Salary: $44.24 - $53.48 Hourly
Location : South Treatment Plant - 1200 Monster Road SW, Renton, WA
Job Type: Career Service (Exec)
Job Number: 2026HD27591
Department: DNRP-Natural Resources & Parks
Division: Wastewater Treatment
Opening Date: 07/23/2026
Closing Date: 8/6/2026 11:59 PM Pacific
FLSA: Non-Exempt
Bargaining Unit: A2 : SEIU L925-Wastewater
Full- or Part-Time: Full Time
Hours/Week: 40 hours/week
Summary
This is a competitive posting, and the position is open to all qualified candidates
Minimum Salary:
Step 2 for Industrial Maintenance Mechanic but may be higher based upon experience and interview process ($44.24-$53.48/hour)
Join a team of journey-level mechanics performing repair and troubleshooting for both planned and unscheduled maintenance. In this role, you will perform and assist with a variety of mechanical maintenance tasks while developing your skills in an industrial environment. This position offers excellent benefits and job security in a unionized setting. Employees who are actively engaged in their professional growth have opportunities for advancement to Industrial Mechanic-Master, as well as potential leadership roles as they become available.
About The Role
Working as part of a team, this person will apply their maintenance experience to perform high-level repairs on a variety of rotating mechanical equipment, including but not limited to biosolids decanting blowers, influent and effluent pumps, biogas scrubbing compressors, gearboxes, conveyance systems, and multiple piping systems. The ideal candidate is goal-oriented and contributes to a safe, collaborative, and positive work environment. They will support a team culture focused on effective communication, working closely with other groups, and following good shop practices to maintain a high standard of workmanship.
About WTD
Join our team dedicated to ensuring clean water for generations to come! With over 700 employees engaged in planning, designing, building, and operating treatment facilities, our agency is at the forefront of environmental stewardship. Success for us means upholding our legacy while promising future generations a pristine environment.
The King County WTD protects public health and the environment of the central Puget Sound region by collecting and treating wastewater, while recovering valuable resources that would otherwise be lost. We manage a vital infrastructure that contributes to the region's economic development and provide services to 18 cities, 15 local sewer districts, the Muckleshoot Indian Tribe, and nearly two million residents across a 424-square-mile area in King, Snohomish, and Pierce counties. We enforce regulations to reduce harmful waste discharge and actively educate the public and businesses on water quality protection. Our regional wastewater treatment system not only sustains a healthy environment but also fuels economic development, fostering prosperity in our region. If you're passionate about making a difference and thrive in a collaborative environment, join us in our mission to safeguard our precious water resources.
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. As a King County Employee, you will actively apply these principles in all aspects of your work. Learn more about our commitment at
Apply now for a rewarding career at the of King County Department of Natural Resources & Parks(DNRP). Join our talented workforce in protecting and restoring the natural environment and promoting more resilient, sustainable, and equitable communities. Enjoy training, , and growth opportunities.
Job Duties
What You Will Be Doing:
- Perform maintenance, troubleshooting, repair, and overhaul of a variety of complex machinery used in plant operations.
- Install, repair, and maintain piping and plumbing systems for sewage, water, gases, chemicals, and solids using appropriate materials.
- Fabricate and install metal fixtures, including vents, air ducts, doors, louvers, containers, equipment covers, machinery bases, and support members.
- Design, fabricate, and repair plant piping, equipment guards, and bases.
- Use welding equipment, including metal inert gas (MIG), tungsten inert gas (TIG), arc welding, cutting torches, plasma cutters, and plastic welders.
- Plan equipment repairs using blueprints, engineering drawings, computer-aided design (CAD), Maintenance Information Management System (MIMS), operations and maintenance manuals, vendor data, catalogs, and other resources.
- Collaborate with CAD personnel to provide as-built drawings to support parts/material ordering, equipment assembly, and modifications.
- Perform other duties as assigned to support plant operations and maintenance.
Experience, Qualifications, Knowledge, Skills
Qualifications You Bring:
- Knowledge and hands-on experience maintaining, troubleshooting, and repairing pumps, motors, valves, and other rotating equipment used in industrial or wastewater systems.
- Skill in safely using hand and power tools, precision measuring instruments, and machine tools (lathes, mills, drill presses); ability to perform basic welding and fabrication for equipment repair.
- Ability to understand and apply information from blueprints, schematics, manuals, and preventive maintenance procedures.
- Knowledge of industrial safety standards, including lockout/tagout, confined space entry, and proper handling of hazardous materials
- Ability to work collaboratively with coworkers and other trades; communicate effectively in writing and verbally; and accurately document work in a computerized maintenance management system (e.g., Maximo).
Competencies You Bring:
- Customer Focus: Applying knowledge of business and the marketplace to advance the organization's goals.
- Collaborates: Building partnerships and working collaboratively with others to meet shared objectives.
- Decision Quality: Making good and timely decisions that keep the organization moving forward.
- Action Oriented: Taking on new opportunities and tough challenges with a sense of urgency, high energy, and enthusiasm.
- Values Differences: Recognizing the value that different perspectives and cultures bring to an organization.
Required Licenses - Washington State Driver's Licenseor the ability to provide transportation to remote work locations with limited or no public transportation services.
It Would Be Great if You Also Bring:
- Knowledge of and experience with plumbing, pumps, hydraulics, welding, and rigging techniques and principles.
- Experience in heavy equipment mechanical maintenance, including repairs and understanding replacement criteria.
- Knowledge of and experience applying industrial safety standards and procedures related to mechanical maintenance.
- Strong oral and written communication skills, with the ability to read, write, and follow instructions accurately.
- Experience with equipment operation, installation, and commissioning.
Supplemental Information
Work Location: South Plant Treatment Facility - 1200 Monster Rd SW, Renton, WA 98057
Work Schedule: This full-time position works a 40-hour work week. This position is covered under the provisions of the Fair Labor Standards Act (FLSA) and is overtime eligible.
Union Representation: This position is represented by SEIU Local 925 - Wastewater Treatment Division.
Physical Requirements: Incumbents perform field work at a wastewater treatment plant and associated facilities and are required to lift and carry equipment weighing up to 50 pounds, use ladders, and there is exposure to hazardous chemicals and noxious odors. A pre-employment physical, review of driving record, and reference checks will be conducted prior to any final job offer.
Workplace Exposures: You will be working in all weather conditions in an industrial wastewater environment. There may be exposure to chemicals, biohazards, and other potentially hazardous materials. Frequent exposure to loud noise (hearing protection required) and working in confined spaces may occur. You will be required to use respirators or any other personal protective equipment while at the facility.
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.
Interviews:
Technical Interviews (Mid August)
Panel Interview: Virtual (late August/early September)
To apply, submit a:
Complete Application
Cover Letter (Optional)
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 Helen David at Hdavid@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 and visit our Why work at King County page
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.
King County offers a highly-competitive compensation and benefits package designed to meet the diverse needs of our employees and support our employees' health and well-being. Eligible positions receive the following benefits and have access to the following programs:
- Excellent medical, dental, and vision coverage options: King County provides eligible employees with options, so they can decide what's best for themselves and their eligible dependents
- Life and disability insurance: employees are provided basic coverage and given the opportunity to purchase additional insurance for both the employee and eligible dependents
- Retirement: eligible King County employees may participate in a pension plan through the Washington State Department of Retirement Systems and a 457(b) deferred-compensation plan
- Transportation program and ORCA transit pass
- 12 paid holidays each year plus two personal holidays
- Generous vacation and paid sick leave
- Paid parental, family and medical, and volunteer leaves
- Flexible Spending Account
- Wellness programs
- Onsite activity centers
- Employee Giving Program
- Employee assistance programs
- Flexible schedules and telecommuting options, depending on position
- Training and career development programs
For additional information about employee benefits, visit our
This is a general description of the benefits offered to eligible King County employees, and every effort has been made to ensure its accuracy. If any information on this document conflicts with the provisions of a collective bargaining agreement (CBA), the CBA prevails.
NOTE: Benefits for Term Limited Temporary (TLT) or Short Term Temporary (STT) positions, including leave eligibility and/or participation in the pension plan through the Washington State Department of Retirement Systems, will vary based upon the terms and details of the position. Short Term Temporary positions are not eligible for an ORCA transit pass.
For inquiries about the specifics of this position, please contact the recruiter identified on this job posting.
