Electronics Technician – Energy Storage Systems (ESS)

Overview

• Assemble battery modules and racks according to schematics, ensuring precise cell-to-cell interconnects and thermal management placement.
• Perform capacity testing, cycle testing, and cell balancing using specialized battery analyzers and load banks.
• Calibrate and troubleshoot Battery Management Systems (BMS), including firmware updates and communication protocols (CAN bus, Modbus).
• Execute safe Lock-Out/Tag-Out (LOTO) procedures and utilize Insulated Tools for all high-voltage DC interventions.
• Inspect and maintain liquid or air-cooling systems integrated into battery enclosures.
• Perform root-cause analysis on degraded or failed battery packs, including identifying 'hot spots' or insulation resistance faults.
• Diagnose electrical malfunctions using multimeters, oscilloscopes, and circuit analyzers to identify root causes and implement corrective actions.
• Maintain accurate logs of work performed, including inspection reports, material usage, and system blueprints.
• Recommend and implement equipment upgrades to improve energy efficiency and performance.
• Install, test, and maintain energy storage systems and related electronic components.
• Diagnose and repair faults in battery management systems (BMS), inverters, and control circuits.
• Perform routine inspections and preventive maintenance.
• Assist in system commissioning and performance validation.
• Interpret technical drawings, schematics, and manuals.
• Ensure compliance with safety and quality standards.