Service Technician

Johnson Controls, Inc.; Chennai District; On-site; INR 300,000 - 540,000; Full time

Job summary

Johnson Controls, Inc. is seeking a Service Technician to install, maintain, troubleshoot, repair, and commission HVAC systems and BMS.

The role demands hands-on technical expertise to ensure energy efficiency and reliability in building infrastructure while adhering to safety and quality standards. The technician will perform preventive and corrective maintenance on chillers, AHUs, FCUs, VRF/VRV systems, and other equipment, read electrical schematics, and support BMS integration and

Qualifications

• Diploma/ITI/Technical certification in HVAC or related field.
• 2–5 years of hands-on HVAC maintenance and BMS experience.
• Ability to read electrical drawings and schematics.
• Familiar with BMS platforms such as Honeywell, Siemens, Schneider Electric, Johnson Controls.

Responsibilities

• Perform preventive and corrective maintenance on HVAC equipment.
• Diagnose faults and replace faulty components.
• Monitor and troubleshoot BMS controls and automation.
• Respond to service calls and document maintenance logs.

Skills

HVAC maintenance

BMS operations

Troubleshooting

Reading electrical diagrams

Customer service

Education

Diploma/ITI in Mechanical/Electrical/HVAC

Tools

Honeywell

Siemens

Schneider Electric

Johnson Controls

Job description

Job Summary

The Service Technician is responsible for the installation, maintenance, troubleshooting, repair, and commissioning of HVAC systems and Building Management Systems (BMS). The role requires hands-on technical expertise to ensure optimal performance, energy efficiency, and reliability of building infrastructure systems while adhering to safety and quality standards.

HVAC Systems

• Perform preventive and corrective maintenance of HVAC equipment, including:
  • Chillers
  • AHUs (Air Handling Units)
  • FCUs (Fan Coil Units)
  • VRF/VRV systems
  • Package units
  • Split and ducted air conditioning systems
• Diagnose and repair electrical, mechanical, and refrigeration faults.
• Conduct inspections, testing, and performance evaluations of HVAC equipment.
• Replace faulty components and ensure system reliability.
• Maintain service records and maintenance reports.

Building Management System (BMS)

• Monitor and troubleshoot BMS controls and automation systems.
• Support BMS commissioning, programming adjustments, and configuration changes.
• Ensure proper integration between HVAC systems and BMS platforms.
• Analyze alarms, trends, and system data to identify operational issues.
• Coordinate with control engineers for system upgrades and enhancements.

Customer Service & Compliance

• Respond to service calls and emergency breakdowns promptly.
• Communicate technical findings and recommendations to customers.
• Ensure compliance with workplace safety regulations and company policies.
• Maintain tools, equipment, and spare parts inventory.
• Prepare service reports, work completion reports, and maintenance logs.

Required Qualifications

• Diploma/ITI/Technical Certification in Mechanical, Electrical, HVAC, Refrigeration, Instrumentation, or related field.
• 2-5 years of experience in HVAC maintenance and BMS operations.
• Knowledge of HVAC equipment, controls, and automation systems.
• Ability to read electrical drawings, wiring diagrams, and technical schematics.
• Familiarity with BMS platforms such as Honeywell, Siemens, Schneider Electric, Johnson Controls, or equivalent.