Controls & Automation Technician: PLC & HMI Expert

TETRA Technologies, Inc.; West Memphis, Northern (AR, KY); Hybrid; USD 55,000 - 75,000; Full time

Job summary

TETRA Technologies, Inc. is seeking a skilled electrical technician to join our field maintenance team in the United States.

You will troubleshoot, program, and maintain PLC-based control systems and HMIs in a live plant environment, reading schematics and ensuring equipment reliability. The ideal candidate has 3–5 years of hands-on experience, an HS diploma or GED (Associate or technical cert preferred), and is capable of working rotating shifts, with willingness to pass pre-employment

Qualifications

• 3–5 years of hands-on experience programming, troubleshooting, and maintaining PLC-based control systems, HMI platforms, and industrial electrical systems in live environments.
• Experience supporting manufacturing, chemical processing, oil & gas, industrial processing, or similar process industries preferred.
• Experience commissioning control systems, performing loop checks, calibration, and startup support is preferred.
• Strong experience troubleshooting motors, MCCs, VFDs, drives, field instrumentation, electrical panels, and industrial process equipment.
• Must pass pre-employment background, medical, alcohol, and drug screening; valid Driver’s License.
• Able to work rotating shifts including nights, weekends, holidays, and overtime if applicable.

Responsibilities

• Troubleshoot PLC-based control systems and HMIs in live plant environments.
• Read electrical schematics, loop diagrams, P&IDs, blueprints, control narratives, and technical drawings to diagnose issues.
• Perform preventative and corrective maintenance on electrical systems, instrumentation, PLC panels, HMIs, motors, drives, MCCs, and field wiring.
• Collaborate with Engineering and Operations to support equipment repairs, control strategy improvements, commissioning activities, and continuous reliability initiatives.
• Complete maintenance records, programming documentation, calibration records, and other required documentation accurately.
• Work safely and independently in an industrial plant environment while adhering to safety policies and procedures.

Skills

PLC programming

Troubleshooting

Electrical maintenance

HMI programming

Instrumentation

Automation

Reading schematics

Education

High School Diploma or GED

Associate/Tech Cert in Electrical Tech or Mechatronics

Job description

TETRA Technologies, Inc. is seeking a skilled electrical technician to join our field maintenance team in the United States.

You will troubleshoot, program, and maintain PLC-based control systems and HMIs in a live plant environment, reading schematics and ensuring equipment reliability. The ideal candidate has 3–5 years of hands-on experience, an HS diploma or GED (Associate or technical cert preferred), and is capable of working rotating shifts, with willingness to pass pre-employment