Instrumentation & Control Technician - Wastewater

City of Oxnard • Oxnard, CA

4d • Onsite

About The Position

The City of Oxnard's Wastewater Division is seeking a skilled and motivated Instrumentation & Control Technician to join our Maintenance team. This position plays a critical role in ensuring the reliable operation of the City's wastewater treatment and collection systems by maintaining, troubleshooting, and repairing instrumentation, control systems, supervisory control and data acquisition (SCADA) systems, and related electrical equipment. Working collaboratively with Maintenance, Operations, and Collections staff, the Instrumentation & Control Technician reports to the Wastewater Electrical Supervisor and contributes to the safe, efficient, and continuous operation of essential public infrastructure.

Requirements

• High School Diploma or GED
• The equivalent of three (3) years of progressively responsible experience in the installation, maintenance, and repair of electrical, electronics and instrumentation equipment and circuits found in wastewater treatment plants and related facilities, including two (2) years of journey-level experience
• Valid California Class C Driver’s License with a satisfactory driving record.
• Must be able to effectively communicate in English, both orally and in writing

Nice To Haves

• California Water Environment Association (CWEA) Grade I Electrical Instrumentation Technician Certification within eighteen (18) months.
• Journey-level technical training in electronics, instrumentation and controls, and electricity
• Cradlepoint Certified Network Associate Certification
• Ignition Core or Gold Certification

Responsibilities

• Install, calibrate, troubleshoot, repair, and maintain process instrumentation, including flow meters, level transmitters, pressure sensors, pH analyzers, turbidity meters, dissolved oxygen analyzers, and gas detection systems.
• Maintain, configure, and troubleshoot PLC, HMI, SCADA, and telemetry systems used to monitor and control wastewater treatment processes.
• Perform preventive and corrective maintenance on instrumentation, control systems, and associated equipment to maximize reliability and regulatory compliance.
• Diagnose and resolve instrumentation, automation, and industrial communication system failures affecting plant operations.
• Conduct loop checks, functional testing, commissioning, and system validation during equipment startups, shutdowns, upgrades, and capital improvement projects.
• Install, inspect, and repair control panels, relays, VFDs, actuators, motor control centers (MCCs), instrumentation wiring, and lift station control systems.
• Troubleshoot and maintain industrial communication networks and signal systems, including 4–20 mA, discrete I/O, Modbus, Ethernet/IP, and remote monitoring equipment.
• Read and interpret P&IDs, electrical schematics, wiring diagrams, control narratives, and loop drawings to support installation and troubleshooting activities.
• Document calibrations, inspections, repairs, and maintenance activities in the city’s Enterprise Asset Management (EAM) system and maintain records required for regulatory compliance.
• Coordinate with operations, maintenance, engineering, and contractors to support safe, efficient, and uninterrupted plant operations.
• Participate in capital improvement and modernization projects by providing technical support for the installation, integration, and commissioning of new process control equipment.
• Exercise computer proficiency and organizational skills, with the ability to manage multiple priorities, maintain accurate records, and work efficiently in a deadline-driven environment.
• Install, maintain, troubleshoot, calibrate, and repair facility security camera (CCTV) systems and associated monitoring equipment.
• Perform other related duties as assigned to support departmental and organizational objectives.
• Performs highly skilled electronic, electronic pneumatic, and instrumentation maintenance and repair and construction duties at a wastewater treatment plant, including operation of SCADA system, lift station telemetry, security camera system, and telephone/communication system.
• Assembles, installs, and repairs electronic and instrumentation circuits, transformers, switches, control panels, pneumatic and electronic components of telemetry systems.
• Assists in planning and scheduling preventive maintenance programs; develops and implements emergency situation plans; makes recommendations to improve efficiency and cost effectiveness.
• Maintains inventory of tools, equipment, and submits requests for materials and supplies; maintains instrument laboratory and the care and maintenance of tools and equipment.
• Troubleshoots a variety of problems and potential problems with treatment plant equipment; ensures that work is performed according to plans and specifications.
• Performs calibration of gas detection system, chemical tanks, meters, engines, gauges, and lavatory equipment.
• Services various plant equipment and employee safety equipment such as self -contained breathing apparatus; repairs medium and high voltage lines, radios, and other plant equipment.
• Purchases plant supplies and maintains shop supplies.
• Responds to questions and concerns from the general public; provides information as is appropriate and resolves complaints.
• Performs the full array of duties assigned to the Instrumentation Technician class, including maintaining, in proper working order, all plant process control and communication equipment.
• Performs standby duty on a rotating basis and may be required to work varying hours, overtime, weekends, and holidays.
• Coordinates maintenance activities with the operations group.

Benefits

• The City participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: High school or GED