Tucson, City of: Instrumentation & Control Technician

Posted: July 8, 2026 | Closing: August 31, 2026 at 11:59 PM

About the role

Under general supervision, performs journey-level technical work in the installation, maintenance, repair, calibration, and troubleshooting of a wide variety of electronic, electrical, and mechanical instrumentation and control systems used in water, wastewater, and reclaimed water treatment and distribution facilities, lift stations, and related City infrastructure.

Responsibilities

• Installs, maintains, repairs, calibrates, and troubleshoots instrumentation and control systems, including but not limited to: programmable logic controllers (PLCs), supervisory control and data acquisition (SCADA) systems, variable frequency drives (VFDs), motor control centers (MCCs), flow meters, pressure transmitters, level sensors, analytical instruments, and related equipment.
• Performs preventive and predictive maintenance on instrumentation and control systems to ensure optimal performance and reliability.
• Diagnoses and resolves complex technical problems related to instrumentation and control systems, utilizing advanced troubleshooting techniques and test equipment.
• Interprets and works from blueprints, schematics, wiring diagrams, technical manuals, and other technical documents to perform installation, maintenance, and repair tasks.
• Programs, configures, and modifies PLCs, SCADA systems, and other control devices using specialized software and programming languages.
• Collaborates with engineers, electricians, mechanics, and other technical staff to coordinate work activities and ensure seamless integration of instrumentation and control systems.
• Maintains accurate records of maintenance activities, repairs, and system modifications using computerized maintenance management systems (CMMS) and other documentation tools.
• Ensures compliance with all applicable safety regulations, industry standards, and City policies and procedures.
• Provides technical guidance and training to less experienced staff as needed.
• Participates in the evaluation, selection, and implementation of new instrumentation and control technologies to improve system efficiency and reliability.
• Responds to emergency calls and provides on-call support for instrumentation and control system failures outside of normal business hours.
• Performs related duties as assigned.

Requirements

• High school diploma or equivalent; supplemented by vocational or technical training in electronics, instrumentation, or a related field.
• Four (4) years of journey-level experience in the installation, maintenance, repair, and calibration of electronic, electrical, and mechanical instrumentation and control systems.
• Possession of a valid Arizona driver's license.
• Certification as a Certified Control Systems Technician (CCST) or equivalent is highly desirable.
• Experience with programmable logic controllers (PLCs), supervisory control and data acquisition (SCADA) systems, and variable frequency drives (VFDs).
• Knowledge of electrical and electronic principles, including analog and digital circuits, motor controls, and industrial automation.
• Familiarity with industrial communication protocols such as Modbus, Profibus, DeviceNet, and Ethernet/IP.
• Ability to read and interpret blueprints, schematics, wiring diagrams, and technical manuals.
• Proficiency in using specialized software for programming and configuring PLCs, SCADA systems, and other control devices.
• Strong troubleshooting and problem-solving skills, with the ability to diagnose and resolve complex technical issues.
• Excellent communication and interpersonal skills, with the ability to work effectively in a team environment.
• Physical ability to perform tasks in various environmental conditions, including climbing ladders, working in confined spaces, and lifting heavy objects.
• Ability to obtain and maintain any required certifications or licenses, such as a confined space entry permit or electrical safety certification.

Benefits

• Comprehensive health, dental, and vision insurance plans.
• Retirement plans, including the Arizona State Retirement System (ASRS) and a 457 deferred compensation plan.
• Paid time off, including vacation, sick leave, and holidays.
• Employee assistance program (EAP) and wellness initiatives.
• Tuition reimbursement and professional development opportunities.
• Uniforms and personal protective equipment (PPE) provided.

Pay

$26.45 - $36.95 hourly

Schedule

• Full-time position.
• Typically works Monday through Friday, with occasional overtime, weekends, and on-call duties as required.