Lead Instrumentation & SCADA Control Supervisor

Pima County; Tucson (AZ); On-site; USD 72,000 - 101,000; Full time

Job summary

Pima County seeks an experienced Instrumentation Process Control Supervisor to lead maintenance, calibration, and repair of SCADA, PLCs, and associated instrumentation at the regional wastewater facilities. The role focuses on developing SCADA plans, supervising technicians, and ensuring system integrity across county facilities.

The successful candidate will oversee PLC programming, system upgrades, debugging, and integration with DCS, while upholding safety and efficiency standards in a

Qualifications

• Bachelor’s Degree from an accredited college or university in electronics technology instrumentation and process control AND three years of experience in the repair, programming or maintenance of process control systems, PLC, SCADA system displays, or similar instrumentation in an industrial or environmental setting INCLUDING one year of lead or supervisory experience which may be concurrent with general experience.
• Three years of experience with Pima County in an Instrumentation Process Control Coordinator II or closely related position as determined by the department head at the time of recruitment.
• Qualifying education and experience must be clearly documented in the “Education” and “Work Experience” sections of the application. Do not substitute a resume for your application or write “see resume” on your application.

Responsibilities

• Supervises the maintenance, installation, calibration, and repair of a variety of electronic instrumentation, metering devices, electrical equipment, process control Supervisory Control and Data Acquisition (SCADA) system, PLCs and operator SCADA workstation displays
• Supervises routine diagnostics and component-level repair and electrical and pneumatic test equipment
• Assists in the preparation of preliminary and long-range SCADA plans
• Evaluates automatic process control equipment for its ability to meet the operational needs of the county’s wastewater treatment facility systems
• Inspects new and existing installation of electronic instrumentation, computers and metering devices for the wastewater treatment facilities
• Monitors warranty repair and services contracts for county-owned equipment
• Troubleshoots problems and takes action to ensure facility integrity
• Completes the more difficult installation of process control systems, calibration and repair jobs
• Demonstrates continuous effort to improve operations, decrease turnaround times and streamline work processes
• Modifies process control systems and prepares schematic diagrams to reflect changes
• Documents work performed
• Develops and implements PLC programs and operator SCADA workstation displays
• Assists in the review of engineering drawings and specifications
• Utilizes programming languages like Python, C++, Ladder logic, and scripting languages (VBScript, JavaScript) used for automation and customization of SCADA systems
• Supports maintenance of SCADA platforms such as Wonderware, Ignition, Rockwell FactoryTalk
• Maintains and supports the network and device communication protocols like Modbus, OPC, DNP3, Ethernet/IP, BACnet, and Profibus for interfacing SCADA with field devices
• Maintains and integrates SCADA with PLCs, RTUs, and Distributed Control Systems (DCS) for seamless automation.

Skills

Programming languages: Python

Programming languages: C++

Ladder logic

Scripting languages: VBScript

Scripting languages: JavaScript

SCADA knowledge

PLC programming

Rockwell systems knowledge

Automation & control systems

Education

Bachelor’s Degree in electronics technology instrumentation and process control

Three years experience in process control systems/PLC/SCADA

Tools

SCADA platforms: AVEVA System Platform

SCADA platforms: InTouch

SCADA platforms: Ignition

SCADA platforms: VTScada

Rockwell PLCs

Job description

Pima County seeks an experienced Instrumentation Process Control Supervisor to lead maintenance, calibration, and repair of SCADA, PLCs, and associated instrumentation at the regional wastewater facilities. The role focuses on developing SCADA plans, supervising technicians, and ensuring system integrity across county facilities.

The successful candidate will oversee PLC programming, system upgrades, debugging, and integration with DCS, while upholding safety and efficiency standards in a