Control Engineer -Battery Energy Storage Systems (BESS)
Listed on Larsen & Toubro’s official careers site. Posted October 7, 2026. Check that it is still open and apply there.
Apply on Larsen & Toubro’s careers site →Job description
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.
Qualifications
Bachelor of Technology (BTech)
More jobs at Larsen & Toubro
Application Engineer
India>Karnataka>Bengaluru
BESS Application Engineer
India>Karnataka>Bengaluru
BESS control Engineering
India>Karnataka>Bengaluru
Civil Execution
India>Karnataka>Bengaluru
Control & Application SW Engineer (Power Electronics)
India>Karnataka>Bengaluru
Similar jobs at other companies
Master Thesis on Adaptive Distributed Control of Grid-Forming Battery Energy Storage Systems
Volvo Group · Göteborg, SE
(Senior) Research Scientist (f/m/d) – Optimization & Control for Energy and Industrial Applications (80-100%)
ABB · Mannheim, Baden-Wurttemberg, Germany
Battery Diagnostic Lead Engineer
Siemens Energy · Bucharest, Romania
Buildings Energy Engineer
Siemens
Asset Management - Equity Research - Lithium Battery and New Energy
JPMorganChase · Shanghai, China