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Compost Operator Jobs in Seattle, WA (NOW HIRING)

Water Treatment Plant Operator

Seattle, WA · On-site

$49.25 - $57.31/hr

... compost. SPU also provides drinking water for 1.5 million customers in the region SPU's work ... Washington State Department of Health Level 3 Water Treatment Plant Operator certification or ...

Dishwasher

Seattle, WA · On-site

$21.30/hr

Operating a commercial dish machine. * Hand washing pots, pans and equipment. * Upholding ... Manage waste including trash, recycle, compost etc. Benefits: Paid time off, shift meals, flexible ...

Operating a commercial dish machine. * Hand washing pots, pans and equipment. * Upholding ... Manage waste including trash, recycle, compost etc. Benefits: Paid time off, shift meals, flexible ...

Coordinating with donation and compost pick up partners each day * Presenting to the team as a ... We offer flexibility, generous perks, and room to grow - hiring builders, operators, creatives, and ...

Sr. Water Quality Engineer

Seattle, WA · On-site

$68.52 - $79.78/hr

Working closely with operators, engineers, planners, and project teams, you'll bring expert insight ... compost. SPU also provides drinking water for 1.5 million customers in the region. SPU's work ...

Sr. Water Quality Engineer

Seattle, WA · On-site

$68.52 - $79.78/hr

Working closely with operators, engineers, planners, and project teams, you'll bring expert insight ... compost. SPU also provides drinking water for 1.5 million customers in the region. SPU's work ...

Compost Operator information

See Seattle, WA salary details

$16

$26

$38

How much do compost operator jobs pay per hour?

As of Aug 30, 2026, the average hourly pay for compost operator in Seattle, WA is $26.99, according to ZipRecruiter salary data. Most workers in this role earn between $22.16 and $30.62 per hour, depending on experience, location, and employer.

What is a compost operator?

Compost Operators are professionals responsible for managing the process of turning organic waste materials into compost. They oversee the collection, sorting, and processing of biodegradable materials such as food scraps, yard waste, and agricultural residues. Their job involves monitoring compost piles for temperature, moisture, and aeration to ensure effective decomposition. Compost Operators also use specialized machinery and adhere to environmental regulations to produce high-quality compost for agricultural or landscaping use.

What are the key skills and qualifications needed to thrive as a compost operator, and why are they important?

To thrive as a Compost Operator, you need knowledge of composting processes, basic equipment operation, and an understanding of safety and environmental regulations, typically supported by a high school diploma or equivalent. Familiarity with machinery such as front-end loaders, temperature probes, and possibly compost management software is often required. Strong attention to detail, reliability, and the ability to work both independently and as part of a team are valuable soft skills. These abilities are essential to ensure efficient, safe, and environmentally responsible compost production.

What are some common challenges a compost operator faces, and how can they be addressed on the job?

Compost Operators often encounter challenges such as managing odors, maintaining optimal moisture and temperature levels, and dealing with varying feedstock quality. Addressing these issues requires consistent monitoring, timely adjustments to aeration and watering, and thorough record keeping. Collaborating closely with other team members, such as equipment operators and quality control personnel, helps to quickly identify problems and implement effective solutions, ensuring the composting process runs smoothly and meets environmental standards.

What is the difference between Compost Operator vs Waste Management Technician?

AspectCompost OperatorWaste Management Technician
CertificationsOSHA safety training, equipment operationOSHA safety training, waste handling certifications
Work EnvironmentComposting facilities, outdoorLandfills, recycling centers, outdoor/indoor
Industry UsageComposting plants, organic waste facilitiesWaste collection, recycling, disposal services

While both roles involve waste management and safety certifications, a Compost Operator specializes in managing composting processes at organic waste facilities, focusing on compost production. A Waste Management Technician handles broader waste collection and disposal tasks across various waste facilities. The roles overlap in safety training and outdoor work environments but differ in specific responsibilities and industry focus.

What are popular job titles related to Compost Operator jobs in Seattle, WA?

For Compost Operator jobs in Seattle, WA, the most frequently searched job titles are:

What cities near Seattle, WA are hiring for Compost Operator jobs?

Cities near Seattle, WA with the most Compost Operator job openings:

Infographic showing various Compost Operator job openings in Seattle, WA as of August 2026, with employment types broken down into 77% Full Time, and 23% Part Time. Highlights an 100% In-person job distribution, with an average salary of $56,138 per year, or $27 per hour.

Water Treatment Plant Operator

City of Seattle

Seattle, WA • On-site

$49.25 - $57.31/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 6 days ago


City Of Seattle rating

8.9

Company rating: 8.9 out of 10

Based on 31 frontline employees who took The Breakroom Quiz

126th of 852 rated public administrative organizations


Job description

Position Description Seattle Public Utilities (SPU) seeks a skilled and motivated Water Treatment Plant Operator to help ensure the reliable delivery of safe, high-quality drinking water to Seattle residents and our wholesale customers. In this role, you will support the continuous operation of the Tolt Water Treatment Facility and will serve as the Shift Operator in Responsible Charge during rotating day, night, and weekend shifts. This position is central to maintaining SPU's treatment performance and public health standards.

You will apply advanced knowledge of drinking water treatment processes and regulatory requirements while operating and monitoring plant systems both onsite and through SCADA. Your work will include conducting operational and maintenance activities, adjusting and maintaining treatment equipment, compiling operational data, and preparing documentation used for reporting and performance tracking. You will also contribute to team development by training and mentoring operators in treatment techniques, equipment use, and safe work practices.

If you are committed to public service, thrive in a technical and team-oriented environment, and want to help protect one of our region's most critical resources, we encourage you to apply and join the SPU team. About Seattle Public Utilities: Seattle Public Utilities (SPU) is a community-centered utility that delivers vital services to Seattle residents and businesses including drinking water, drainage and wastewater, and garbage/recycling/compost. SPU also provides drinking water for 1.5 million customers in the region

SPU's work includes system maintenance and improvements and keeping Seattle clean. Over 1,400 SPU employees work with our community to provide affordable and equitable stewardship of our water and waste resources for future generations. For more information about Seattle Public Utilities (SPU), check out the: SPU Website SPU Workplace Expectations Strategic Business Plan SPU commits to Our City Values and Race and Social Justice as core principles that guide our work.

We actively take steps to dismantle systemic racism and increase service equity. We value diverse life experiences and strive to create a workplace that is welcoming to all. We take steps to be inclusive and equitable in our recruiting, hiring and promotional opportunities.

We know work isn't only about what you do it's also about who you work for and with. SPU provides a fun and family-friendly work environment that supports a work life balance, including: Hybrid work schedule opportunities (As Appropriate) Family-friendly and multicultural work environment Generous benefits package Free Orca Pass City pension plan with employer/employee contributions Growth potential and advancement opportunities Job Responsibilities May serve as the Shift Operator in Responsible Charge and as a duty operator of the Water Treatment Facility during day, weekend and night shifts Have advanced understanding of drinking water treatment standards, regulations, and public health principles Performing a range of operational and maintenance tasks. Monitor and operate the treatment plant locally and via Supervisory Control and Date Acquisition (SCADA) system as the lead and in support of the lead operator Advanced knowledge of and experience with water treatment practices such as filtration, ozonation, and chlorination Operate, adjust and maintain chemical feeders, metering pumps, compressors, chlorinators, ozone generators, lime slakers, filters, generators and other related equipment required for treatment of water Lead, train, and mentor lower-level water treatment operators in the operation and maintenance of the water treatment plant Operate computers and utilize software to accomplish the necessary input and output of information used to monitor equipment, record test data, track operations, and compile reports *Please note this job advertisement is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job.

Qualifications Experience: Eighteen (18) months of experience working in the field of water treatment or water quality with a water utility. License, Certification and Other Requirements: Washington State Department of Health Level 3 Water Treatment Plant Operator certification or higher designation or equivalent from another state within the United States as confirmed by the Association of Boards of Certification. If equivalent designation from another state, must attain Washington State Department of Health Level 3 Water Treatment Plant Operator certification within six (6) months of hire.

Work Environment/Physical Demands: Must be physically capable of sustained bending, climbing, standing, walking, and occasionally lifting 50 pounds and working in prevailing weather conditions Work safely in potentially hazardous areas and/or unpleasant environments Require appropriate protection and safety precautions when handling hazardous and toxic chemicals such as chlorine, caustic, fluoride and water testing reagents Required to work rotating shifts, including days, nights, weekends, and holidays May be required to be on-call 24 hours/day Desired Qualifications: Excellent oral and written communication skills, as well as the ability to clearly share information with leadership, staff and stakeholders. Good interpersonal skills, ability to work with people from diverse professional, cultural backgrounds. The ability to establish effective working relationships with staff and collaborate effectively at all organizational levels.

Being responsive to operational and emergency needs of the plant and the ability to work under pressure. Additional Information This position is fully on-site and doesn't offer the option of remote work. Individual schedules will be agreed upon by the employee and their supervisor.

Who may apply: The City of Seattle encourages people of all backgrounds to apply, including people of color, immigrants, refugees, women, LGBTQ, people with disabilities, veterans, and those with diverse life experience. This position is open to all qualified candidates that meet the minimum qualifications. The City of Seattle values diverse perspectives and life experiences.

Applicants will be considered regardless of race, color, creed, national origin, ancestry, sex, marital status, disability, religious or political affiliation, age, sexual orientation, or gender identity. The full salary range for this position is: $49.25 - $57.31 per hour. How to Apply: A full City of Seattle online application Please DO NOT attach resumes and cover letters, as they will not be considered in the review of the candidate's qualifications

For more information regarding this recruitment, please contact: Ernest Stephens at Ernest.Stephens@Seattle.gov This hiring process involves a background check of conviction and arrest records in compliance with Seattle's Fair Chance Employment Ordinance, SMC 14.17. Applicants will be provided an opportunity to explain or correct background information. The City of Seattle offers a comprehensive benefits package including vacation, holiday, and sick leave as well as medical, dental, vision, life and long-term disability insurance for employees and their dependents

More information about employee benefits is available on the City's website at: https://www.seattle.gov/human-resources/benefits Learn more about Seattle Public Utilities at www.seattle.gov/util/ and check us out on social media.


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