UPS Technical Engineer & Services

UPS Technical Engineer & Services

1. Position Overview

Wholesale Electric Asia (Thailand) Ltd. is a professional provider of backup and control power solutions for industrial and commercial applications. We provide high-efficiency UPS systems, including transformer-less and transformer-based solutions, together with power conversion, battery and related electrical systems.

The UPS Technical Engineer & Services is responsible for installation, commissioning, preventive and corrective maintenance, troubleshooting, repair and emergency service for UPS and related power systems, including Chloride AC/DC UPS, Automatic Voltage Stabilizers, Power Conversion & Battery Chargers, Ni-Cd Batteries and Sodium Metal Chloride (SMC) Batteries.

The role provides end-to-end technical support from installation and commissioning through maintenance and after-sales service, including on-site customer support and urgent repairs. Engineers are professionally trained by Chloride.

2. Key Responsibilities

• Plan and manage service activities, including service budget and local service business plans, in line with company objectives.

• Visit customer sites to install, commission, maintain, troubleshoot and repair UPS, power supply and related electrical systems.

• Perform preventive and corrective maintenance of AC/DC power supply systems, including battery maintenance and battery swap-over.

• Provide technical support for both onshore and offshore customer sites, including Oil & Gas and other industrial environments.

• Respond to customer emergency service requests and provide timely on-site technical support.

• Diagnose equipment failures, determine root causes, test systems, and replace defective components to restore equipment to operation according to defined standards.

• Carry out installation, commissioning, testing and troubleshooting of UPS, power conversion systems, battery chargers, automatic voltage stabilizers and battery systems.

• Advise customers on potential system improvements and coordinate follow-up opportunities with the Sales team.

• Maintain professional communication with customers and provide clear technical explanations and recommendations.

• Prepare accurate and complete field service reports, service documentation, expenses and overtime records for each site visit.

• Ensure all service activities are performed in accordance with applicable company procedures, customer requirements and site safety requirements.

3. Technical Scope

• Chloride AC and DC Uninterruptible Power Supply (UPS)

• Transformer-less and transformer-based UPS systems

• Automatic Voltage Stabilizers

• Power Conversion and Battery Charger systems

• Ni-Cd Battery systems

• Sodium Metal Chloride (SMC) Battery systems

• AC/DC power supply systems

• Battery maintenance, testing and swap-over

• Electrical/electronic equipment troubleshooting and component-level repair

4. Qualifications & Experience

• Bachelor’s degree in Electrical Engineering or a related field, or an equivalent level of knowledge gained through relevant work experience.

• 5–15 years of experience in field service, installation, maintenance, troubleshooting or repair of electrical/electronic equipment.

• Experience in UPS, power supply, battery systems, power conversion or related industrial electrical systems is preferred.

• Experience in the Oil & Gas industry, particularly in onshore and/or offshore electrical power systems, installation, commissioning, maintenance and troubleshooting, is an advantage.

• Experience working at industrial customer sites and responding to emergency service requirements is preferred.

• Ability to troubleshoot and repair electrical/electronic equipment to component level.

• Knowledge of relevant DIN/VDE and IEC standards is an advantage.

• Good command of written and spoken English.

• Good communication and customer service skills.

• Able to work independently, travel to customer sites and work in onshore/offshore environments as required.

• Valid driving license and ability to travel to customer sites.

5. Working Conditions

• Working hours: Monday–Friday, 8:30 AM–5:30 PM.

• The position may require site visits, emergency call-outs, travel and work in onshore/offshore industrial environments depending on customer requirements.

6. Benefits

• Salary: Negotiable depending on qualifications and experience

• Social Security

• Group Insurance (AIA)

• Bonus

• Annual company outing in Thailand and overseas.