Control Engineer Battery Energy Storage Systems (BESS) (Bengaluru)

Job Title: Control Engineer Battery Energy Storage Systems (BESS) Location: Bengaluru, India Experience: 510 Years Business Unit: PES EPS Segment: Utility-Scale & Commercial & Industrial (C&I;) Role Summary The BESS Electrical Design Engineer is responsible for the design Control Engineering for BESS Product Engineering team for Utility-scale and C&I; energy storage solutions. this role focuses on end-to-end ownership of control algorithms across the full product lifecyclefrom concept and system design through validation, certification, and global deployment. Key Responsibilities Control System Design & Development - Design, develop, and maintain control algorithms for Battery Energy Storage Systems, covering: - Power and energy management - Charge/discharge scheduling - Voltage, frequency, and reactive power control - Understand BMS design and step - Control Interface with EMS, BESS controller, PPS and other required Equipments. - Develop control strategies for utility-scale and C&I; applications, including: - Frequency regulation and grid services - Renewable energy integration - Peak shaving and energy arbitrage - Backup power and microgrid operation - Implement control functions on real-time controllers and industrial-grade embedded platforms. Data Analysis, Simulation & Validation - Develop detailed control models using MATLAB/Simulink and equivalent tools. - Support model-based development and auto-code generation workflows where applicable. - Lead and execute SIL, HIL, and system-level validation to ensure robust control performance under: - Normal operating conditions - Grid disturbances and abnormal scenarios - Fault and recovery conditions - Analyse performance metrics and continuously improve stability, accuracy, and efficiency of control algorithms. System Integration & Cross-Functional Collaboration - Work closely with PCS (Power Conversion System), BMS, EMS, system architecture, and grid compliance teams to ensure seamless integration. - Ensure coherent control behaviour across: - Inverter control layers - Battery and protection constraints - Site-level and fleet-level EMS commands - Support Factory Acceptance Tests (FAT), Site Acceptance Tests (SAT), and commissioning activities globally as needed. Standards, Compliance & Product Lifecycle - Design controls compliant with global grid codes and utility interconnection requirements. - Support certification and product qualification activities for different regions. - Contribute to product roadmaps, reuse strategies, and platform standardization initiatives. - Create and maintain high-quality technical documentation, control specifications, and design review artefacts in line with OEM processes. - Participate in design reviews, failure analyses, and continuous improvement initiatives across product generations. Required Skills & Experience Technical Expertise - 510 years of experience in control engineering for power electronics, grid-connected systems, or energy storage products. - Strong proficiency in: - Control system theory and practical implementation - MATLAB/Simulink modeling and simulation - Real-time or embedded control systems - Solid understanding of: - Inverter-based power conversion systems - Battery operational limits and interaction with control layers - Coordinated control between BMS, PCS, and EMS - Experience with SIL / HIL testing and real-time simulators. - Familiarity with industrial communication protocols (e.g., CAN, Modbus). Grid & System Knowledge - Hands-on experience with utility and C&I; grid-connected systems. - Robust understanding of: - Voltage and frequency regulation - Grid-following and grid-supportive control strategies - Islanding, reconnection, and abnormal grid behavior - Exposure to international standards and grid codes relevant to stationary BESS. Preferred Qualifications - Bachelors or Masters degree in Electrical Engineering, Control Systems, Power Electronics, or related field. - Experience working within a large OEM or global product organization. - Knowledge of functional safety, redundancy, and fault-tolerant control concepts. - Exposure to multi-site development, global product deployment, or fleet-scale energy systems. - Experience supporting long-life infrastructure products with high reliability and availability requirements. Professional & Behavioral Competencies - Strong system-level thinking and analytical skills. - Ability to work within structured engineering processes and quality systems. - Effective communication with cross-cultural and cross-functional teams. - Ownership mindset with focus on reliability, safety, and long-term product performance. .