Wastewater Construction Management III - Mechanical Inspector

Salary: $56.83 - $72.03 Hourly
Location : West Point Treatment Plant-Operations Building, 2500 W Jameson St., Seattle, WA 98199, WA
Job Type: Career Service (Exec)
Job Number: 2026HD28164
Department: DNRP-Natural Resources & Parks
Division: Wastewater Treatment
Opening Date: 11/10/2026
Closing Date: 11/30/2026 11:59 PM Pacific
FLSA: Non-Exempt
Bargaining Unit: W4 : TEA-WTD, DNRP-Staff
Full- or Part-Time: Full Time
Hours/Week: 40 hours/week

Summary
This position is open to the general public and King County Employees.

The Construction Management Unit in the WTD is seeking a Wastewater Construction Management III - Mechanical Inspector to inspect a variety of construction contracts including, work order, design-bid-build (low bid/lump sum), general contractor/construction manager, and design build type contracts with ($10k-$100M+). This is an opportunity to do challenging work on a variety of construction projects that help to protect our environment.
About The Role
You as our hire will provide inspection of mechanical construction activities including installation of pumps, piping, and all mechanical appurtenances found in a wastewater treatment plant or pump station. You will be able to recognize correct work, safe work, and work well coordinating construction activities with the team.

Inspects and documents Mechanical construction in an industrial environment. Ensures work is performed safely and correctly and in compliance with drawings and specifications. You will be part of a team that prides itself in ensuring proper upgrades to our aging infrastructure to keep wastewater flowing as designed and keeps the environment safe.

Job Duties

What You Will Be Doing:

• Review submittals and shop drawings from contractors and subcontractors for conformance with contract plans and specifications.
• Ensure that construction is in compliance with contract plans and specifications.
• Prepare field notes and submit daily written reports regarding the projects in progress. Prepare other written reports as requested.
• Assist in contractual change order preparations and negotiations.
• Interpret construction schedules for progress impacts and slippage.
• Provide input as required for contract dispute resolution.
• Review and interpret engineering design drawings and specifications to ensure compliance with acceptable construction methods and wastewater treatment requirements.
• Provide written comments to project team during the design review process.
• Monitor the work performance of contractors and assist in the review of progress payment applications.

Experience, Qualifications, Knowledge, Skills

Qualifications You Bring:

• Knowledge of the construction of mechanical and structural facilities, especially as applied to wastewater treatment or heavy industrial facilities.
• Experience with managing construction activities in operational environments and knowledge of hazards and safety procedures involved.
• Ability to read and interpret engineering drawings and specifications as applied to wastewater treatment facility and large conveyance systems.
• Thorough knowledge of construction methods, with emphasis on mechanical and conveyance system installations.
• Ability to inspect materials and workmanship and recognize deficiencies and omissions requiring correction.
• Knowledge of relevant construction laws, ordinances, codes, regulations, specifications and standards.

Competencies You Bring:

• Ensures Accountability: Holding self and others accountable to meet commitments.
• Decision Quality: Making good and timely decisions that keep the organization moving forward.
• Manages Conflict: Handling conflict situations effectively, with a minimum of noise.
• Courage: Stepping up to address difficult issues, saying what needs to be said.
• Communicates Effectively: Developing and delivering multi-mode communications that convey a clear understanding of the unique needs of different audiences.

Required Licenses- A valid Washington State driver's license, and a complete Washington State 5-year Driving Abstract from the Dept. of Licensing (to be provided before a final offer).

It Would Be Great if You Also Bring:

• Experience working in active treatment plants and pump stations and/or industrial facilities.
• Familiarity with setting large pumps.

Supplemental Information

Work Location: 2500 West Jameson Street Seattle, WA 98199
Work Schedule: This full-time position works a 40-hour work week. This position is non-exempt from the overtime provision of the Fair Labor Standard Act (FLSA) and is overtime eligible. You will be required to work when contractors are on-site.
Working Conditions: Work is performed mainly in the field at wastewater treatment facilities of various types throughout King County. These sites may not be served by public transit. There will be frequent entry into hazardous confined spaces to perform work that may require the individual to work bent over while walking through small pipelines or other confined spaces. Inspection work requires entry into live sewer pipelines and structures. Live sewer pipelines and structures contain domestic, commercial, and industrial waste including medical waste and a variety of industrial solvents. Exposure to raw sewage, blood borne pathogens, potentially hazardous chemicals, street traffic and electrical installations is part of the normal working condition. Unusual hazards, including explosive gases, toxic gases, and infectious, disease-producing micro-organisms may be present. Extensive driving is also required, and a vehicle is assigned to the position. Work pressure, disturbances of workflow and/or irregularities in work schedule is expected to occur.
Union Representation: This position is represented by Technical Employees' Association (TEA) - Wastewater Treatment Division,

Physical Requirements:

• The position requires lifting and carrying material and equipment, and occasional lifting of items weighing up to 100 lbs.
• Working in confined spaces and live sewer pipelines may require walking in a bent over position for long distances.
• Capable and willing to use personal safety equipment such as respirators and self-contained breathing apparatus (SCBA), if required
• Ability to traverse active construction sites and operating treatment/conveyance facilities.

Application Instructions:
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.

Anticipated Timeline for this recruitment: (subject to change)

• Tentative Interviews - Week of 12/07

To apply, submit a:

• Complete Application
• Cover Letter

Note: Additional documents won't be considered during minimum qualification screening.

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Are you ready to make a difference 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 Helen David at Hdavid@kingcounty.gov.