Industrial Instrument HVAC Technician - South Treatment Plant
Listed on 2026-09-26
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Trades / Skilled Labor
HVAC Tech / Heating Engineer, Maintenance Technician / Mechanic
This is a transfer opportunity, and first consideration is given to qualified transfer-eligible employees in the same classification. If no qualified transfer-eligible candidate is selected, external applicants will be considered.
This recruitment will hire for 1 position. In addition to the current opening, this recruitment may be used to establish a pool of qualified candidates to fill future Industrial Instrument HVAC Technician - South Treatment Plant Career Service vacancies within the Wastewater Treatment Division over the next 6 months.
The Instrument/HVAC Crew is an integral part of the maintenance group, and along with operations, our focus is the treatment of wastewater. We protect public health and enhance the environment by collecting and cleaning wastewater while recovering valuable resources for a healthy Puget Sound region.
About the RoleThe King County Wastewater Treatment Division (WTD) has staffing needs for experienced and technically proficient Industrial Instrument/ HVAC Technician. The responsibilities of this classification include all related HVAC/R, building, and mechanical chiller systems. Performing a wide variety of highly skilled technical journey level duties to design, construct, maintain, troubleshoot, repair, and modify computerized systems, electrical, electronics, pneumatics, and hydraulics related to the HVAC instrumentation and equipment.
Aboutthe Team
The Wastewater Treatment Division is committed to the principles of equity and social justice. We value diverse perspectives and life experiences in our workforce and are committed to building a culturally diverse and inclusive environment. WTD strives to provide equitable services to residents and businesses across King County. This is an opportunity to use your skills and expand your technical abilities working with a group of Instrument Techs, HVAC technicians and Electricians that support South Treatment plant, Carnation treatment plant, Vashon treatment plant as well as all the East section conveyance pump stations and regulators.
We work in a fast-paced industrial environment with a large variety of systems and equipment that are critical to the success of our mission.
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 an Industrial Instrument Technician, you will actively apply these principles in all aspects of your work.
Learn more about our commitment at http://(Use the "Apply for this Job" box below)..
Enjoy training, comprehensive benefits, and growth opportunities.
What You Will Be Doing:- Troubleshoot, repair, and maintain all plant Heating, Ventilation, Air Conditioning, and Refrigeration Systems. Including all Water-Cooled Chillers, reciprocating and screw type compressors package units with different tonnage configurations.
- Install, troubleshoot and repair distributed and supervisory control systems (DCS/SCADA), programmable logic controllers (PLCs) and single loop controllers (SLC's);
Apply electronic theory, digital electronics, and proportional integral derivative (PID) control strategies to implement program changes to DCS/SCADA and PLCs. - Analyze industrial processes in troubleshooting and repair of process control instrumentation. Design new controls and implement modifications to existing control systems. Update technical and process documentation, Work with operations personnel, engineers, and suppliers to explain the function of processes and procedures needed for the operation of new equipment.
- Make recommendations on purchasing and inventory requirements for all HVAC and or Instrument related equipment and determine appropriate inventory of spare parts for HVAC and Instrumentation.
- Assist in inspection of instrumentation installed by contractors as well as witnessing and assessing loop commission testing. Review, modify and update drawings to conform with established plant standards.
- Make recommendations on purchasing spares and inventory requirements for all HVAC and or Instrument related equipment.
- Ability to recover and reuse different types of refrigerants using HVAC/R testing and recovery equipment while following EPA guidelines.
- Knowledge of the principles and techniques of…
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