Assistant Service Engineer

Who we are:

Johnson Controls, a global leader in thermal management, mission-critical building systems, energy efficiency, and decarbonization, helps customers use energy more productively, reduce carbon emissions, and operate with the precision and resilience required in rapidly expanding industries such as data centers, healthcare, pharmaceuticals, advanced manufacturing, and higher education.

For more than 140 years, Johnson Controls has delivered performance where it really matters. Backed by advanced technology, lifecycle services and an industry-leading field organization, we elevate customer performance, turn goals into real-world results and help move society forward.

What you will do:

As an assistant service engineer (Industrial Refrigeration), you will work carry out service, preventive maintenance, commissioning, overhaul, troubleshooting, installation, warranty repair, and other specialist activities on Johnson Controls and third-party industrial refrigeration systems

How you will do it:

• Ensure service work is completed efficiently while minimizing repeat visits and warranty costs

• Identify potential service, repair, upgrade, and modernization opportunities and communicate them to the relevant stakeholders.

• Support and coordinate subcontractors working on behalf of Johnson Controls

• Maintain service vehicle (if any) and any other tools and/or equipment assigned to you in good condition

• Develop and maintain strong customer relationships to support customer retention and identify service opportunities.

• Promote and maintain a strong safety culture across all work sites, including contractors and third-party personnel

• Participate in an after-hours standby and emergency response roster as required

• Perform all service activities in compliance with company safety policies, customer requirements, and local regulations

• Conduct risk assessments and implement safe work practices before commencing work

• Generate accurate and timely service reports, including findings, corrective actions, recommendations, and follow-up requirements

• Utilize digital service management systems, mobile applications, and reporting tools to document service activities

• Investigate equipment failures and support root-cause analysis to improve reliability and customer uptime

• Support senior engineers in providing technical recommendations to customers regarding equipment reliability, performance, and maintenance requirements.

• Willingness to travel to customer sites across Singapore and occasionally within the region when required

• Perform other duties and responsibilities assigned by management consistent with the role

What we look for:

• Basic understanding of refrigeration, HVAC, or mechanical systems

• Basic knowledge of screw, centrifugal, and reciprocating compressors

• Basic electrical and controls knowledge

• ASHRAE standards (preferred)

• Refrigerant handling and safe work practices (preferred)

• Health, safety, and safe work practices

• PC skills - MS Office (Excel, Word, PowerPoint), Email

• Strong willingness to learn and develop technical skills

• Problem-solving and analytical thinking

• Good communication and interpersonal skills

• Ability to work independently and within a team

• Safety-conscious mindset

• Positive attitude and customer-focused approach

What we offer:

• Competitive salary

• Paid vacation/holidays/sick time

• Comprehensive benefits package

• On the job/cross training opportunities

• Encouraging and collaborative team environment

• Dedication to safety through our Zero Harm policy

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