Instrumentation Process Control Supervisor

Pima County; United States; On-site; USD 72,000 - 101,000; Full time

Job summary

Pima County's Regional Wastewater Reclamation department seeks an Instrumentation Process Control Supervisor to lead the maintenance, installation, calibration and repair of SCADA systems, PLCs and associated instrumentation. The role focuses on improving operations, debugging automation and developing PLC programs.

Applicants should have a Bachelor’s degree in electronics technology instrumentation and process control with at least three years of related experience, including one year in a

Qualifications

• Bachelor's degree in electronics technology instrumentation and process control with 3+ years in related roles.
• One year of lead or supervisory experience or equivalent county experience.
• Experience with SCADA, PLCs, and instrumentation in industrial settings.

Responsibilities

• Supervises maintenance, installation, calibration and repair of SCADA, PLCs and instrumentation.
• Develops and implements PLC programs and operator SCADA displays.
• Reviews engineering drawings and specifications; supports upgrades and preventive maintenance.
• Trains and leads staff; ensures facility integrity and operational efficiency.

Skills

Supervisory experience

Process control knowledge

SCADA systems understanding

Diagnostics & troubleshooting

Education

Bachelor's degree in electronics technology instrumentation and process control

Tools

Wonderware

Ignition

Rockwell FactoryTalk

PLC programming (Ladder Logic, Structured Text)

Modbus/OPC networks

Job description

Job Description Summary Department - Regional Wastewater Reclamation

Job Description OPEN UNTIL FILLED

Job Type: Classified

Job Classification: 5349 - Instrumentation Process Control Supervisor

Salary Grade: 15

Pay Range: $72,009 - $86,403 Annually

Hiring Range: $72,009 - $100,817 Annually

Range Explanation: Hiring Range is an estimate of where you can receive an offer. The actual salary offer will carefully consider a wide range of factors, including your skills, qualifications, experience, education, licenses, training, and internal equity. Pay Range is the entire compensation range for the position.

The first review of applications will be on 09/25/2026.

Essential Functions

• 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.

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. (Relevant experience and/or education from an accredited college or university may be substituted.) OR: 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.

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.

Select Procedure

Pima County Human Resources Department reserves the right to admit to the selection process only those candidates that meet the minimum qualifications. All applications will be assessed based on an evaluation of the listed education and experience. Candidates meeting the minimum 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.

Supplemental Information

• Licenses and Certificates: Valid driver license is required at time of application. Valid AZ driver license is required at time of appointment. The successful applicant will be subject to a 39-month DOT Motor Vehicle Record review to determine applicant’s suitability to operate county vehicles in accordance with Pima County administrative procedures. Failure to obtain and maintain the required licenses and certifications shall be grounds for termination. Any offer of employment resulting from this recruitment is contingent upon Fleet Services’ review and approval of the candidate’s driving record.
• Special Notice Items: Some positions may require satisfactory completion of a personal background investigation by the court or law enforcement agencies, due to the need for access to County Attorney and Court facilities, records, and communication systems. The County requires pre-employment background checks. Successful candidates will receive a post-offer, pre-employment background screening to include verification of work history, education, and criminal conviction history. A prior criminal conviction will not automatically disqualify a candidate from employment with the County. Pima County determines whether a position is eligible for visa sponsorship at the time of recruitment. Eligibility is based on the requirements of the position and applicable laws and regulations. Not all positions with Pima County are eligible for visa sponsorship. This position will require a post-job offer physical and/or drug screen.
• Physical/Sensory Requirements: Some positions may require the ability to: work with or in the presence of noxious odors; work with noxious or potentially hazardous chemicals, compounds or wastewater products. Safety equipment will be provided by Pima County. Action Activity - bending, climbing, crawling, kneeling, reaching, squatting, and stooping; Motion Activity - grasping; Hearing Activity - in noisy areas on a radio, behind themselves; Speaking Activity - in person, on a phone, on a radio; Vision - must be able to operate a motor vehicle, operate a commercial vehicle, operate machinery, operate forklift/power industrial equipment, distinguish color, have depth perception, have peripheral vision. Frequently required to lift, push or pull objects weighing up to 75 pounds.

Working Conditions: Working conditions will be determined by position.

EEO Information

Pima County Government is an Equal Employment Opportunity employer. We are committed to an inclusive and diverse workforce and will not discriminate in employment opportunities or practices on the basis of race, color, religion, national origin, age, disability, gender, sexual orientation, kinship, political interest, or any other characteristic protected by law. Pima County stands out as an exceptional workplace, offering a supportive environment that fosters professional growth and personal satisfaction.

Company Culture & Benefits

As one of the largest employers in the region, Pima County prioritizes its commitment to creating a diverse and inclusive workplace, recognizing the unique contributions of each employee. Embracing innovation and collaboration, Pima County provides multiple opportunities in which individuals can make a meaningful impact on their community. One of the key advantages of working for Pima County is its comprehensive benefits package. Employees enjoy competitive salaries, generous health insurance coverage, and retirement plans that contribute to long-term financial security. Pima County recognizes the importance of a healthy work-life balance, offering flexible work schedules, a generous family leave policy and wellness programs that prioritize employee well‑well. Furthermore, Pima County takes pride in fostering a culture of continuous learning and development. Employees benefit from opportunities for professional advancement through training programs, workshops, and educational reimbursement programs. In addition, a County-wide employee recognition program rewards employees who exemplify the County values of being accountable, respectful and ethical as well as providing great customer service. By joining Pima County, individuals become part of a dedicated team working towards a common goal: enhancing the quality of life for residents and building a vibrant future. Pima County is not just an employer; it's a community that values its employees, encourages their growth, and invests in their success.