Career Area:

Job Description:

Your Work Shapes the World at Caterpillar Inc.

When you join Caterpillar, you're joining a global team who cares not just about the work we do – but also about each other.  We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here – we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it.

Department: Maintenance

Permanent Location: [CAT BCP - Thiruvallur]

Reporting To: Maintenance Manager

Experience

8+ years (Industrial Automation / PLC Service)

PLC Programming & Troubleshooting

• Troubleshoot and modify PLC programs for:
• Siemens (S7-300/400, S7-1200/1500, TIA Portal)
• ABB (AC500 series)
• Mitsubishi (FX / Q / iQ series)
• Online debugging, fault diagnosis, and logic optimization
• Handling PLC CPU, I/O modules, communication faults

Service & Commissioning

• Equipment’s breakdown support and root cause analysis
• PLC panel commissioning and startup support
• Machine retrofits, upgrades, and program backups/restoration
• Support preventive and corrective maintenance activities

HMI & Communication

• HMI troubleshooting and minor development (WinCC, GOT, ABB HMI)
• Industrial communication protocols:
• Profibus / Profinet
• Ethernet/IP
• Modbus (RTU/TCP)
• Integration with VFDs, servos, sensors, and safety devices

Documentation & Coordination

• Prepare service reports, logic change records, and backups
• Coordinate with production, maintenance, and OEM teams
• Provide technical guidance to technicians/operators

Required Skills & Qualifications

Technical Skills

• Strong hands-on experience in:
• Siemens PLC (Mandatory)
• ABB PLC
• Mitsubishi PLC
• Electrical panel understanding (schematics, wiring)
• VFDs (Siemens, ABB, Mitsubishi preferred)
• Basic SCADA knowledge (WinCC / ABB SCADA – added advantage)

Qualification

• Diploma / BE / BTech in Electrical / Electronics / Instrumentation / Automation

Soft Skills

• Strong troubleshooting mindset
• Ability to work independently during breakdowns
• Good communication and documentation skills
• Willingness to travel for field service support

Preferred / Added Advantage

• Automotive / Manufacturing industry exposure
• Safety PLC knowledge
• Servo drives commissioning
• Experience in 24x7 production environments

Posting Dates:

Caterpillar is an Equal Opportunity Employer.  Qualified applicants of any age are encouraged to apply

Not ready to apply? Join our Talent Community.