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Wastewater Operator Trainee Jobs in Poolesville, MD

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Wastewater Operator Trainee information

See Poolesville, MD salary details

$14

$25

$39

How much do wastewater operator trainee jobs pay per hour?

As of Sep 2, 2026, the average hourly pay for wastewater operator trainee in Poolesville, MD is $25.45, according to ZipRecruiter salary data. Most workers in this role earn between $20.10 and $29.18 per hour, depending on experience, location, and employer.

What is a wastewater operator trainee?

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.

What are the key skills and qualifications needed to thrive as a wastewater operator trainee?

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 cities near Poolesville, MD are hiring for Wastewater Operator Trainee jobs?

Cities near Poolesville, MD with the most Wastewater Operator Trainee job openings:

Wastewater Operator Trainee jobs near you
Infographic showing various Wastewater Operator Trainee job openings in Poolesville, MD as of August 2026, with employment types broken down into 46% Full Time, 51% Part Time, 2% Contract, and 1% Nights. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $52,933 per year, or $25.4 per hour.

Water Treatment Plant Operator: Trainee, I or II

Town of Leesburg, VA

Leesburg, VA • On-site

$53K - $116K/yr

Full-time

Medical, Retirement, PTO

Re-posted 13 days ago

Job description

Salary: $53,570.00 - $116,738.00 Annually
Location : 43234 Edwards Ferry Road Leesburg, VA
Job Type: RFT
Job Number: 01303
Department: Utilities Department
Division: Water Supply Facility
Opening Date: 07/21/2026
About the Town of Leesburg and Nature of Work
Do you want to apply your expertise for a cause you can feel good about? Do you want to work for an organization that wants you to grow with it and offers tuition reimbursement, certification training, and a chance to learn about multiple industries? Come work for the Town of Leesburg, hometown of the 21st century! Located 35 miles west of the nation's capital in the heart of DC's Wine Country, you'll enjoy a vibrant and authentic community with "big city" amenities. The Town of Leesburg strongly encourages innovation, promotes career development, and offers excellent benefits to employees. Benefits include membership to the Town's full-service recreation center, enrollment into the Virginia Retirement System, excellent healthcare insurance, and other fringe benefits.
What You'll Be Doing
This position involves entry level through journey-level technical work opportunities in the Water Supply Division in the operation; and maintenance of a water treatment plant, associated facilities and plant grounds. Work involves responsibility for the operation, monitoring, and control of the facility on a shift under the close guidance of senior operations personnel. Work involves conducting tests in a microbiology lab; adjusting treatment processes to ensure conformance with applicable standards; operating wells, storage tanks and booster stations; participating in the maintenance of equipment and facilities; performing data entry on a computer; and preparing operating reports and records. The Water Supply Division is responsible for the safe and efficient operation of the Town's Kenneth B. Rollins Water Treatment Plant (WTP), one well, five water storage tanks, and four water booster stations.
Schedule
This position requires working rotating shifts (days/nights), including weekends and holidays.
Career Development Program
The Town's Water Supply Division offers a career development program. The purpose of this program is to recognize and compensate those individuals who have acquired additional or advanced work-related knowledge, skills and abilities during their career with the Town's Utilities Department. This program provides a career development plan based on an employee's performance, training, licensure and length of service.
For more detailed job descriptions, please visit the Town's
Required Qualifications
Utility Plant Operator Trainee ($53,570-$116,738 DOQ): HS/GED. Ability to obtain a Class IV Water Works Operator License for Water Supply within 18 months. Ability to obtain a Class III Water Works Operators License for Water Supply. Possession of a valid driver's license and a safe driving record. Certifications in CPR/AED and First Aid or ability to obtain within one year of employment. Knowledge in MS Suite applications and computer program applications appropriate to the position. Available and able to work shifts (nights, weekends and holidays).
Utility Plant Operator I ($54,601-$118,938 DOQ): High school diploma (or GED) and one year of experience operating a water or wastewater treatment
plant facility. Possession of a current Class III Water Works Operator License for Water Supply as issued by Virginia Department of Professional & Occupational Regulation (DPOR). Water or environmental laboratory experience. Possession of a valid driver's license and a safe driving record. CPR / AED First Aid certification or ability to obtain within one year of employment. Knowledge and familiarity with Virginia Waterworks Regulations. Knowledge in MS Suite applications and computer program applications appropriate to the position. Available to work shifts (nights, weekends and holidays).
Utility Plant Operator II ($57,331-$127,295 DOQ): HS/GED and two years of progressively responsible work in water treatment. Water or environmental laboratory experience. Possession of a Class II Water Works Operator License as issued by the Virginia Department of Professional & Occupational Regulation (DPOR). CPR/AED First Aid certification or within one year of hire. Possession of a valid driver's license and a safe driving record. Experience with industrial computer control systems (SCDA) and process control system. Available to work shifts ( nights, weekends and holidays).
Preferred Qualifications
Utility Plant Operator Trainee: Class IV License Water Works Operator License issued by the Virginia Department of Professional & Occupational Regulation (DPOR). Water or environmental laboratory experience.
Utility Plant Operator I: Backflow device certification. Experience with SCADA and Process Control Systems. Completion of VDH/VWEA Operators Short School - Virginia Tech.
Utility Plant Operator II: Backflow device certification. Associates or Bachelors degree in Biology, Chemistry or other related science. Bacteriology Laboratory Experience.
Employee BenefitsThe Town offers competitive compensation, affordable health insurance coverage, participation in the Virginia Retirement System, an optional 457(b) retirement plan with a Town matching contribution, flexible spending accounts, voluntary benefits, employee assistance program (EAP), membership to the Town's full-service recreation center, an optional payroll Roth IRA, and generous paid time off. For more information on the Town's robust benefits package, please visit the Town'sEmployee Benefits page.
EOE/ADA
Please click on "Employee Benefits" to review detailed information regarding employee benefits for regular full-time and regular part-time employees.

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