Power Electronics Design Engineer – Traction Converter (P10)Role overviewAs a Power Electronics Design Engineer, you will be responsible for the detailed design, development, and validation of high-performance power electronic components and subsystems used in traction converter for EV power trains. You need to translate system-level requirements into schematics, prototypes, and production-ready designs, playing a key role in bringing cutting-edge power electronics solutions to life.Key ResponsibilitiesDesign and develop power conversioncircuits and modulesfortraction inverters, gate drive and protection circuits) based on system-level specifications and requirements.Perform detailed schematic capture, PCB layout guidance, and component/device selection for high-efficiency power circuits.Perform simulation, analysis, and optimization of power stages, switching topologies, thermal performance, and EMI/EMC characteristics, filter design using tools such as LTspice, PLECS, and MATLAB/Simulink and hardware testing to validate designs.Design:High-voltage DC-AC traction inverterDC-DC converters in vehicle platformsSemiconductor selection(SiC MOSFET / IGBT modules)Gate drivercircuit design (dv/dt immunity, Miller clamp, short-circuit protection)Switching loss & conduction loss modellingThermal modelling and cooling strategy definitionMagnetics and busbardesign optimizationOptimize design for motor control algorithms, various drive cycles like WLTP, MIDCSupport EMI/EMC mitigation, thermal management, and protection strategy implementation.Collaborate with cross-functional teams (firmware, mechanical, testing, manufacturing)



to ensure seamless integration and validation of designs.Provide inputs for concept design, packaging and development of the product.Support prototype bring-up, lab testing, and power bench measurements while driving root cause analysis and iterative debugging during validation, field trials, and production ramp-upDevelop test jigs for the testing of the products."Generate and maintain comprehensive technical documentation—including schematics, BOMs, layout files, design reports, validation records, and change logs—to ensure traceability and design integrity throughout the development lifecycleSupport and participate in design reviews, DFMEA/DFM activities, and failure analysis investigations, contributing to the refinement of design standards and continuous improvement of engineering practicesOwnership of design deliverableswith solid communication skills, fosters effective collaboration across multidisciplinary teams, and maintains a commitment to continuous learning and engineering excellence.Required Qualifications & ExperienceM.Tech in Power Electronics & drives or related discipline5 – 10+ years of hands-on experience in power electronics design, preferably in drives or EVs with Power rating of 10kW and aboveDemonstrate in-depth expertise in power conversion topologies,



high-voltage design practices, magnetic component design, switching devices (IGBTs, MOSFETs, SiC/GaN) selectionand advanced gate drive techniques.Converter Hardware testing experience.Experience with embedded control integration and analog/digital interface design.Proficiency in design tools such as Cadence/Altium Designer (or equivalent), LTspice, PSIM, MATLAB/Simulink, and thermal/EMI simulation platforms.Familiarity with hardware debugging tools including oscilloscopes, power analyzers, and thermal camerasWell-versed in EMI/EMC compliance, thermal management strategies, protection schemes, and safety and regulatory requirements across component and system-level design· Experience with high-power, high-frequency switching applications and thermal/EMC mitigation strategies.· Knowledge ofISO 26262 (ASIL C/D preferred)requirements.Understand the real work requirementsPreferred QualificationsExperience in high-reliability industrial applications automotive power train.Expertise in:400V–1000V HV systemsSiC/IGBT-based traction invertersAC-DC and DC-DC automotive convertersMotor drives and controlKnowledge of AUTOSAR-based system integrationExperience with drive cycle analysis and efficiency optimizationProficiency in simulation tools (MATLAB/Simulink, PLECS, LTspice)Strong hands-on lab debugging capability· Familiarity with model-based design tools and hardware-in-the-loop (HIL) testing environments.Self-driven, detail-oriented engineer with strongtechnical documentation, problem-solving skills, collaborative mind-set.

📌 PE Design Engineer - Traction Converter (Bengaluru)
🏢 LT-Larsen & Toubro
📍 Bengaluru