Field Service Engineer (PTU Maintenance)

About the role

Delta Electronics is seeking a Field Service Engineer (PTU Maintenance Technician) to support delivering expert on-site installation, maintenance, and troubleshooting for Delta's critical power infrastructure to ensure equipment reliability and maximum customer satisfaction.

Key responsibilities

• Plan, execute, and oversee preventive and corrective maintenance activities for PTU systems deployed at customer sites
• Maintain and troubleshoot UPS Systems, Battery Systems (Lithium-ion), Row Cooling Units (In-Row Cooling / Precision Cooling), Monitoring Systems (BMS / DCIM / EMS Interfaces), Electrical Distribution and Control Systems
• Lead fault diagnosis and resolve electrical, mechanical, control, and communication issues to minimize downtime
• Coordinate maintenance schedules, service activities, and shutdown works with customers, contractors, and internal teams
• Support site emergency response and provide technical assistance during critical breakdowns and system incidents
• Prepare maintenance reports, incident reports, service records, and technical recommendations
• Ensure maintenance activities comply with customer requirements, company procedures, safety standards, and service-level agreements (SLA)
• Support warranty claims, vendor coordination, spare parts management, and lifecycle replacement planning
• Support customer meetings, technical reviews, and maintenance planning discussions

About you

• Bachelor's Degree in Electrical, Mechanical, Mechatronic, Electronics, or related Engineering discipline
• Certified A4 Chargeman is advantage
• 1-10 years of experience in maintenance, service engineering, commissioning, or operation of critical infrastructure systems
• Good knowledge of UPS Systems, Lithium-ion Battery Systems, Power Distribution Systems, Precision Cooling Systems, BMS / DCIM Monitoring Systems
• Ability to interpret electrical single-line diagrams, schematics, wiring diagrams, and technical documentation
• Experience performing fault investigation, root cause analysis, and preparing technical reports
• Familiarity with maintenance planning, preventive maintenance procedures, and reliability improvement programs
• Good communication and customer-facing skills

About us

Delta Electronics is a global leader in power electronics and energy management solutions.