County of San Diego Department of Public Works Plant Process Control Supervisor

Published date: November 6, 2025

Future Salary Increases

** July 2026 – 4.6% increase to base pay  (3.5% Across-the-Board + 1.10% Market Increase)
** July 2027 – 4.1% increase to base pay (3.0% Across-the-Board + 1.10% Market Increase) 

When you drive on county roads, fly from a neighborhood airport, or pull over for that snowplow on your way to Julian, you have interacted with our department. Your safety and convenience matter to us, and we make sure nearly 2,000 miles of roadways, bridges and guardrails, signs, traffic signals and crosswalks are ready for you, as well as the eight County airports we operate including McClellan-Palomar, Gillespie Field and Ramona.

Our vast network of sewage pipes and pump stations, flood channels and water detention facilities keep things flowing for you all year long. During storm events, we keep the channels and drains clear to minimize flooding.

Nearly all your county public infrastructure is designed, built, managed or operated by our team. We stand for safe communities, sustainable environments, and healthy families.

Plant Process Control Supervisors supervise the performance of complex electrical duties related to electro-mechanical equipment and control systems at wastewater and water treatment plants, and pumping facilities.

As a Plant Process Control Supervisor, you will coordinate and participate in design, modifications, and make programming and software improvements on computerized electrical system control and data acquisition operations required to interface with process control computers. This includes directing subordinate staff in the more difficult and complex aspects such as Programable Logic Controllers and Variable Frequency Drives and to perform related work.

 Please read the Plant Process Control Supervisor job description for more information. 

Hiring Process and Timeline: 

The timeline for this recruitment is outlined below.

1. Job Offer and Background Process begins: Shortly after the interviews. Note: Current County employees may be excluded from additional background screening.
2. Pre-employment Medical Screening: Approximately 3 days following successful background investigation results.
3. Anticipated Start Date: Start date will be based upon successful completion of medical screening or other mutually agreed upon date.

If you are not selected for this interview process, you may have the opportunity to compete for future vacancies.

1. Successful completion of a State accredited four-year minimum Electrician or Electronics Technician Apprenticeship Program, AND two (2) years of experience in all phases of work as a journey-level Electrician or Electronics Technician, which includes one (1) year of experience serving as a Plant Process Control Electrician, Instrumentation and Control Technician, or equivalent, within a Water or Wastewater Facility; OR,
2. Six (6) years of experience in all phases of work as a journey-level Electrician or Electronics Technician, which includes one (1) year of experience as a Plant Process Control Electrician, Instrumentation and Control Technician, or equivalent, within a Water or Wastewater Facility; OR,
3. An associate’s degree from an accredited U.S. college or university, or a certified foreign studies equivalency, in Electronics Technology, AND four (4) years of experience in all phases of work as a journey-level Electronics Technician, which includes one (1) year of experience serving as an Instrumentation and Control Technician within a Water or Wastewater Facility.

Notes