Maintenance Electrician for CNC/PLC Systems | 1st Shift

Caterpillar Inc.; South Milwaukee (WI); On-site; USD 40,000 - 58,000; Full time

Benefits offered by this job

Medical benefits

Dental benefits

Vision benefits

401(k) plans

HSA

FSAs

Career development

Sign-on bonus

Job summary

Caterpillar Inc. is seeking an experienced Industrial Maintenance Electronic/Electrician for the South Milwaukee, WI facility. This on-site, 1st shift role focuses on keeping CNC machines, PLC-controlled equipment, drives, and automated systems running safely and efficiently.

You will troubleshoot, repair, and perform preventive maintenance on complex electrical/electronic systems and support a high-volume manufacturing environment with leading mining machinery. A $2,000 sign-on bonus is offered.

Qualifications

• Industrial electrical maintenance experience in a manufacturing or heavy industrial environment.
• Strong troubleshooting capability with PLC-controlled equipment (Allen-Bradley, Siemens, Fanuc, or equivalent).
• Experience with CNC machinery, servo systems, and industrial automation.
• Proficiency reading electrical schematics, wiring diagrams, and ladder logic.
• Knowledge of AC/DC drives, motors, and control circuits.
• Commitment to safety, quality, and continuous improvement.

Responsibilities

• Troubleshoot, diagnose, and repair industrial electrical and electronic systems including CNC machines, PLCs, servo systems, and relay logic.
• Perform preventive and predictive maintenance to improve equipment uptime and reliability.
• Read, interpret, and apply electrical schematics, ladder logic diagrams, and technical prints.
• Maintain and repair AC/DC drives, motors, encoders, sensors, and control panels.
• Support maintenance activities on cranes, hoists, conveyors, furnaces, welding equipment, HVAC systems, and automated production lines.
• Partner with manufacturing and engineering teams to identify root causes and implement long‑term corrective actions.
• Follow all safety, environmental, and compliance standards while working in an industrial environment.
• Accurately document maintenance activities using CMMS.

Skills

Electrical maintenance

PLC troubleshooting

CNC/Automation

Schematics reading

AC/DC drives

Safety and quality

Education

Technical/electrical/industrial maintenance program

Job description

Caterpillar Inc. is seeking an experienced Industrial Maintenance Electronic/Electrician for the South Milwaukee, WI facility. This on-site, 1st shift role focuses on keeping CNC machines, PLC-controlled equipment, drives, and automated systems running safely and efficiently.

You will troubleshoot, repair, and perform preventive maintenance on complex electrical/electronic systems and support a high-volume manufacturing environment with leading mining machinery. A $2,000 sign-on bonus is offered.