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Wastewater Operator Trainee Jobs (NOW HIRING)

City of Springfield (MO)

Plant Operator II

Springfield, MO · On-site

$39K - $64K/yr

Plant Operator Trainee Experience, Education, and Training At least six months of experience in the operation of an activated sludge wastewater treatment plant, or in a closely related area, such as ...

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Wastewater Operator Trainee information

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$14

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How much do wastewater operator trainee jobs pay per hour?

As of Jun 9, 2026, the average hourly pay for wastewater operator trainee in the United States is $25.59, according to ZipRecruiter salary data. Most workers in this role earn between $20.19 and $29.33 per hour, depending on experience, location, and employer.

What is the role of a trainee operator?

A wastewater operator trainee assists experienced operators in maintaining and operating wastewater treatment equipment, monitoring system performance, and ensuring compliance with environmental regulations. They typically learn to perform tests, record data, and may work under supervision until they gain necessary certifications. The role provides hands-on experience in the treatment process and equipment operation.

What are the key skills and qualifications needed to thrive as a Wastewater Operator Trainee, and why are they important?

To thrive as a Wastewater Operator Trainee, you need a basic understanding of water treatment processes, mechanical aptitude, and a high school diploma or equivalent. Familiarity with monitoring equipment, SCADA systems, and the pursuit of relevant state operator certifications are typically expected. Attention to detail, problem-solving abilities, and strong teamwork skills help trainees excel in this role. These competencies ensure safe and efficient facility operations, compliance with regulations, and protection of public health and the environment.

What are some common challenges faced by Wastewater Operator Trainees during their initial training period?

As a Wastewater Operator Trainee, one common challenge is adapting to the technical complexity of plant operations, including learning to monitor and maintain various mechanical and chemical systems. Trainees often need to quickly become familiar with safety protocols, regulatory requirements, and emergency response procedures. Additionally, the work frequently involves shift schedules, including nights and weekends, which can require flexibility. However, with the guidance of experienced operators and structured on-the-job training, most trainees build confidence and proficiency over time.

What is the difference between Wastewater Operator Trainee vs Wastewater Operator?

AspectWastewater Operator TraineeWastewater Operator
CertificationsTypically requires a high school diploma; may need a state-issued trainee or apprentice licenseRequires a valid wastewater operator license or certification
Work EnvironmentSupervised, learning environment at treatment plants or pumping stationsFull responsibility for operating and maintaining wastewater treatment equipment
Job ResponsibilitiesAssisting with daily operations, learning procedures, performing basic tasksManaging treatment processes, troubleshooting, and ensuring regulatory compliance

The main difference between a Wastewater Operator Trainee and a Wastewater Operator is experience and certification level. Trainees are in learning roles, often supervised, while Wastewater Operators are fully responsible for plant operations with proper licensing. Trainees focus on gaining skills, whereas Operators perform independent work to maintain wastewater treatment systems.

What are Wastewater Operator Trainees?

Wastewater Operator Trainees are entry-level professionals who assist in the operation and maintenance of wastewater treatment facilities. They work under the supervision of experienced operators to learn how to monitor equipment, collect samples, and ensure that water treatment processes comply with environmental regulations. As trainees, they gain hands-on experience and knowledge required to obtain certification and advance to higher-level operator positions. Their work helps protect public health and the environment by ensuring wastewater is properly treated before being released.
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What cities are hiring for Wastewater Operator Trainee jobs? Cities with the most Wastewater Operator Trainee job openings:
What states have the most Wastewater Operator Trainee jobs? States with the most job openings for Wastewater Operator Trainee jobs include:
What job categories do people searching Wastewater Operator Trainee jobs look for? The top searched job categories for Wastewater Operator Trainee jobs are:
Wastewater Operator Trainee jobs near you
Infographic showing various Wastewater Operator Trainee job openings in the United States as of May 2026, with employment types broken down into 96% Full Time, 2% Part Time, and 2% Nights. Highlights an 96% Physical, 2% Hybrid, and 2% Remote job distribution, with an average salary of $53,224 per year, or $25.6 per hour.

Plant Operator II

City of Springfield (MO)

Springfield, MO • On-site

$39K - $64K/yr

Other

Posted 5 days ago

City Of Springfield (Missouri) rating

7.5

Company rating: 7.5 out of 10

Based on 14 frontline employees who took The Breakroom Quiz

401st of 645 rated public administrative organizations

Job description

Description Are you interested in being part of an award winning team. The City of Springfield is committed to protecting the water quality of the Ozarks for many generations to come. The Southwest Wastewater Treatment Plants (SWTP) is an award winning wastewater treatment facility for the City of Springfield and is searching for qualified candidates to fill the position of Plant Operator II.

The Plant Operator II shall perform specialized skilled work in the operation and routine maintenance of sludge conditioning and thickening equipment, mixed media filtration, cryogenic oxygen generation and ozone generation facilities. For more information on the SWTP click here. **PLEASE NOTE WORK SCHEDULE BELOW: SWTP - 2:30AM - 2:30PM or 2:30PM - 2:30AM - 12-hour shifts (Rotation either Sunday - Wednesday or Wednesday - Saturday) THIS POSITION HAS THE OPTION TO UNDERFILL WITH A PLANT OPERATOR TRAINEE.

Don't forget to review the amazing benefits - Click Here. Qualifications and Requirements Plant Operator II Experience, Education, and Training Two years of college or vo-tech training in wastewater technology, chemical or biological sciences or a related area; OR Degree in biology, environmental science, or similar area; AND Two years experience in the operation of an activated sludge wastewater treatment plant, or in a closely related area; Directly related work experience may be substituted for the education requirement on a year-for-year basis, and double credit may be given for direct City of Springfield Plant Operator Trainee experience. Licensing/Certification At time of hire, must possess a valid Missouri Class "D" Wastewater Operator's Certificate or equivalent; Must obtain and maintain a Class "C" Wastewater Operator's Certificate within the probationary period; Must obtain and maintain a Class "B" Commercial Driver's License (CDL) with appropriate endorsements within the following guidelines: Pass written portion of exam within 90 days of employment and skills test portion within the probationary period.

Plant Operator Trainee Experience, Education, and Training At least six months of experience in the operation of an activated sludge wastewater treatment plant, or in a closely related area, such as plant or infrastructural maintenance; OR Degree in biology, environmental science, or similar area; Possession of current Class D Wastewater Treatment Plant Operations Certificate may be substituted for experience/degree requirement. Licensing/Certification Obtain and maintain a Missouri class "D" wastewater treatment plant operations certificate within probationary period. Must obtain and maintain a Class "B" Commercial Driver's License (CDL) with appropriate endorsements within the following guidelines: Pass written portion of exam within 90 days of employment and skills test portion within 120 days of employment.

Functions Plant Operator II For more information on essential functions and other requirements, please see the job description. Salary - $39,561.60 - $64,708.80 Annually Underfill - Plant Operator Trainee For more information on essential functions and other requirements, please see the job description. Salary -$38,064.00 - $56,430.40 Annually Other Requirements The City of Springfield promotes equal employment opportunities to all without regard to race, color, religion, sex, national origin, age, status as a protected veteran, or status as a qualified individual with a disability, or other legally protected status

All qualified applicants will receive consideration for employment. Individuals with disabilities who believe they will need an accommodation to undergo any part of the interview, examination, or pre-employment process, should request a reasonable accommodation in accordance with the Americans with Disabilities Act prior to the testing or appointment. Requests should be requested by contacting City of Springfield Human Resources by phone, 417-864-1607, or in person at the Municipal Busch Building, 840 Boonville Ave.

Springfield, MO 65802. Proof of United States Citizenship/Authorization to Work in the United States as established by the Immigration Reform Act of 1986 is a condition of employment. We are committed to a drug-free workplace.

Pre-employment drug testing is required. All interested candidates MUST complete the City of Springfield on-line application in its entirety. The candidate profile must include all employment history with accurate and complete information prior to submission.

Resumes alone will not be accepted as the application, but they may be submitted as supplemental documentation.

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