The King County Wastewater Treatment Division (WTD) has staffing need for experienced and technically proficient Industrial Instrument Technician.  

The responsibilities of this classification include performing a wide variety of highly skilled technical journey level duties to design, construct, maintain, troubleshoot and modify computerized systems, electrical, electronics, pneumatics, hydraulics and related instrumentation. 

WORK SCHEDULE:  The treatment plants are operated 24/7.  This position works a 4 day/10 hours per day schedule. Candidates must be available to work any assigned schedule, and be able to work in emergency situations and be part of an on-call standby rotation. This position is covered under the provisions of the Fair Labor Standards Act (FLSA) and is overtime eligible. 

• Troubleshoot, repair and maintain all plant computer, electronic, pneumatic and hydraulic instrumentation control systems.
• 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 PLC.
• 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 instrument related equipment and determine appropriate inventory of spare parts for instrumentation.
• Review or modify blueprints and shop drawings to conform with established plant standards. Assist in inspection of instrumentation installed by contractors. Witness and assess loop commission testing.
• Provide on-the-job training for assigned staff. 
• Perform preventative maintenance on all instrumentation, processing, monitoring and control equipment.  Test, diagnose, calibrate and maintain telemetry systems.

• Knowledge of the principles and techniques of instrumentation and electronics (typically found in a four year apprenticeship program, two years of college level training or an equivalent combination of education and work experience). Demonstrated work experience (three years) in a journey level industrial instrumentation or related field such as electronics. 

• Knowledge of the application of physics and chemistry techniques and principles; Knowledge of the application of mathematical techniques and principles including algebra, trigonometry and geometry for performing duties of this classification.

• Knowledge of the installation, configuration, and maintenance of analyzers/sensors, control system computers, single loop controllers, signal converters, distributive and supervisory control systems, detection equipment/sensors, fuses, indicators, isolators, programmable logic controllers, pneumatic equipment, process control equipment, receivers, recorders, relays, rotometers, flow transmitters, level transmitters, pressure transmitters, temperature transmitters, signal conditioning equipment, small motors, switches, tachometer generator, thermocouples, Resistance Temperature Device (RTD’s), transformers, control valves, pneumatic and electric actuators and positioners

• Knowledge of Proportional Integral Derivative( PID) control loops including single loop controllers and configuration. Knowledge of soldering techniques and principles

• Knowledge of the techniques necessary to analyze industrial processes for the design, modification, troubleshooting and repair of plant control instrumentation 

• Knowledge of test equipment such as but not limited to Oscilloscope, tachometer, fixed and portable power supplies, analog and digital multimeters, voltage testers, pressure simulator, capacitance tester, temperature tester, decade box, frequency generator, gas analyzer, signal generator, pneumatic calibrator, electronic hand held calibrator.

• Knowledge of the application of safety techniques associated with power and hand tools. Knowledge of basic electrical, electronic, pneumatic and hydraulic safety procedures and proper procedures for working safely in hazardous environments, handling of hazardous materials and Material Safety Data Sheets (MSDS).

• Demonstrated skill in troubleshooting equipment malfunctions or failures using limited to no documentation.

• Knowledge of the application of Instrument Society of America (ISA) standards in designing or modifying, instrumentation loops, Piping and Instrumentation drawings (PID), control schematics and Programmable Logic Controllers ( PLC ) and ladder logic diagrams

• Skill in utilizing a computer and associated software applications including word processing, spreadsheets, databases, single loop controller (SLC) and programmable logic controllers (PLC). Working knowledge of Supervisory Control and Data Acquisition (SCADA) and/or Distributed Control Systems (DCS) including networking and interconnect protocols.

• Communication skills

Licensing, Certification and Other Requirements

• Washington State Driver’s License

• Completion of an apprenticeship program, or two years of technical schooling and/or the equivalent related experience

• The position requires the ability to work all shift schedules and required to report to work during adverse and inclement weather conditions

• 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, work in confined spaces, climb in and out of tanks using ladders, and work around noxious odors and high noise levels
  
  
  
  

Application and Selection Process: Application materials will be screened for clarity, completeness including online application, cover letter and resume, and responsiveness to the list of qualifications, skills, and abilities. The most competitive candidates may be invited to participate in one or more panel interviews. Applications without the following required materials may not be considered for this position.

• King County Application
• Responses to supplemental questions

• submit proof of vaccination, or
• have an approved request for medical or religious exemption and an approved accommodation. Philosophical, political, scientific, or sociological objections to vaccination will not be considered for an exemption or accommodation.