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Water Treatment Operator Trainee Jobs in Bothell, WA

About this Role Working under the direction of the Wastewater Treatment Operator - Senior In Charge ... The role includes monitoring water levels and pump performance, troubleshooting equipment ...

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Commissioning of Water Treatment Plans by ensuring process equipment and control system perform per ... Develop Standard Operating Procedures and log sheets to document and monitor equipment operation.

WWTP Operator 1, 2, or 3

Edmonds, WA · On-site

$6.8K - $10K/mo

The Operator 1 is distinguished from the Operator 2 classification which includes added ... Water Treatment Plant equipment and operation and the ability to analyze and make process change ...

WWTP Operator 1, 2, or 3

Edmonds, WA · On-site

$6.8K - $10K/mo

The WWTP Operator 2 is distinguished from the Operator 1 by certification, demonstrated understanding of Waste Water Treatment Plant equipment and operation and the ability to analyze and make ...

Support installation and startup of treatment equipment and chemical feed systems in heavy ... Must be able to work outside of standard operating hours as needed; travel 50-90% throughout ...

State certification for Water Distribution Manager 1 OIT, Wastewater Treatment Plant Operator 1 OIT, or participation in Evergreen Rual Water of Washington (ERWOW) apprenticeship program required.

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Water Treatment Operator Trainee information

See Bothell, WA salary details

$15

$30

$55

How much do water treatment operator trainee jobs pay per hour?

As of Aug 23, 2026, the average hourly pay for water treatment operator trainee in Bothell, WA is $30.64, according to ZipRecruiter salary data. Most workers in this role earn between $21.78 and $36.83 per hour, depending on experience, location, and employer.

What is a water treatment operator trainee?

Water Treatment Operator Trainees are entry-level professionals who assist in the operation and maintenance of water treatment facilities. They work under the supervision of experienced operators to learn how to monitor water quality, operate equipment, and ensure that water meets safety and regulatory standards. Their duties often include conducting tests, recording data, and performing basic maintenance tasks. Over time, trainees gain the skills and certifications needed to become fully qualified water treatment operators.

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

To thrive as a Water Treatment Operator Trainee, you need a basic understanding of water treatment processes, mechanical aptitude, and typically at least a high school diploma or GED. Familiarity with laboratory testing equipment, SCADA systems, and safety protocols is common, and obtaining state operator-in-training certification may be required. Strong attention to detail, teamwork, and problem-solving skills help trainees excel in monitoring and maintaining treatment systems. These abilities are crucial for ensuring safe, compliant, and efficient water treatment operations that protect public health.

What are some common challenges faced by water treatment operator trainees during the initial training period?

As a Water Treatment Operator Trainee, one of the main challenges is quickly learning to operate complex equipment and monitoring systems while adhering to strict safety and regulatory standards. Trainees often need to develop a strong attention to detail and the ability to respond calmly to unexpected issues, such as equipment malfunctions or changes in water quality. Additionally, adjusting to shift work and collaborating effectively with experienced operators and maintenance staff can require good communication skills and adaptability. Support and mentorship from senior team members are common, helping trainees build confidence and technical expertise over time.

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

AspectWater Treatment Operator TraineeWater Treatment Operator
CertificationsOften requires a high school diploma; some certifications may be preferred or required during trainingRequires relevant certifications such as state licensing or operator certification
Work EnvironmentTraining environment, supervised, learning on the jobFull-time, operational environment, responsible for daily water treatment tasks
Job ResponsibilitiesLearning procedures, assisting with operations, gaining experienceMonitoring equipment, adjusting processes, ensuring water quality

In summary, a Water Treatment Operator Trainee is in the learning phase, gaining necessary skills and certifications, while a Water Treatment Operator is fully responsible for managing water treatment processes independently.

What are popular job titles related to Water Treatment Operator Trainee jobs in Bothell, WA?

For Water Treatment Operator Trainee jobs in Bothell, WA, the most frequently searched job titles are:

What job categories do people searching Water Treatment Operator Trainee jobs in Bothell, WA look for?

The top searched job categories for Water Treatment Operator Trainee jobs in Bothell, WA are:

What cities near Bothell, WA are hiring for Water Treatment Operator Trainee jobs?

Cities near Bothell, WA with the most Water Treatment Operator Trainee job openings:

Infographic showing various Water Treatment Operator Trainee job openings in Bothell, WA as of August 2026, with employment types broken down into 87% Full Time, 10% Part Time, and 3% Nights. Highlights an 97% In-person, and 3% Remote job distribution, with an average salary of $63,728 per year, or $30.6 per hour.

Wastewater Treatment Operator

King County

Seattle, WA • On-site

$42.77 - $68/hr

Full-time

Posted 24 days ago


King County (Washington) rating

8.6

Company rating: 8.6 out of 10

Based on 38 frontline employees who took The Breakroom Quiz

199th of 849 rated public administrative organizations


Job description

Summary This recruitment will be used to fill two (2) Career Service vacant positions and may be used to create a list of competitive candidates to fill possible future Wastewater Treatment Operator vacancies within the next 6 months. King County's Department of Natural Resources and Parks - Solid Waste Division is seeking a Wastewater Treatment Operator who's ready to make a meaningful difference. In this role, you'll help protect our region's environment by supporting the safe, efficient, and compliant operation of wastewater systems that keep our landfill sites running responsibly.

Your work will contribute directly to environmental stewardship, regulatory compliance, and the reliability of essential infrastructure across the Cedar Hills Regional Landfill and other remote sites. If you're motivated by work that truly matters and want to help safeguard our community's natural resources, we would be excited for you to join our team. About this Role Working under the direction of the Wastewater Treatment Operator - Senior In Charge, this position plays a key role in the operation, maintenance, and repair of pumps, conveyance systems, and wastewater processes at the Cedar Hills Regional Landfill and other Solid Waste Division sites.

The role includes monitoring water levels and pump performance, troubleshooting equipment, preparing daily control data sheets and reports, and responding to unusual or emergency situations. This is primarily outdoor work that requires proper preparation for all weather conditions, occasional overnight shifts, and support for Vactor Truck operations. You'll perform hands-on tasks essential to keeping landfill wastewater systems operating safely, efficiently, and in compliance with environmental standards.

About the Team The Operations Section of the Solid Waste Division runs a countywide transfer and disposal system that keeps waste moving efficiently from local transfer facilities to the Cedar Hills Regional Landfill, where a network of environmental controls manages the by-products of decomposition. It's a dynamic, high-energy environment centered on teamwork, where skilled professionals in transportation, maintenance, landfill operations, landfill gas, and wastewater work together to deliver reliable, responsible service for the community. In this collaborative setting, you'll be supported by a knowledgeable supervisor, communicate frequently, and apply your interpersonal skills while working both independently and as part of a team dedicated to operational excellence.

To learn more about SWD visit https://kingcounty.gov/depts/dnrp/solid-waste.aspx. Commitment to Equity, Racial, and Social Justice: King County, named after Dr. Martin Luther King, Jr., is a diverse and vibrant community that represents cultures from around the world

Our True North is to create a welcoming community where everyone can thrive. We prioritize equity, racial and social justice, making it a foundational and daily expectation for all employees. In this position, you will actively apply these principles in all aspects of your work.

Learn more about our commitment at http://www.kingcounty.gov/equity. Apply now for a rewarding career at the Solid Waste Division of the King County Department of Natural Resources & Parks. Join our talented workforce in protecting and restoring the natural environment and promoting more resilient, sustainable, and equitable communities

Enjoy training, comprehensive benefits, and growth opportunities. Job Duties What You Will be Doing: Performing control tests to determine if landfill conveyance systems are operating correctly and effectively, such as measuring water flow and leachate/contaminated storm water extraction efficiency. Operating, servicing, and maintaining a variety of equipment, including pumps, valves, motors, meters, computerized motor controls, and related equipment.

Performing periodic testing of conveyance pump stations, pressure, temperature, water flow, and leachate levels at key locations. Inspecting landfill water conveyance equipment and facilities to locate and perform needed repairs. Preparing daily control data sheet and compiling other reports and inputting data into computer system.

Experience, Qualifications, Knowledge, Skills Qualifications You Bring: Demonstrated experience working directly with landfill wastewater conveyance facilities and systems with one (1) year experience working on a landfill performing manual labor OR any equivalent combination of experience and education which provides the applicant with the skills, knowledge and ability required to perform the work. Experience operating pumps, computerized motors, motors, meters, valves, and related landfill wastewater conveyance equipment. Experience performing repairs on landfill wastewater conveyance systems related equipment.

Troubleshooting skills for complex wastewater systems and processes and complex odor control systems. Skill in operating specialized equipment such as forklifts, Vactor trucks, portable pumps, cranes, generators, and safety equipment. Skill in the application of safety policies, procedures, and practices for working around landfill gas and untreated wastewater, confined-space entry, fall protection, hazard communication, recognition and control, hazardous energy control, emergency response.

Demonstrated basic computer skills, including data entry and use of common software programs for reporting and recordkeeping (one year preferred). Necessary Special Requirements: Washington State Driver's License or out of state equivalent Successful candidates will be required to complete professional reference checks and pass a physical examination. Workplace Exposures: This position involves work at active and closed municipal solid waste facilities, which may pose environmental, chemical, and physical hazards including, but not limited to, odor, noise, dust and traffic.

Competencies You Bring: Resourcefulness - Securing and deploying resources effectively and efficiently. Communicates effectively - Ability to adapt approach and demeanor in real time to match the shifting demands of different situations. Values Differences - Recognizing the value that different perspectives and cultures bring to an organization.

Interpersonal savvy - Relates openly and comfortably with diverse groups of people. Situational Adaptability - Adapting approach and demeanor in real time to match the shifting demands of different situations. It Would Be Great If You Also Bring: Ability to perform mathematical calculations associated with wastewater monitoring and testing Knowledge of basic electrical, mechanical, and plumbing trades Skill of basic hand and power tools and specialized equipment Supplemental Information Working Conditions: Work Location: Primary work location is Cedar Hills Regional Landfill located at 16645 228th Ave SE, Maple Valley, WA 98038 with various locations throughout King County, WA.

Work Schedule: This position works a 40-hour workweek, is non-exempt from the Fair Labor Standards Act and is overtime eligible. This position will likely work a 5/8 schedule Monday through Friday 6:00 a.m. to 2:30 p.m

or 2:30 p.m. to 11:00 p.m. or 4/10 schedule 6 a.m

- 4:30 a.m. In addition, this position may be assigned to be on stand-by on off-shift times and emergency call-out, and must be available for weekends, holidays and on call status which is optional. Solid Waste Division facilities are open seven days a week

Union Representation: This position is represented by the International Union of Operating Engineers, Local 302. Physical Environment: The incumbents perform field work at Cedar Hills Regional Landfill and associated facilities and must be able to walk long distances and may need to lift and carry up to 50 lbs. The candidate must have the ability to work in confined spaces, climb in and out of tanks using ladders, work inside/outside in heat/cold, wet/humid, inclement weather while on uneven slopes, surfaces, grades and terrain and other adverse conditions such as odor, high volume noise, dust, and heavy traffic.

This is primarily an outdoor duty assignment; dressing properly for all weather conditions needs to be considered. Application and Selection Process: We welcome applications from all qualified applicants. We value diversity, diverse perspectives, and life experience and encourage people of all backgrounds to apply.

Application materials will be screened for clarity, completeness, and alignment with the experience, qualifications, knowledge, and skills essential for this role to determine which candidates may be invited to participate in one or more panel interviews. To apply, submit a: Complete Application including answering the Supplemental Questions Optional Resume (will be reviewed if submitted) Optional Cover Letter (will be reviewed if submitted) Note: Additional documents won't be considered during minimum qualification screening. For more information regarding this recruitment, please contact Susan Ng at susan.ng@kingcounty.gov Discover More About the Solid Waste Division: Visit our website at our website at Solid Waste Division and check us out at Facebook | Twitter | Instagram | YouTube

Discover More About DNRP: Visit our website, explore an interactive map of our recent accomplishments and check us out at Facebook, X (formerly Twitter), LinkedIn, TikTok, Instagram, YouTube and Keeping King County Green News. Sign up for Job Alerts to be notified of additional career opportunities with King County. Select the Natural Resources category for DNRP opportunities and explore other categories of interest.

Are you ready to make a difference. Come join the team dedicated to serving one of the nation's best places to live, work and play. Application Process If you are interested in pursuing this position and supporting King County's vision for unified, equitable, and high-performing government, please follow the application instructions carefully.

Provide us with your work history as applicable, ensuring that you provide details that highlight your ability to fulfill the requirements for this position. If you need this announcement in an alternate language or format, or you would like to request accommodation or assistance in the application or assessment process, please contact Susan Ng at susan.ng@kingcounty.gov. King County's Vision, Mission, and ACTIVATE Values unite us

King County serves residents with a relentless sense of urgency, delivering on commitments with transparency and accountability. We are action-oriented, creative problem solvers who collaborate across roles, engage directly with communities, and challenge the status quo to achieve meaningful impact. As a unified team, we uphold high ethical and stewardship standards, embrace change, stay curious, and continuously improve.

Across all interactions, we listen first, act quickly, and stay aligned as a team to earn and sustain public trust. Learn more about our Vision, Mission, and ACTIVATE Values here and visit our Why work at King County page here. King County is an Equal Employment Opportunity (EEO) Employer No person is unlawfully excluded from employment opportunities based on sex, race, color, national origin, ethnicity, religious affiliation, disability, sexual orientation, gender identity or expression, age except by minimum age and retirement provisions, pregnancy, status as a family caregiver, parental status, marital status, military status or status as a veteran who was honorably discharged or who was discharged solely as a result of the person's sexual orientation or gender identity or expression, citizenship or immigration status, genetic information, or other protected class.

However, to the extent that distinction or differential treatment on the basis of citizenship or immigration status is authorized by either federal or state law, regulation, or government contract, it is not an unfair practice. Our EEO policy applies to all employment actions, including but not limited to recruitment, hiring, selection for training, promotion, transfer, demotion, layoff, termination, rates of pay or other forms of compensation.


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About King County

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Forbes recently named King County as one of Washington State's best employers. Together, with leadership and our employees, we're changing the way government delivers service and winning national recognition as a model of excellence. Are you ready to make a difference? Come join the team dedicated to serving one of the nation's best places to live, work and play. Guided by our "True North", we are making King County a welcoming community where every person can thrive. We value diversity, inclusion and belonging in our workplace and workforce.

Company size

10,000+ Employees

Headquarters location

Seattle, WA, US

Year founded

1852

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