Tucson Water Plant 1 - Control Systems Building 11 On-site Full-time $24.16 - 36.24

City of Tucson is hiring an Instrumentation and Control Technician

About the Role

The Instrumentation and Control Technician at the City of Tucson’s Water Department is responsible for installing, maintaining, calibrating, troubleshooting, and repairing electronic, mechanical, and pneumatic instruments and control systems used in water distribution and production. This role ensures reliable operation of SCADA, PLC, and telemetry systems, with work performed under supervision and involving both indoor and outdoor environments under varying conditions.

What You'll Do

  • Installs, maintains, calibrates, troubleshoots, and repairs electronic, mechanical, and pneumatic instruments and control systems.
  • Maintains instrumentation and control devices including flow meters, pressure transducers, level sensors, water quality monitors, chemical analyzers, and remote communications systems.
  • Performs routine maintenance and preventative checks on equipment to ensure optimal performance and reliability.
  • Calibrates instruments to ensure accurate readings.
  • Conducts functional tests on PLC control systems, water quality sensors, and telemetry data.
  • Documents all test and maintenance results within maintenance management systems to maintain compliance and operational standards.
  • Diagnoses malfunctions in instrumentation, Programmable Logic Controller (PLC) control systems, Ladder Logic software, and radio communications.
  • Identifies faulty components and performs necessary repairs, replacements, or software updates to restore functionality and minimize downtime.
  • Interacts with Supervisory Control and Data Acquisition (SCADA) systems to monitor water distribution and production operations.
  • Analyzes system data to identify potential issues, ensure data accuracy, and verify control parameters to optimize performance.
  • Utilizes data insights to diagnose problems and improve operational efficiency.
  • Maintains detailed records of maintenance activities, calibrations, repairs, and system performance.
  • Ensures adherence to safety protocols and regulations related to handling chemicals, electrical systems, and work in confined spaces within water treatment facilities.
  • Performs all other duties and tasks as assigned.

What We're Looking For

  • Associate’s degree
  • Two (2) years of relevant experience
  • Valid and unrestricted Arizona Class D Driver’s license
  • Any combination of relevant education and experience may be substituted on a year-for-year basis
  • Must submit a completed application with updated resume and cover letter by the closing date
  • Cover letter must respond to eight specified questions
  • Must pass a written examination on electrical theory, Ladder Logic, PLCs, and communication equipment
  • Must be present for the written exam; no rescheduling or additional test sessions
  • Must pass pre-employment medical testing including a basic physical exam and 50lb lift test
  • Must have open availability and be willing to work weekends, evenings, and on-call hours
  • Must be able to travel to all Tucson Water sites, including remote locations
  • Must be able to work in various weather conditions and both indoor and outdoor environments
  • Must be a U.S. Citizen or lawfully authorized non-U.S. Citizen
  • Must provide employment eligibility verification

Nice to Have

  • Experience in Electrical Systems or Equipment Repair and Service
  • Electronic or Instrumentation training from a recognized trade or technical school, or equivalent military training
  • Experience in maintaining, repairing, troubleshooting instrumentation and control systems
  • Three (3) or more years of experience working with instrumentation and controls
  • Experience in programming and configuring PLCs and software for Human-Machine Interface (HMI)/PLC systems
  • Hands-on experience with pressure transmitters, flow meters, analytical instrumentation, level transmitters, and Fluke process meters
  • Experience interpreting wiring diagrams, schematic drawings, and P&ID (Piping and Instrumentation Diagram) drawings

Technical Stack

  • Programmable Logic Controllers (PLCs)
  • Ladder Logic
  • Supervisory Control and Data Acquisition (SCADA)
  • Human-Machine Interface (HMI)
  • Telemetry systems
  • Piping and Instrumentation Diagrams (P&IDs)
  • Wiring diagrams
  • Schematic drawings
  • Fluke process meters
  • Pressure transmitters
  • Flow meters
  • Level transmitters
  • Analytical instrumentation
  • Water quality sensors
  • Radio communications

Team & Environment

Reports to the Electronics Technician Supervisor.

Benefits & Compensation

  • Medical insurance coverage
  • Dental insurance coverage
  • Vision insurance coverage
  • Life insurance coverage
  • Disability insurance coverage
  • Flexible Spending Account (FSA) coverage
  • Rich pension plan
  • Optional Roth deferred compensation savings
  • Optional pretax deferred compensation savings
  • Paid time off providing 38 paid days off in the first year
  • Paid time off increases in subsequent years
  • Twelve weeks of paid parental leave
  • Paid tuition reimbursement
  • Student loan repayment assistance
  • Off-the-job training
  • On-the-job training
  • Employee resource groups
  • Paid volunteer hours

Compensation range: $24.16 - $36.24 USD per hour. The City of Tucson considers several factors when extending an offer, including role responsibilities, work experience, education/training, key skills, and internal equity.

Work Mode

This is an onsite position requiring presence at Tucson Water sites, including remote locations. Must have open availability, including weekend, evening, and on-call hours.

The City of Tucson is an Equal Opportunity/Affirmative Action/Veterans/Disability Employer and does not discriminate based on race, color, religion, sex (including sexual orientation, gender identity, and pregnancy), national origin, veteran status, age, disability, genetic testing, or any other protected status. The City of Tucson is a Second Chance Employer.

Required Skills
Programmable Logic Controllers (PLCs)Ladder LogicSupervisory Control and Data Acquisition (SCADA)Human-Machine Interface (HMI)Telemetry systemsPiping and Instrumentation Diagrams (P&IDs)Wiring diagramsSchematic drawingsFluke process metersPressure transmitters Programmable Logic Controllers (PLCs)Ladder LogicSupervisory Control and Data Acquisition (SCADA)Human-Machine Interface (HMI)Telemetry systemsPiping and Instrumentation Diagrams (P&IDs)Wiring diagramsSchematic drawingsFluke process metersPressure transmitters
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About company
City of Tucson
City Organization The City of Tucson, founded in 1775 and incorporated in 1877, is a City Manager-led Mayor and Council government organization comprised of over 5,000 dedicated employees. Tucson Community The City of Tucson is recognized as a Top 20 “Best City in America” by Resonance Consultancy. Tucson, Arizona, is a thriving center for bioscience, aerospace/defense, optics, mining, and logistics. With a city population of more than 540,000 and a regional population of more than 1 million, Tucson has 330-plus days of sunshine a year and is surrounded by majestic mountain ranges. A small-town feel with big-city amenities complements its natural beauty. You can learn more about Tucson, Arizona, at Visit Tucson, Arizona. For system related questions please contact recruitment@tucsonaz.gov. For general Human Resources questions please contact 520-791-4241​.
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Job Details
Department Water Utility
Category embedded
Posted 12 days ago