Maintenance Specialist – Electrical, Controls & PLC

Mmsteam; Illinois; On-site; USD 28,000 - 48,000; Full time

Job summary

Mmsteam in Mossville, IL seeks a Maintenance Specialist with strong electrical, controls, PLC, and automation expertise to maintain and troubleshoot industrial equipment in a Caterpillar facility.

You will diagnose failures, perform preventive maintenance, and support critical facility systems while documenting work orders and improving reliability.

Qualifications

• High school diploma or equivalent.
• 5+ years of industrial maintenance experience.
• Strong hands-on electrical troubleshooting and repair.
• PLC troubleshooting experience.
• Experience with industrial control systems and automated machinery.
• Familiarity with CMMS and safety requirements.

Responsibilities

• Troubleshoot, diagnose, repair, and maintain industrial electrical systems, controls, PLCs, and automated equipment.
• Lead troubleshooting efforts for complex electrical and controls issues.
• Diagnose equipment failures and perform root cause analysis for long-term solutions.
• Troubleshoot PLC-controlled equipment and industrial control systems.
• Perform specialized repairs, diagnostics, and installations on automated equipment and critical facility systems.
• Use multimeters and diagnostic tools to identify problems and measure performance.
• Read and interpret electrical schematics, wiring diagrams, and manuals.
• Preserve equipment reliability through preventive and corrective maintenance.
• Support conveyor and material-handling systems and other facility systems as needed.
• Provide guidance and training to other maintenance technicians.

Skills

Electrical troubleshooting

PLC troubleshooting

Root cause analysis

Reading electrical schematics

Maintenance planning

Independent work

Team collaboration

Education

Associate degree in electrical/mechanical/industrial maintenance

Tools

CMMS

Job description

Description

Maintenance Specialist – Electrical, Controls & PLC

Location: Mossville, Illinois

Pay: $20.00 - $35.00 per hour DOE

Schedule: Monday - Friday | 7:00 AM - 3:30 PM

Job Type: Full-Time | 1st Shift

Application Deadline: November 18, 2026

Join Our Team as a Maintenance Specialist – Electrical, Controls & PLC

We are seeking an experienced Maintenance Specialist with a strong background in industrial electrical systems, controls, PLCs, and automated equipment to support maintenance operations inside a Caterpillar facility in Mossville, Illinois.

This is not a typical general maintenance position. The successful candidate will serve as a technical resource for electrical, controls, PLC, and automated system troubleshooting, helping diagnose and resolve complex equipment issues that impact facility and logistics operations.

This position requires strong hands-on electrical troubleshooting skills, PLC and controls experience, and the ability to independently diagnose equipment failures and identify root causes. You should be comfortable working with industrial electrical systems, automated equipment, control systems, and other critical facility equipment. If you are an experienced maintenance professional who enjoys troubleshooting difficult electrical and controls problems and wants a consistent Monday through Friday, first-shift schedule, we want to hear from you.

What You'll Do

• Troubleshoot, diagnose, repair, and maintain industrial electrical systems, controls, PLCs, and automated equipment
• Lead troubleshooting efforts for complex and non-routine electrical and controls issues
• Diagnose equipment failures and perform root cause analysis to identify effective long-term solutions
• Troubleshoot PLC-controlled equipment and industrial control systems
• Perform specialized repairs, diagnostics, and installations on automated equipment and critical facility systems
• Use multimeters, electrical testing equipment, and other diagnostic tools to identify system problems
• Read and interpret electrical schematics, wiring diagrams, technical manuals, and equipment documentation
• Perform preventive and corrective maintenance to maximize equipment reliability and minimize downtime
• Monitor equipment and system performance and identify opportunities for improvement
• Support automated conveyor and material-handling systems as required
• Assist with electrical, controls, automation, HVAC, mechanical, and other facility systems as needed
• Collaborate with facility management, maintenance personnel, and outside contractors on repairs, upgrades, installations, and modifications
• Provide technical guidance, training, and troubleshooting support to other maintenance technicians
• Maintain accurate work orders, equipment histories, labor hours, parts usage, and maintenance documentation using CMMS
• Support specialized maintenance projects and facility improvement initiatives
• Respond to urgent equipment failures and maintenance issues to minimize operational downtime
• Follow OSHA requirements, Caterpillar site requirements, and all applicable environmental, health, and safety procedures

Requirements

Required Qualifications

• High school diploma or equivalent
• 5+ years of industrial, facilities, or similar maintenance experience
• Strong hands-on electrical troubleshooting and repair experience
• PLC troubleshooting experience
• Experience working with industrial control systems, automated machinery, or similar equipment
• Strong ability to diagnose and repair complex electrical, mechanical, and automated systems
• Ability to read and interpret electrical schematics, wiring diagrams, and technical documentation
• Experience using multimeters and other electrical diagnostic and troubleshooting equipment
• Strong understanding of preventive and corrective maintenance practices
• Experience identifying root causes of equipment failures and implementing effective solutions
• Familiarity with CMMS or electronic maintenance management systems
• Knowledge of OSHA standards and industrial maintenance safety requirements
• Strong troubleshooting, problem-solving, organizational, and time-management skills
• Ability to work independently and as part of a maintenance team
• Strong written and verbal communication skills

Preferred Qualifications

• Associate degree in electrical, mechanical, industrial maintenance, facilities management, or a related technical field
• Electrical, controls, HVAC, mechanical, or other relevant technical certifications
• Advanced PLC and controls troubleshooting experience
• Experience with Building Automation Systems (BAS)
• Experience with automated conveyor or material-handling systems
• Experience maintaining equipment in an industrial manufacturing, warehouse, or logistics environment
• Experience with industrial electrical distribution systems
• Experience leading maintenance projects, equipment installations, or system upgrades
• Experience mentoring, training, or providing technical guidance to other maintenance technicians
• Strong root cause analysis and continuous improvement experience

Additional Requirements

• Must be able to meet all requirements necessary to access and work on Caterpillar property
• Must be comfortable working in an active industrial environment
• Ability to safely perform hands-on electrical and mechanical maintenance work
• Ability to lift and move equipment or materials as required
• Comfortable working from ladders, in elevated areas, mechanical spaces, or confined areas when necessary
• Must be self-motivated and able to prioritize multiple maintenance demands
• Ability to make sound technical decisions when troubleshooting complex equipment issues
• Willingness to work occasional overtime, weekends, or additional hours when operational needs require it
• Commitment to safety, quality workmanship, equipment reliability, and continuous improvement

Applications close November 18, 2026. Apply today if your strengths are electrical troubleshooting, controls, PLCs, and solving difficult equipment problems.