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Water Operator Trainee Jobs in Missouri (NOW HIRING)

City of Springfield, MO

Plant Operator II

Springfield, MO · On-site

$39K - $66K/yr

The City of Springfield is committed to protecting the water quality of the Ozarks for many ... Plant Operator Trainee Experience, Education, and Training * At least six months of experience in ...

Resource Label Group

Flexo Press Operator Trainee

Nixa, MO · On-site

$19 - $25.25/hr

The Press Trainee will assist in set up and operation of the printing press to producing labels on ... and water-based inks on 7" to 17" presses with up to 10 color stations. RESPONSIBILITIES:

City of Joplin, MO

Firefighter/EMT Trainee

Joplin, MO · On-site

Performs a variety of fire suppression activities at the fire scene including deploying hose lines, operating nozzles, directing water streams, and raising and climbing ladders; utilizes a variety of ...

All JobsWater Operator JobsWater Operator Trainee JobsWater Operator Trainee Jobs in Missouri

Water Operator Trainee information

See Missouri salary details

$23.9K

$40.8K

$59.6K

How much do water operator trainee jobs pay per year?

As of Jul 26, 2026, the average yearly pay for water operator trainee in Missouri is $40,832.00, according to ZipRecruiter salary data. Most workers in this role earn between $31,000.00 and $47,800.00 per year, depending on experience, location, and employer.

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

Water Operator Trainees often face challenges such as adapting to the technical complexity of water treatment systems, learning to accurately monitor and adjust equipment, and understanding strict safety and regulatory requirements. Trainees must quickly become familiar with both manual and automated processes, as well as handle emergency situations like equipment malfunctions or water quality concerns. Support from experienced operators and ongoing hands-on training are key to overcoming these hurdles and building competence in the role.

What are Water Operator Trainees?

Water Operator Trainees are entry-level professionals who assist in the operation and maintenance of water treatment facilities. They work under the supervision of certified water operators to learn how to monitor, test, and ensure the quality and safety of public water supplies. Their responsibilities often include collecting water samples, recording data, performing basic laboratory tests, and learning about regulatory compliance. This role is designed to provide hands-on experience and training required to become a licensed water operator.

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

AspectWater Operator TraineeWater Operator
CertificationsTypically requires a high school diploma and may need a state-specific water treatment or distribution certificationRequires a valid water treatment or distribution certification, often obtained after training
Work EnvironmentSupervised, entry-level role in water treatment plants or distribution systemsFull responsibilities in operating, maintaining, and monitoring water systems
Job ResponsibilitiesAssisting with daily operations, learning procedures, and gaining experiencePerforming routine maintenance, monitoring equipment, and ensuring water quality

The main difference between a Water Operator Trainee and a Water Operator is experience and certification level. Trainees are in learning roles, often requiring supervision, while Water Operators have completed necessary certifications and handle full operational duties independently.

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

To thrive as a Water Operator Trainee, you need basic math, science knowledge, mechanical aptitude, and a high school diploma or equivalent. Familiarity with water treatment equipment, monitoring systems, and the pursuit of a state-issued water operator certification are typically required. Strong attention to detail, problem-solving, and teamwork skills help you excel in monitoring and maintaining water quality standards. These competencies ensure safe, efficient operation of water facilities and compliance with regulatory requirements.
What are popular job titles related to Water Operator Trainee jobs in Missouri? For Water Operator Trainee jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Water Operator Trainee jobs in Missouri look for? The top searched job categories for Water Operator Trainee jobs in Missouri are:
Water Operator Trainee jobs near you
Infographic showing various Water Operator Trainee job openings in Missouri as of July 2026, with employment types broken down into 40% Full Time, 58% Part Time, 1% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $40,832 per year, or $19.6 per hour.
Plant Operator II

Plant Operator II

City of Springfield (MO)

Springfield, MO

$39K - $66K/yr

Other

Posted 23 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

533rd of 832 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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