility to obtain a City Driving Permit. 
Requires Biological Wastewater IV license 

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

If you have technical issues submitting your application, click here.

Table displaying apply links.