Senior PLC & Electrical Maintenance Technician

GC Valves, LLC.; St. Louis (MO); On-site; USD 69,000 - 73,000; Full time

Job summary

GC Valves, LLC. in Missouri seeks a highly skilled High-Level Technician to troubleshoot, repair, install, and maintain complex equipment and control systems.

You will read PLCs, interpret schematics, and diagnose faults to minimize downtime while ensuring safety and quality. This role requires independent work, strong diagnostic skills, and collaboration with Facilities and Operations to schedule preventative maintenance and document findings.

Qualifications

• 3–7+ years technician experience.
• Ability to read schematics, wiring diagrams, and technical documents.
• Proficiency with diagnostic tools and test equipment.
• Strong safety procedures and practices knowledge.
• Ability to work independently with minimal supervision.
• Understand and read PLC software.

Responsibilities

• Diagnose and repair electrical and control-system failures to minimize downtime.
• Read and interpret electrical schematics, wiring diagrams, ladder logic, and manuals to identify faults.
• Use PLC software to monitor inputs/outputs and troubleshoot machine sequences.
• Install, wire, configure, and test electrical components per specifications.
• Perform preventive maintenance on panels, wiring, motors, and control systems.
• Maintain accurate work orders and records of troubleshooting and changes.
• Coordinate with operations, facilities, vendors, and manufacturers to resolve issues.

Skills

PLC reading

Electrical diagnosis

Troubleshooting

Schematics & wiring diagrams

Independent work

Documentation

Education

High school diploma

Technical diploma/Associate degree preferred

Tools

Diagnostic tools

Multimeter/oscilloscope

Electrical test equipment

PLC software knowledge

Job description

GC Valves, LLC. in Missouri seeks a highly skilled High-Level Technician to troubleshoot, repair, install, and maintain complex equipment and control systems.

You will read PLCs, interpret schematics, and diagnose faults to minimize downtime while ensuring safety and quality. This role requires independent work, strong diagnostic skills, and collaboration with Facilities and Operations to schedule preventative maintenance and document findings.