Water Quality Control Systems Technician

Continuous filing exam. Next filing cut-offs are at 5:00 pm on: 10/21/26, 11/4/26, 11/18/26 (final).

About the role

The class of Water Quality Control Systems Technician is the journey level class in this series, and, under general supervision, maintains and repairs pneumatic, chemical, electric, and electronic components, analog and digital networks and systems, analysis equipment, computer control equipment’s including computers and computer peripherals, and telemetry equipment used in process instrumentation and control systems.

Responsibilities

• Maintain and repair pneumatic, chemical, electric, and electronic components
• Maintain and repair analog and digital networks and systems
• Maintain and repair analysis equipment
• Maintain and repair computer control equipment including computers and peripherals
• Maintain and repair telemetry equipment used in process instrumentation and control systems

Knowledge

• Analog and digital system fault diagnostic techniques and procedures
• Principles underlying the construction and use of scientific instruments
• Principles of chemistry and physics
• Electronic and electrical high and low voltage circuits
• Methods, practices and equipment used in maintaining, repairing, testing, and adjusting electro‑mechanical, pneumatic, electronic and other types of recording, control, and measuring instruments
• Safety practices necessary for the work

Abilities

• Read and interpret analog equipment schematics, analog system network diagrams, plans, blueprints, and electrical wiring diagrams
• Read and interpret recording charts, gauges, and other instruments
• Learn the operation of special purpose scientific measuring devices and correct malfunctions and sources of error
• Work with hand tools and test instruments
• Work and communicate with operations and maintenance personnel
• Keep records
• Present data
• Prepare reports
• Read, write and speak the English language at a level required for successful job performance
• Respond to emergency calls
• Work day, swing, or graveyard shifts

Qualifications

Any combination equivalent to experience and education or training that could likely provide the required knowledge and abilities would be qualifying. A typical way to obtain the knowledge and ability for this class would be:

• Permanent status in the class of Instrument Technician in Sacramento County service.
• Or:
  1. An AA or AS technology degree dealing with instrumentation, computers, or electronics, or 30 college‑level semester units in instrumentation, computers or electronics.
  2. And two years of full‑time experience in the operation, maintenance, and repair of industrial instrumentation, control or communication system components involving the application of physical, chemical, and electronic principles, at least one year of which shall have dealt with the maintenance of digital equipment.

Education substitution: Additional qualifying education in instrumentation, computers, or electronics may be substituted for a maximum of one year of the general experience on the basis that three (3) semester units equal one (1) month of experience.

Note: If the word “experience” is referenced in the minimum qualifications, it means full‑time paid experience unless the minimum qualification states that volunteer experience is acceptable. Part‑time paid experience may be accumulated and pro‑rated to meet the total experience requirements.

Note: If the minimum qualifications include an educational or certificate/license requirement, applicants must submit proof of requirements with the application. Failure to submit proof of requirements may result in disqualification from the examination. Unofficial transcripts are acceptable.

License Required

Possession of a valid California Driver License, Class C or higher, will be required prior to appointment. Failure to maintain a valid California Driver License, Class C or higher, constitutes cause for termination from the class in accordance with Civil Service Rule 11.4.

Physical Requirements

• Ability to work while standing on a ladder.
• Ability to work while standing on a platform elevated over twenty (20) feet above ground.
• Ability to lift 50‑p