Assistant Service Engineer

Johnson Controls; Indonesia; On-site; IDR 120,000,000 - 180,000,000; Full time

Benefits offered by this job

Competitive pay

Company vehicle and tools

Training and progression

Employee discounts

Job summary

Johnson Controls is seeking an experienced HVAC Service Technician to join our mobile field service team, supporting customers across sites. You will service, maintain and commission HVACR equipment, diagnose faults and keep systems running safely and reliably.

You will own your work end to end, communicate effectively with customers, document service activities and apply safety standards on every site visit. Training and career progression are provided.

Qualifications

• HVAC service experience required.
• Strong electrical and diagnostic skills.
• Ability to read schematics, piping diagrams and technical data.
• Self-motivated, customer-focused and able to work independently.

Responsibilities

• Service, maintain and commission Water Chillers, AC and HVAC systems.
• Fault-find and repair across Chillers, DX, Split, VRV/VRF, AHUs and ventilation plant.
• Complete clear service documentation and provide practical improvement recommendations.
• Carry out all work in line with Zero Harm expectations and safe working practices.
• Support customers with responsive communication, technical guidance and professional site conduct.

Skills

HVAC service experience

Electrical diagnostics

Diagnostics & fault finding

Independent work

Schematic interpretation

Equipment familiarity

Education

Level 3 HVAC qualification

Job description

Why Join Us

At Johnson Controls, we help buildings perform better through smarter, healthier, and more sustainable solutions. We are looking for an experienced HVAC Service Technician to join our mobile field service team supporting customers.

Why Join Us

At Johnson Controls, we help buildings perform better through smarter, healthier, and more sustainable solutions. We are looking for an experienced HVAC Service Technician to join our mobile field service team supporting customers.

In this role, you will be a trusted technical expert, delivering high-quality service across multiple customer sites. You will service, maintain and commission HVACR equipment, resolve faults efficiently and help customers keep their systems running safely and reliably.

What You Will Do

• Service, maintain and commission Water Chillers, AC and HVAC systems.


• Fault-find and repair across Chillers, DX, Split, VRV/VRF, AHUs and ventilation plant.


• Complete clear service documentation and provide practical improvement recommendations.


• Carry out all work in line with Zero Harm expectations and safe working practices.


• Support customers with responsive communication, technical guidance and professional site conduct.

How You Will Do It

• Own your work end to end by taking accountability for safe, high-quality service delivery on every job.


• Stay close to the work by understanding customer needs on site, identifying issues quickly and removing obstacles before they affect performance.


• Improve every day through clear diagnostics, honest feedback and practical problem-solving that gets to the root cause.


• Work as one team with customers, colleagues and support functions, sharing knowledge and building trust across every site visit.


• Keep records accurate and useful so service reports, findings and recommendations are clear, timely and easy to act on.


• Bring a safety-first mindset to every task, balancing speed, quality and integrity in the way you work.

What We Look For

• Proven experience as an HVAC or Chiller Service Engineer.


• Strong electrical, controls and diagnostic skills.


• Ability to interpret schematics, piping diagrams and technical data.


• Self-motivated, customer-focused and comfortable working independently.


• Level 3 HVAC qualification.


• Experience working with York, Trane, Carrier, Daikin, Hitachi or Mitsubishi Electric equipment.


• Experience across chiller, DX, split, VRV/VRF, AHU or ventilation plant environments.

What We Can Offer

• Competitive salary plus travel time, overtime, standby and call-out payments.


• Company service vehicle, phone, tablet, PPE and specialist tools.


• EAP, referral bonuses, cycle-to-work and employee discounts.


• Industry-leading training and structured career progression.


• A supportive team culture where your ideas, skills and experience are valued.