[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Johnson Controls International jobs](https://jobs.opennash.com/companies/johnson-controls-international/) · [Search jobs](/search/) Johnson Controls International · Singapore-Singapore-Singapore # Assistant Service Engineer Singapore-Singapore-Singapore Full-time Administrative Listed on Johnson Controls International’s official careers site. Listed as of October 20, 2026. Check that it is still open and apply there. [Apply on Johnson Controls International’s careers site →](https://jci.wd5.myworkdayjobs.com/JCI/job/Singapore-Singapore-Singapore/Assistant-Service-Engineer_WD30274300) [OpenNash Jobs](https://jobs.opennash.com/) / [Johnson Controls International](https://jobs.opennash.com/companies/johnson-controls-international/) / Assistant Service Engineer ## Job description ### 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 #LI-CK1 #LI-Onsite ## At a glance - Posted by the employer: Not stated - First seen by OpenNash: Oct 13, 2026 - Last checked: Oct 20, 2026 - Listed for: 7 days - Location: Singapore-Singapore-Singapore - Employment type: Full-time[Apply on Johnson Controls International’s careers site →](https://jci.wd5.myworkdayjobs.com/JCI/job/Singapore-Singapore-Singapore/Assistant-Service-Engineer_WD30274300) ## More jobs at Johnson Controls International ### [Assistant Fire Project Manager](https://jobs.opennash.com/companies/johnson-controls-international/jobs/df8cbcfd2a8c5734e929/) Singapore-Singapore-Singapore ### [HVAC Assistant Project Manager](https://jobs.opennash.com/companies/johnson-controls-international/jobs/be164444056fc3c518bb/) Singapore-Singapore-Singapore ### [Application Engineer (Entry level candidates are welcome to apply)](https://jobs.opennash.com/companies/johnson-controls-international/jobs/8807f6981f3fa2cfc6f9/) Singapore-Singapore-Singapore ### [Assistant Project Manager (Physical Security)](https://jobs.opennash.com/companies/johnson-controls-international/jobs/cbb6a6bfe9ac5d887d93/) Singapore-Singapore-Singapore ## Similar jobs at other companies ### [Assistant Service Engineer (Full-time Internship)](https://jobs.opennash.com/companies/siemens/jobs/2463447d1972154b196a/) Siemens ### [Assistant Manager - Operations and Service](https://jobs.opennash.com/companies/bajaj-finserv/jobs/8fe8dddcaca3dfd9c024/) Bajaj Finserv · Davangere ### [Assistant Manager - Operations and Service](https://jobs.opennash.com/companies/bajaj-finserv/jobs/7330fdb8d653d02267ea/) Bajaj Finserv · Fatehabad ### [Team Assistant Customer Service](https://jobs.opennash.com/companies/siemens/jobs/b59598206678631226a7/) Siemens ### [Assistant Manager, Policyowner Service](https://jobs.opennash.com/companies/chubb/jobs/c66a980d8a4bc0c0076e/) Chubb · Hong Kong OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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