Design Engineer -Electrical

Job Description BESS Technical Lead

Position: BESS Technical Lead
Function: Engineering / Energy Storage Systems
Experience: 8–15 years in BESS, battery systems, power electronics, or related engineering

Key Responsibilities

1. BESS System Design & Engineering – Lead the complete BESS system architecture, design, engineering, and technical specifications for utility-scale, C&I, and industrial energy storage projects.
   
2. Battery Pack, Rack & Container Integration – Drive integration of battery cells/modules, packs, racks, containers, HVAC, auxiliary systems, and associated mechanical and electrical interfaces.
   
3. BMS, PCS & EMS Integration – Define and manage technical integration between Battery Management System (BMS), Power Conversion System (PCS), Energy Management System (EMS), SCADA, and other control systems.
   
4. HV Electrical Design & Protection Coordination – Lead HV/LV electrical design, transformer and switchgear selection, protection philosophy, relay coordination, earthing, cable sizing, and electrical safety requirements.
   
5. Thermal Management & Liquid Cooling – Ensure appropriate battery thermal-management architecture, including HVAC and liquid-cooling systems, thermal performance, cooling-loop design, monitoring, and optimization.
   
6. Fire Safety & Thermal Runaway Mitigation – Develop and review fire-protection and thermal-runaway mitigation strategies, including detection, suppression, gas management, propagation prevention, emergency response, and safety interlocks.
   
7. BESS Sizing, SLD & Power System Engineering – Perform and review energy/power sizing, degradation analysis, auxiliary-load calculations, SLDs, load flow, short-circuit studies, and overall power-system design.
   
8. Standards & Compliance – Ensure BESS designs and products comply with applicable standards and certification requirements, including UL 1973, UL 9540, UL 9540A, IEC 62619, and relevant local/grid regulations.
   
9. FAT, SAT, Testing & Commissioning – Lead Factory Acceptance Testing (FAT), Site Acceptance Testing (SAT), commissioning, performance validation, troubleshooting, root-cause analysis, and resolution of technical issues.
   
10. DFMEA/PFMEA, Vendor Development & Technical Project Management – Lead DFMEA/PFMEA activities, supplier technical evaluations, vendor development, design reviews, technical documentation, risk management, and cross-functional project execution.