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Control Engineer –battery Energy Storage Systems (bess)

Larsen & Toubro

Bengaluru, Karnataka, India
Expired On 28 Aug 2026a month ago

About the Job

Job Title: Control Engineer –Battery Energy Storage Systems (BESS)

Location: Bengaluru, India
Experience: 5–10 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 lifecycle—from 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 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 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 conditionsGrid disturbances and abnormal scenariosFault 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 layersBattery and protection constraintsSite-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

  • 5–10 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 systems
  • Solid understanding of: Inverter-based power conversion systemsBattery operational limits and interaction with control layersCoordinated 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.
  • Strong understanding of: Voltage and frequency regulationGrid-following and grid-supportive control strategiesIslanding, reconnection, and abnormal grid behavior
  • Exposure to international standards and grid codes relevant to stationary BESS.

    • Preferred Qualifications

  • Bachelor’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 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.
    • Location :Bengaluru, Karnataka, India

    About the Company

    Larsen & Toubro logo

    Larsen & Toubro

    Overview

    Larsen & Toubro (L&T) is an Indian multinational conglomerate established in 1938, known for its expertise in Engineering, Procurement, and Construction (EPC) projects, hi-tech manufacturing, and various services. Headquartered in Mumbai and Chennai, L&T operates in over 50 countries, making it India's largest engineering and construction organization. The company has a strong focus on professionalism, customer satisfaction, and sustainability, with a vision to achieve global benchmarks. L&T's core businesses encompass a wide range of sectors, including infrastructure, hydrocarbons, power, and water treatment. The company is also involved in hi-tech manufacturing, producing equipment for dairy, nuclear, and space applications, as well as earthmoving machinery. With a robust group structure that includes 93 entities, L&T has built a reputation for delivering high-impact projects and collaborating with notable clients such as Tata Group and India's nuclear program.
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