Instrumentation & Controls Technician

At Tesco Controls (a UFT company), our culture is grounded in the idea that the how we achieve results is just as important as the results themselves. Our winning behaviors guide the way we work, collaborate, and grow—both as individual employees and as a team. Our core winning behaviors are to Build Relationships, have a Relentless Drive for Results, to Communicate with Integrity and Focus, and to Be a Mentor, Teacher, Learner. These behaviors are more than words—they are the foundation of our success and continued growth.

Here, you’ll join a stable, growing company where your work directly supports cleaner water, stronger communities, and critical infrastructure across the country. If you want meaningful work, real growth opportunities, and a team that takes pride in doing the right thing—you’ll find it here. Apply today and help power the systems that keep our world running.

At Tesco Controls (a UFT company), our culture is grounded in the idea that the how we achieve results is just as important as the results themselves. Our winning behaviors guide the way we work, collaborate, and grow—both as individual employees and as a team. Our core winning behaviors are to Build Relationships, have a Relentless Drive for Results, to Communicate with Integrity and Focus, and to Be a Mentor, Teacher, Learner. These behaviors are more than words—they are the foundation of our success and continued growth.

Here, you’ll join a stable, growing company where your work directly supports cleaner water, stronger communities, and critical infrastructure across the country. If you want meaningful work, real growth opportunities, and a team that takes pride in doing the right thing—you’ll find it here. Apply today and help power the systems that keep our world running.

Tesco Controls is seeking a Field Service Technician to lead and support on-site commissioning and startup activities for Water and Wastewater control system projects. This role is responsible for commissioning, testing, and troubleshooting instrumentation and motor control cabinets, PLC cabinets, while ensuring all startup activities are thoroughly documented. The position offers the opportunity to apply expertise in PLC programming and automated control processes, working hands-on with advanced equipment in dynamic field environments and collaborating with cross-functional teams to deliver successful project outcomes. This role will be supporting the SoCal territory, and will be on site at client sites about 90% of the time, the other 10% will be onsite in the Temecula office.

What you'll do: • Configures parameters and troubleshoots VFDs (Variable Frequency Drives)

• Troubleshoots instrumentation and control systems using electrical ladder schematics

• Calibrates, traces, and corrects control loop malfunctions; participates in the maintenance and production concerning instrument systems

• Verifies accuracy of gauges and measuring instruments such as pressure, flow, temperature, pH, turbidity, and conductivity; documents failure rates on specified equipment

• Start-up Commissioning Pump/Motor Controls

• Loop Check wires from Field to Monitoring Devices

• Inspect/Commission/Calibrate Instrumentation (Pressure/Level/Flow)

• Inspect/Commission/Calibrate Analytical Sensors (pH/Chlorine/Turbidity)

• Troubleshoot Electrical/Control Logic

• Troubleshoot Instrumentation (Pressure/Level/Flow)

• Wire modifications to panels per drawings

• Site installations of electrical devices/motor controls

• Repairs, tests, adjusts, or installs electronic equipment such as industrial controls, transmitters, HMI, VFD, and PLCs.

• Assembles, installs or repairs wiring, electrical and electronic components

• Other duties as required

What you bring: • Must have a valid driver’s license with a clean driving record

• Ability to travel through the SoCal Territory, stay overnight, and participate in 24/7 on-call rotation

• Degree preferred, or high school diploma/GED with relevant experience

• Experience with instrumentation calibration documentation

• Ability to read and interpret safety, maintenance, and operating procedures.Understanding of AC/DC voltage and DC current measurement

• Profibus qualification preferred

• Proficient with digital multimeters and basic power tools

• Strong communication, organization, and attention to detail

• Ability to read, write, and understand English

• Willingness to travel, including overnight stays

• Available for 24-hour on-call rotation

• Ability to work in confined spaces and at elevated heights (ladders/lifts), with the ability to climb ladders and tanks as required

• Ability to stand, walk, bend, crouch, and perform physical work throughout the day

• Ability to occasionally lift and carry up to 75-100 lbs

Join our team to innovate the future of water and wastewater. You’ll collaborate with coworkers who are the best and the brightest, challenge yourself on exciting work, and help build the best water and wastewater platform company in the U.S.

Tesco Controls is an Equal Employment Opportunity Employer. TESCO provides equal employment opportunities to all qualified applicants without regard to race, sex, sexual orientation, gender identity, national origin, color, age, religion, protected veteran or disability status, or genetic information. (Compliant with the new VEVRAA and Section 503 rules) .