About SolaX Power:
Established in 2012, SolaX Power is dedicated to helping our customers transform their homes and businesses to clean energy and reducing the reliance on fossil fuels. SolaX Power is a leading provider of sustainable solar and energy storage solutions, with a strong presence in Europe, Asia, and Africa. Now we have more than 2800 employees globally, and we continue hiring talents to join us. At SolaX, a global organization, your career can reach its full potential.
Position Overview
The BESS Technical Support Engineer / Specialist is responsible for providing pre-sales and post-sales technical support for Battery Energy Storage Systems (BESS), ensuring optimal performance and customer satisfaction. This role requires a strong understanding of energy storage technology, system integration, and field operations.
Key Responsibilities
Technical Support & Troubleshooting
* Provide remote and on-site technical support for commissioning, operation, and maintenance of BESS solutions.
* Diagnose and resolve system faults related to battery systems, inverters, BMS/EMS, and communication networks.
* Work closely with HQ R&D and product teams to escalate and resolve complex technical issues.
* Guide customers and service partners through system testing, firmware upgrades, and troubleshooting procedures.
Pre-Sales & Solution Support
* Support the sales and application engineering teams with technical documentation, system configuration, and project design reviews.
* Participate in customer meetings and technical discussions to explain system architecture and product functionalities.
* Review project drawings, single-line diagrams, and technical specifications to ensure compliance with standards.
Training & Documentation
* Conduct technical training for customers, EPCs, and internal service teams.
* Prepare and update user manuals, installation guides, FAQs, and troubleshooting checklists.
* Maintain accurate service reports, failure analyses, and system performance records.
Quality & Feedback
* Monitor field performance and provide feedback to product and R&D teams for continuous improvement.
* Support warranty claim evaluations and root-cause analysis of returned components.
* Contribute to service knowledge base development and standard operating procedures (SOPs).
Qualifications and Requirements
* Bachelor’s degree or above in Electrical Engineering, Power Systems, Mechatronics, or related field.
* Minimum 3 years of experience in technical support, commissioning, or service for BESS, solar, or power systems.
* Strong understanding of Li-ion battery technology, inverter operation, communication protocols (Modbus, CAN, TCP/IP), and power electronics.
* Hands-on experience with EMS, BMS, SCADA systems, or grid integration is highly desirable.
* Ability to read and interpret electrical schematics and control diagrams.
* Excellent problem solving, analytical, and customer service skills.
* Strong communication skills in English (both written and spoken); additional languages are a plus.
* Willingness to travel domestically and internationally for site support and training.
What We Offer
* Competitive compensation and benefits package.
* Opportunity to work with cutting-edge energy storage technologies.
* International exposure and cross-functional collaboration.
* Professional growth and continuous learning in a fast-evolving clean energy industry.