Salary : $86,073.73 - $109,103.70 Annually
Location : South Treatment Plant - 1200 Monster Road SW, Renton, WA
Job Type: Career Service (Exec)
Job Number:
Department: DNRP-Natural Resources & Parks
Division: Wastewater Treatment
Opening Date: 09/02/2026
Closing Date: 9/16/2026 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 is a great opportunity to apply your skills to solve real world problems to improve our regional wastewater infrastructure, water quality, the environment and public health. You will combine problem-solving, data collection & analysis, time management, planning and prioritization, communication, and collaboration knowledge, skills, and abilities to assist in performing wastewater conveyance system investigations, flow monitoring equipment maintenance and troubleshooting, collect, analyze, and communicate wastewater flow data and information used to support various conveyance system improvement and combined sewer overflow projects and programs. You will have the opportunity to work individually and as part of a team with a wide range of people throughout Wastewater Treatment division (WTD), with consultants and other governmental agencies.

About the Role

The primary functions of this position are to assist in conducting flow monitoring site investigations, portable flow meter installation, troubleshooting and maintenance of monitoring equipment, field data collection and data quality and accuracy verification, field reviews of flow data and related information, traffic control support, confined space entry safety support and wastewater conveyance system inspection and monitoring under the oversight of a senior field staff and a lead and will work both independently and as part of a Flow Monitoring & Analysis team.

These tasks are performed to support the existing system-wide flow monitoring program, and future small-to large-scale flow monitoring projects that provide efficient and effective flow data and information in support of King County WTD's Combined Sewer Overflow (CSO) Control Program, long-term Conveyance System Improvement (CSI) projects, regulatory reporting requirements, and construction and inspection activities within the WTD's Wastewater collection system.

About the Team:

The Flow Monitoring and Analysis (FM&A) Work Group performs monitoring of WTD's conveyance system to provide reliable flow data and information for the management and upgrade of the (wastewater conveyance) system. The Field Tech will work and collaborate with FM&A staff, project managers, planners, modeling staff, operations staff, and others to ensure useful, reliable flow data and information meet the capital and operating needs of WTD.

Some of the projects and efforts the FM&A work group supports include:

• Assess system capacity and Infiltration/Inflow issues and determine system needs for long-term planning for the management and upgrade of the WTD conveyance system.
• Perform Hydraulic Modeling and Calibration.
• Quantify CSOs for NPDES reporting to the Washington Department of Ecology (DOE).
• Understand and evaluate flow conditions in support of a wide range of WTD programs and projects including Sewer Heat Recovery, Mouth of Duwamish (MOD), and Conveyance System Improvements.
• Determine the timing and sizing of future facilities and to foster the efficient use of funds.
• Manage the system during peak and/or emergency storm or flow events including collaborating with local agencies (example - monitor UIC wells and SPU/KC M&M agreements).
• Support construction and O&M activities within the system.
• Works safely and comfortable in a live sewer environment.

Job Duties
What You Will Be Doing:

The successful candidate will perform and assist in fieldwork in accordance with all WTD and Flow Monitoring & Analysis group Safety standards and requirements, standard operating procedures, and quality work Instructions. Field work includes, but not limited to the following:

• Assist in flow monitoring site investigations. Assist in Preparing flow monitoring site inspection/investigation reports essential for documenting the condition of the flow monitoring sites
• Assist in the installation, troubleshooting, and maintenance of conveyance flow monitoring equipment
• Assist in the collection of data and review for accuracy; performing flow verification of flow monitoring sites to ensure the accuracy of the data collected
• Take detailed field notes and document work performed and results
• Maintain vehicle and equipment to ensure safety, mechanical soundness and productive operation
• Adhere to all safety procedures and King County/DNRP/WTD policies/procedures.
• Assist in Traffic Control/Flagging operations
• Provide assistance to other WTD Monitoring and Inspection programs as needed and as assigned

Experience, Qualifications, Knowledge, Skills

Qualifications You Bring:

• Good mechanical skills and manual dexterity, ability to use essential Hand and Power tools effectively, properly and safely, and willingness and ability to work outdoors and in conditions present in a sewer.
• Skill and ability to work effectively and collaboratively with a diverse group of individuals and group stakeholders, including co-workers, management and in handling difficult conversations.
• Attention to detail and ability to follow standard work processes and instructions and ability to organize and handle multiple tasks and meeting established deadlines.
• Self-motivated to maintain standards in their own work and the data standards of the group.
• Ability to use computers and applications including word processing, spreadsheets, databases, and data collection, analysis and presentation (or reporting) software.

Competencies You Bring:

• Tech Savvy: Anticipating and adopting innovations in business- building digital and technology applications.
• Interpersonal Savvy: Relating openly and comfortably with diverse groups of people.
• Communicates Effectively: Developing and delivering multi-mode communications that convey a clear understanding of the unique needs of different audiences.
• Action Oriented: Taking on new opportunities and tough challenges with a sense of urgency, high energy, and enthusiasm.
• Nimble Learning: Actively learning through experimentation when tackling new problems, using both successes and failures as learning fodder.

It Would Be Great If You Also Bring:

• Previous flow monitoring experience including site investigations, meter installation, field verification, and data collection.
• Ability to operate, troubleshooting and problem solve technical issues with measuring/monitoring equipment.
• Knowledge of sewer inspection, testing, monitoring, and operations and maintenance of a water or wastewater collection system.
• Knowledge of a Computerized Maintenance Management System (CMMS) such as Maximo.
• Knowledge of Geographic Information Systems such as ArcGIS.
• Training and certification in First Aid/CPR, Confined Space Entry, and Flagging/Work Zone Traffic Control.

Physical Requirements:

• This position requires the frequent lifting and carrying of inspection and monitoring equipment and the lifting of maintenance hole lids or covers and equipment that may weigh up to 100 lbs.
• There will be frequent entry into hazardous confined spaces to perform work that may require the individual to work bent over while walking through sewer pipelines or other confined spaces.
• Inspection work requires entry into live sewer pipelines and structures

Workplace Exposure:

• Working in a wastewater treatment environment with exposure to some wastewater pathogens and contaminants and chemicals.
• Live sewer pipelines and structures contain domestic, commercial and industrial wastes including medical wastes 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.
• Employees in this position are issued appropriate safety equipment and provided training for all applicable safety procedures.
• Employees in this position are expected to use all appropriate safety equipment and follow all applicable safety procedures at all times

Required Licenses/Certifications:

• A valid Washington State Driver's License

Supplemental Information
Working Conditions:

• Onsite Work Details: South Treatment Plant - 1200 Monster Rd SW, Renton, WA 98057.
• Requirement: Employees must reside in Washington State and be within a reasonable distance to King County worksites to meet onsite reporting requirements.
• 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 Technical Employees' Association (TEA) - Wastewater Treatment Division.

Application Instructions:
We welcome applications from all qualified candidatesWe 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):

• Technical Vetting Interview - week of September 28th, 2026 (tentative)
• Panel interviews (50 minutes) - week of October 12th, 2026 (tentative)
• Field Visit/2nd Round Interviews - TBD

To apply, submit a:

• Complete Application
• Resume
• Cover Letter
• Responses to the supplemental questions
• Note: Additional documents won't be considered during minimum qualification screening.

Discover More About the Wastewater Treatment Division: Visit our websiteand check us out atFacebook,,, YouTubeand our WTD Blog

Discover More about DNRP: Visit our website, explore an interactive map of our recent accomplishments and check us out at Facebook, (formerly Twitter), LinkedIn, TikTok, Instagram, YouTubeand Keeping King County Green News

Sign up for 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? 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 Emiliya Makaryan at