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Johnson Controls

Service Engineer (Electrical & mechanical)

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Who we are:

Johnson Controls is a world leader in smart buildings, creating safe, healthy and sustainable spaces. For nearly 140 years, we’ve made buildings better and now we’re transforming them again with our award-winning digital technologies and services. We’re using artificial intelligence and data-driven solutions to give you deeper insight into your building’s health, sustainability and performance. It’s changing the way we design, operates and maintains indoor environments and driving to a new era of autonomous buildings.

We deliver the blueprint of the future for industries such as healthcare, schools, data centers, airports, stadiums, hotels, manufacturing and beyond through OpenBlue, our comprehensive suite of connected solutions.

Johnson Controls offers the world’s largest portfolio of building technology, software and services. Supported by a team of more than 100,000 dedicated employees working across 150 countries, we’re helping customers achieve their sustainability goals and power their mission.

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What you will do:

The Service Engineer – HVAC Chillers is responsible for installation support, preventive maintenance, breakdown service, troubleshooting, and overhauling of HVAC chiller systems. The role ensures optimal performance, reliability, energy efficiency, and customer satisfaction across assigned customer sites.

What we look for:

Installation & Commissioning

  • Support installation, commissioning, and start-up of air-cooled and water-cooled chillers

  • Verify system compliance with design specifications and safety standards

  • Coordinate with project teams, contractors, and customers during commissioning

Service & Maintenance

  • Perform preventive and corrective maintenance of HVAC chiller systems

  • Diagnose and troubleshoot mechanical, electrical, and control system faults

  • Carry out overhauls, compressor servicing, oil analysis, and refrigerant handling

  • Ensure timely closure of service calls and breakdowns

Technical Support

  • Interpret wiring diagrams, P&IDs, and control logic

  • Calibrate sensors, valves, and control devices

  • Ensure proper operation of pumps, cooling towers, and associated equipment

  • Maintain compliance with OEM guidelines and statutory safety norms

Customer Management

  • Interact with customers professionally and provide technical explanations

  • Prepare service reports, root cause analysis (RCA), and recommendations

  • Upsell AMC, spares, and service upgrades where applicable

Documentation & Compliance

  • Maintain detailed service records and job reports

  • Follow EHS guidelines, work permits, and safety procedures

  • Support audits and quality improvement initiatives

Key Skills & Competencies

  • Strong knowledge of HVAC chiller systems (screw, centrifugal, scroll, reciprocating)

  • Hands-on experience with refrigerants (R134a, R410A, R407C, etc.)

  • Electrical troubleshooting (motors, VFDs, starters, panels)

  • Familiarity with BMS, PLCs, and control systems

  • Analytical and problem-solving skills

  • Good communication and customer-handling skills

  • Willingness to travel and work on-site

Desired Certifications (Preferred)

  • HVAC / RAC Certification

  • OEM Chiller Training (Carrier, Trane, Daikin, York, etc.)

  • Electrical Safety / EHS Certification

Work Conditions

  • Field-based role requiring travel to customer sites

  • May require working in shifts, weekends, or during emergencies

  • Physically capable of working in plant rooms and industrial environments

Join Johnson Controls and be part of a team that values your contributions, supports your growth, and provides a rewarding work environment.

Diversity & Inclusion

Our dedication to diversity and inclusion starts with our values. We lead with integrity and purpose, focusing on the future and aligning with our customers’ vision for success. Our High-Performance Culture ensures that we have the best talent that is highly engaged and eager to innovate. ​​​​​​ Our D&I mission elevates each employee’s responsibility to contribute to our culture. It’s through these contributions that we’ll drive the mindsets and behaviors we need to power our customers’ missions. You have the power. You have the voice. You have the culture in your hands.