Technical Support Role

About the role

This is a technical support and application engineering role supporting pre-sales and post-sales activities for battery energy storage systems (BESS), inverters, and solar PV solutions. You will serve as a bridge between customers, distributors, and global engineering teams, providing technical expertise across the full customer lifecycle.

Key responsibilities

• Review customer site requirements and load profiles to recommend suitable BESS, inverter, and solar configurations
• Prepare technical proposals, solution summaries, and product presentations for the sales and BD team
• Respond to technical RFQs and product inquiries from distributors, EPCs, and end customers
• Support product demonstrations, trade exhibitions, and customer site visits as required
• Act as the first point of contact for technical issues, troubleshooting requests, and warranty queries
• Coordinate with global HQ engineering and product teams to resolve escalated technical cases
• Track open cases through to resolution, ensuring timely and accurate communication with customers
• Prepare and maintain technical FAQs, troubleshooting guides, and service documentation
• Develop and update product datasheets, application notes, and installation guides for the Thai market
• Deliver product training sessions for distributors, installers, and internal sales staff

About you

• 2-5 years of experience in a technical support, application engineering, or field service role within the solar PV, BESS, power electronics, or electrical engineering industries
• Bachelor's degree in Electrical Engineering, Energy Engineering, or a related technical field
• Solid understanding of BESS systems, inverters, solar PV design, and/or energy management systems (EMS)
• Experience with CRM or ticketing systems is a plus
• Able to translate complex technical concepts into clear, accessible language for non-technical stakeholders
• Detailed oriented, customer-focused, and comfortable managing multiple open cases simultaneously
• Thai (Native/Fluent) and English (Business level/able to read technical documents and communicate with global HQ)