Field Service Engineer (Power / Generator)

QUESS SELECTION & SERVICES PTE. LTD.; Singapore; On-site; SGD 42,000 - 65,000; Full time

Job summary

QUESS SELECTION & SERVICES PTE. LTD. is seeking an on-site service engineer to perform preventive and corrective maintenance on UPS and critical power systems. You will install, test, and commission equipment, diagnose faults, and provide actionable recommendations to maximise system reliability.

You will lead site activities, coordinate with customers and contractors, and mentor junior engineers while maintaining thorough documentation and safety compliance across assigned projects.

Qualifications

• Diploma or Degree in Electrical, Electronics, Mechatronics or a related Engineering discipline.
• Experience with UPS, critical power, power systems, electrical equipment or industrial electrical systems.
• Hands-on experience in installation, commissioning, testing, maintenance and troubleshooting.
• Ability to read and interpret electrical drawings, schematics and technical manuals.
• Strong troubleshooting and problem-solving skills with a practical, hands-on approach.
• Good communication and customer-facing skills to work with customers and site stakeholders.
• Willing to travel to customer sites and support emergency/standby service requirements.

Responsibilities

• Provide on-site technical service, maintenance and troubleshooting for UPS and critical power systems.
• Carry out installation, testing, commissioning, preventive and corrective maintenance of UPS and associated equipment.
• Diagnose electrical and equipment faults, identify root causes and implement effective solutions to minimise downtime and ensure system reliability.
• Lead and coordinate site activities with customers, contractors, vendors and subcontractors.
• Take ownership of assigned service jobs from planning and site execution through to completion and reporting.
• Guide and support technicians and junior engineers during maintenance, testing and troubleshooting activities.
• Conduct toolbox meetings and safety briefings to ensure safe and effective execution of site works.
• Provide on-site and remote technical support and professional advice to customers.
• Prepare detailed service reports, technical findings and recommendations following site activities.
• Develop and review method statements, risk assessments and work procedures for assigned jobs.
• Monitor the condition and performance of UPS systems, batteries and other critical power equipment.
• Follow up on outstanding technical issues and coordinate with relevant teams to ensure timely resolution and customer satisfaction.
• Support planned maintenance programmes, emergency call-outs, ad-hoc service works and equipment overhauls.
• Maintain accurate technical records, service documentation and equipment history.

Skills

Troubleshooting

Site coordination

Customer-facing

Independent worker

Electrical drawings reading

Safety compliance

Education

Diploma or Degree in Electrical, Electronics, Mechatronics or related Engineering

Job description

Key Responsibilities

• Provide on-site technical service, maintenance and troubleshooting for UPS and critical power systems.


• Carry out installation, testing, commissioning, preventive and corrective maintenance of UPS and associated equipment.


• Diagnose electrical and equipment faults, identify root causes and implement effective solutions to minimise downtime and ensure system reliability.


• Lead and coordinate site activities with customers, contractors, vendors and subcontractors.


• Take ownership of assigned service jobs from planning and site execution through to completion and reporting.


• Guide and support technicians and junior engineers during maintenance, testing and troubleshooting activities.


• Conduct toolbox meetings and safety briefings to ensure safe and effective execution of site works.


• Provide on-site and remote technical support and professional advice to customers.


• Prepare detailed service reports, technical findings and recommendations following site activities.


• Develop and review method statements, risk assessments and work procedures for assigned jobs.


• Monitor the condition and performance of UPS systems, batteries and other critical power equipment.


• Follow up on outstanding technical issues and coordinate with relevant teams to ensure timely resolution and customer satisfaction.


• Support planned maintenance programmes, emergency call-outs, ad-hoc service works and equipment overhauls.


• Maintain accurate technical records, service documentation and equipment history.

Requirements

• Diploma or Degree in Electrical, Electronics, Mechatronics or a related Engineering discipline.


• Relevant experience in UPS, critical power, power systems, electrical equipment or industrial electrical systems.


• Hands-on experience in installation, commissioning, testing, maintenance and troubleshooting.


• Good understanding of electrical systems, with the ability to read and interpret electrical drawings, schematics and technical manuals.


• Strong troubleshooting and problem-solving skills, with a practical and hands-on approach.


• Good communication and customer-facing skills, with the confidence to work directly with customers and site stakeholders.


• Able to work independently and take ownership of assigned projects and service activities.


• Comfortable leading site activities and coordinating technicians, contractors and vendors when required.


• Willing to travel to customer sites and support emergency / standby service requirements when necessary.