JOB DESCRIPTION SUMMARY

Department - Regional Wastewater Reclamation

MINIMUM 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, programmable logic controllers (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.
OR:

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.

Preferred Qualifications : (Be specific in describing your experience in your application. Ensure the descriptions provided illustrate your competencies, specifically addressing the required and preferred qualifications.)

• Minimum three (3) years experience installing, programming, configuring, maintaining, troubleshooting, and repairing instrumentation and PLC systems.
• Minimum three (3) years experience in process control and instrumentation technologies, including calibration of flow meters, sensors, and analyzers.
• Minimum three (3) years experience programming and commissioning PLCs (Ladder Logic, Structured Text, Function Blocks) and OITs, particularly Rockwell systems.
• Minimum three (3) years experience with SCADA platforms such as AVEVA System Platform, InTouch, Ignition, or VTScada.
• Minimum three (3) years experience reading panel drawings, electrical schematics, and P&IDs.
• Minimum three (3) years experience with RF/telemetry, networked radios, and microwave communication systems.
• Minimum three (3) years experience leading preventative maintenance programs and process control system upgrades.
• Experience optimizing processes, troubleshoot control system issues, and problem-solving.

Selection Procedure :
Pima County Human Resources Department reserves the right to admit to the selection process only those candidates that meet the minimum/desired qualifications. All applications will be assessed based on an evaluation of the listed education and experience. Candidates meeting the minimum/desired qualifications may be further evaluated/scored against any advertised Preferred Qualifications. The hiring authority will interview and select the successful candidate from a referral list provided by Human Resources. Additional assessments/testing may be required as part of the selection process .

As defined under the Americans with Disabilities Act, this classification may include any of the following tasks, knowledge, skills, and other characteristics. This list is ILLUSTRATIVE ONLY and is not a comprehensive listing of all functions and tasks performed by incumbents of this class. Work assignments may vary depending on the department’s needs and will be communicated to the applicant or incumbent by the supervisor.

• 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 installations of electronic instrumentation, computers, and metering devices for the wastewater treatment facilities;
• Monitors warranty repair and services contracts for county-owned equipment;
• Troubleshoot problems and take 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 time, and streamline work processes;
• Modifies process control systems and prepares schematic diagrams to reflect changes;
• Document work performed;
• Develops and implements PLC programs and operator SCADA workstation displays;
• Assist in the review of engineering drawings and specifications;
• Utilize programming languages like Python, C++, Ladder logic, and scripting languages (VBScript, JavaScript) used for automation and customization of SCADA systems;
• Support maintenance of SCADA platforms such as Wonderware, Ignition, and Rockwell FactoryTalk;
• Maintain and support the network and devices communication protocols like Modbus, OPC, DNP3, Ethernet/IP, BACnet, and Profibus for interfacing SCADA with field devices;
• Maintain and integrate SCADA with PLCs, RTUs, and Distributed Control Systems (DCS) for seamless automation.