Control Engineer -Battery Energy Storage Systems (BESS)

Job Title: Control Engineer -Battery Energy Storage Systems (BESS)Location: Bengaluru, IndiaExperience: 5-10 YearsBusiness Unit: PES - EPSSegment: Utility-Scale & Commercial & Industrial (C&I)Role SummaryThe 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 lifecycle—from concept and system design through validation, certification, and global deployment.Key ResponsibilitiesControl System Design & DevelopmentDesign, develop, and maintain control algorithms for Battery Energy Storage Systems, covering:Power and energy managementCharge/discharge schedulingVoltage, frequency, and reactive power controlUnderstand BMS design and stepControl Interface with EMS, BESS controller, PPS and other required Equipment’s.Develop control strategies for utility-scale and C&I applications, including:Frequency regulation and grid servicesRenewable energy integrationPeak shaving and energy arbitrageBackup power and microgrid operationImplement control functions on real-time controllers and industrial-grade embedded platforms.Data Analysis, Simulation & ValidationDevelop 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 conditionsGrid disturbances and abnormal scenariosFault and recovery conditionsAnalyse performance metrics and continuously improve stability, accuracy, and efficiency of control algorithms.System Integration & Cross-Functional CollaborationWork 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 layersBattery and protection constraintsSite-level and fleet-level EMS commandsSupport Factory Acceptance Tests (FAT), Site Acceptance Tests (SAT), and commissioning activities globally as needed.Standards, Compliance & Product LifecycleDesign 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 & ExperienceTechnical Expertise5-10 years of experience in control engineering for power electronics, grid-connected systems, or energy storage products.Strong proficiency in:Control system theory and practical implementationMATLAB/Simulink modeling and simulationReal-time or embedded control systemsSolid understanding of:Inverter-based power conversion systemsBattery operational limits and interaction with control layersCoordinated control between BMS, PCS, and EMSExperience with SIL / HIL testing and real-time simulators.Familiarity with industrial communication protocols (e.g., CAN, Modbus).Grid & System KnowledgeHands-on experience with utility and C&I grid-connected systems.Strong understanding of:Voltage and frequency regulationGrid-following and grid-supportive control strategiesIslanding, reconnection, and abnormal grid behaviorExposure to international standards and grid codes relevant to stationary BESS.Preferred QualificationsBachelor’s or Master’s 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 CompetenciesStrong 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.