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Wastewater Plant Operator Trainee Jobs (NOW HIRING)

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Plant Operator Trainee

Saint Augustine, FL

This position is responsible for participating in the day-to-day operation of a wastewater ... The ideal Plant Operator Trainee candidate must possess St. Johns County's core values of ...

City of Springfield, MO

Plant Operator II

Springfield, MO · On-site

$39K - $66K/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 ...

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Wastewater Plant Operator Trainee information

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$27K

$61.3K

$107K

How much do wastewater plant operator trainee jobs pay per year?

As of Jul 30, 2026, the average yearly pay for wastewater plant operator trainee in the United States is $61,312.00, according to ZipRecruiter salary data. Most workers in this role earn between $45,000.00 and $70,000.00 per year, depending on experience, location, and employer.

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

To thrive as a Wastewater Plant Operator Trainee, you need a basic understanding of water treatment processes, mechanical aptitude, and often a high school diploma or equivalent. Familiarity with monitoring equipment, SCADA systems, and safety protocols is typically required, and many employers encourage or require obtaining a wastewater operator certification. Attention to detail, problem-solving abilities, and effective teamwork are crucial soft skills in this role. These skills ensure the safe and efficient operation of treatment facilities, compliance with environmental regulations, and protection of public health.

What are some common challenges faced by a Wastewater Plant Operator Trainee during the initial months on the job?

As a Wastewater Plant Operator Trainee, one common challenge is getting accustomed to the technical complexity of monitoring and adjusting treatment processes. Trainees often need to quickly learn how to read gauges, operate control panels, and respond to alarms, all while adhering to strict safety and environmental regulations. Working in shifts, including nights and weekends, is also typical and can require adjustments to your routine. However, most facilities provide structured training and mentorship, allowing trainees to gradually build confidence and competence in the role.

What does a Wastewater Plant Operator Trainee do?

A Wastewater Plant Operator Trainee assists in the operation and maintenance of wastewater treatment facilities under the supervision of experienced operators. Their responsibilities include monitoring equipment, collecting samples, conducting tests, recording data, and learning how to manage the treatment process to ensure that water leaving the plant meets environmental standards. Trainees also receive on-the-job training to understand safety protocols and regulatory requirements, preparing them for advancement to fully qualified operator positions.

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

AspectWastewater Plant Operator TraineeWastewater Plant Operator
CertificationsTypically requires a high school diploma; some certifications may be preferredRequires valid wastewater operator certification/license
Work EnvironmentTraining environment, supervised, learning on the jobFull responsibility for plant operations, independent work
Job ResponsibilitiesAssisting with daily tasks, learning procedures, gaining experienceMonitoring equipment, adjusting processes, ensuring compliance

The main difference is that Wastewater Plant Operator Trainees are in a learning phase, often supervised and working towards certification, while Wastewater Plant Operators are fully qualified professionals responsible for plant operations. Trainees focus on gaining experience, whereas operators handle daily operations independently.

What cities are hiring for Wastewater Plant Operator Trainee jobs? Cities with the most Wastewater Plant Operator Trainee job openings:
What states have the most Wastewater Plant Operator Trainee jobs? States with the most job openings for Wastewater Plant Operator Trainee jobs include:
Wastewater Plant Operator Trainee jobs near you
Infographic showing various Wastewater Plant Operator Trainee job openings in the United States as of July 2026, with employment types broken down into 33% Full Time, 65% Part Time, 1% Contract, and 1% Nights. Highlights an 100% Physical job distribution, with an average salary of $61,312 per year, or $29.5 per hour.

Wastewater Plant Operator A/B/C/Trainee (Iron Bridge)

City of Orlando

Orlando, FL • On-site

$18.77 - $23.93/hr

Full-time

Posted 10 days ago

Job description

Salary Range
$18.77-$23.93
Job Posting End Date - Applications will no longer be accepted starting
08-06-2026
Job Summary
Salary:
Wastewater Plant Operator - Trainee: $18.77 - $23.93
Wastewater Plant Operator "A": $24.26 - $30.935
Wastewater Plant Operator "B": $22.62 - $28.845
Wastewater Plant Operator "C": $21.10 - $26.90
This position is located at the Iron Bridge Regional Water Reclamation Facility at 601 Iron Bridge Cir, Oviedo, FL 32765,
Job Description:
Wastewater Plant Operator Trainee:
This position is the trainee in the Wastewater Plant Operator series in which employees work under the close supervision of a Certified Treatment Plant Chief Operator or supervisor while learning to carry out routine duties in the operation of the Wastewater Treatment Plant and preparing to obtain a Class C Treatment Plant Operator license. Performs other related work as assigned.
Wastewater Plant Operator "A":
Under direction, performs advanced skilled work in the efficient operation of a wastewater treatment plant on an assigned shift or rotating shift requiring a Class A operator license. Makes proper adjustments to equipment, machinery operating controls, and related control apparatus in accordance with established procedures and standards. Performs other related work as assigned. Exercises some independent judgment in making adjustments; however, unusual or major problems are reported to a shift supervisor for resolution. This is a safety-sensitive position subject to safety regulations. Work is normally performed under direction of Treatment Plant Operations Shift Supervisor and is reviewed primarily by observation and through the analysis of charts and reports.
Wastewater Plant Operator "B":
Under direction, performs advanced skilled work in the efficient operation of a wastewater treatment plant on an assigned or rotating shift requiring a Class B operator license. Makes proper adjustments to equipment, machinery operating controls, and related control apparatus in accordance with established procedures and standards. Performs other related work as assigned. Exercises some independent judgment in making adjustments; however, unusual or major problems are reported to a shift supervisor for resolution. This is a safety-sensitive position subject to safety regulations. Work is normally performed under direction of Treatment Plant Operations Shift Supervisor and is reviewed primarily by observation and through the analysis of charts and reports.
Wastewater Plant Operator "C":
Under general supervision, performs skilled work in the efficient operation of a wastewater treatment plant on an assigned or rotating shift requiring a Class C operator license. Makes proper adjustments to equipment, machinery operating controls, and related control apparatus in accordance with established procedures and standards. Performs other related work as assigned. Exercises some independent judgment in making adjustments; however, unusual or major problems are reported to the shift supervisor for resolution. This is a safety-sensitive position subject to safety regulations. Work is normally performed under direction of Treatment Plant Operations Shift Supervisor and is reviewed primarily by observation and through the analysis of charts and reports.
Minimum Qualifications:
Wastewater Plant Operator Trainee:
High School Diploma/G.E.D. Certificate and successful completion of science courses that relate to wastewater treatment, water reclamation, or other related area; or an equivalent combination of education, training, and experience that is approved and demonstrates the knowledge, skills, and abilities needed to perform the duties of this position. Valid Florida Driver's License required. Employees must obtain a Class C Wastewater Treatment Plant Operator license within two (2) years of hire date and are expected to advance to full working level. A one-time extension of six (6) months may be granted based on performance and approval by management and Human Resources. This is a safety-sensitive position subject to safety regulations. Employees in these positions must pass annual respirator physical and any other state mandates. No facial hair allowed between the face and the sealing surface of the respirator face piece.
Wastewater Plant Operator "A":
High School diploma or GED; or equivalent combination of education, training and experience. Florida Class A License for Wastewater Treatment Plant Operator required. Valid Florida Driver's License required. Must pass annual respirator physical and any other state mandates; no facial hair allowed between the face and the sealing surface of the respirator face piece. Must have a phone or be reachable in the event of an emergency work situation.
Wastewater Plant Operator "B":
High School diploma or GED; or equivalent combination of education, training and experience. Florida Class B License for Wastewater Treatment Plant Operator required. Valid Florida Driver's License required. Must pass annual respirator physical and any other state mandates; no facial hair allowed between the face and the sealing surface of the respirator face piece. Must have a phone or be reachable in the event of an emergency work situation.
Wastewater Plant Operator "C":
High School diploma or GED; or equivalent combination of education, training and experience. Florida Class C License for Wastewater Treatment Plant Operator required. Valid Florida Driver's License required. Must pass annual respirator physical and any other state mandates; no facial hair allowed between the face and the sealing surface of the respirator face piece. Must have a phone or be reachable in the event of an emergency work situation.
Important: To be eligible to proceed forward in the application process, applicants must meet the minimum qualifications listed in the position description. Please ensure your application provides details of all relevant experience related to the position. If you have questions or need clarification concerning the position or application process, please contact Human Resources at jobs@orlando.gov or 407.246.2062.
If this posting indicates a degree is required, the following experience will apply in lieu of any degree as follows:
  • Two (2) years of direct experience for an associate degree;
  • Four (4) years of direct experience for a bachelor's degree;
  • Six (6) years of direct experience for a master's degree; or
  • Nine (9) years of direct experience for a doctoral degree.

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