Job description
We are seeking a highly technical and customer-focused Energy Storage After-Sales Engineer to join our service team. You will be responsible for on-site commissioning, troubleshooting, maintenance, and repair of our energy storage products, ensuring rapid resolution of technical issues and superior customer satisfaction.
Key Responsibilities
Provide on-site and remote technical support for energy storage systems (batteries, BMS, PCS, and EMS). Perform system commissioning, firmware upgrades, and preventive maintenance. Diagnose and resolve hardware/software faults (e.g., communication errors, cell voltage imbalance, thermal management issues). Document all service activities, including failure analysis, repair logs, and field service reports.
Train customers and local partners on proper system operation, safety procedures, and basic maintenance. Collect and report product failure data to the R&D and quality teams to drive continuous improvement. Manage spare parts inventory and coordinate logistics for replacement components. Respond to emergency service calls within agreed SLAs (e.
g., 24/48-hour response). Support the sales team by providing pre-sales technical input on installation and serviceability.
Requirements
Associate or Bachelor’s degree in Electrical Engineering, Power Electronics, Mechanical Engineering, or a related field. Experience: 2+ years of field service, commissioning, or maintenance experience with battery storage, inverters, UPS, or solar PV systems. Familiar with lithium-ion battery characteristics (voltage, current, temperature, SOC, SOH).
Experience with CAN bus, RS485, Modbus, or other industrial communication protocols. Ability to read electrical schematics, single-line diagrams, and wiring diagrams. Hands-on experience with multimeters, insulation testers, and battery diagnostic tools. Soft Skills: Strong problem-solving, customer communication, and documentation skills.
Physical Requirements: Ability to lift equipment (up to 25 kg), work at heights, and use PPE. Travel: Willingness to travel frequently (up to 50-75%) to customer sites. Language: Fluent in English (additional local languages a plus). Willing to render overtime work on Saturdays, as required by business needs. Preferred (Nice to Have): Certification in battery safety (e.
g., NFPA 70E, lithium-ion battery handling). Experience with BESS containerized systems (utility-scale). Knowledge of grid codes and protection relay settings. Familiarity with remote monitoring platforms (e.g., IoT-based EMS portals). Valid driver's license and passport