Hardware Developer -EV

Larsen & Toubro; Bengaluru; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Larsen & Toubro is seeking a Power Electronics Hardware Engineer to support high‑voltage EV drivetrain electronics development. The role covers hardware design, component selection, schematic development, PCB coordination, prototype bring‑up and test for 400 V and 800 V platforms.

The candidate should have strong fundamentals in power electronics, HV EV systems, and analog/digital circuits, with ability to drive from concept to prototype.

Qualifications

• Total experience 3–5 years in power electronics hardware design.
• M.E./M.Tech in Power Electronics and Drives.
• Knowledge of HV EV systems, components selection, derating, EMI/EMC basics.

Responsibilities

• Design hardware for 400V/800V EV power electronics systems and modules.
• Define hardware architectures per system requirements and packaging constraints.
• Select components like IGBT/SiC/MOSFET, gate drivers, capacitors, sensors, and protection devices.
• Develop schematics for power stages, gate drivers, sensing paths, and HV interfaces.
• Coordinate with PCB layout for high current/high voltage design and EMI considerations.
• Perform prototype bring-up and system-level testing, support integration with drive systems.

Skills

Power electronics

High voltage

Analog circuits

Digital circuits

Prototype development

Schematic design

Education

M.E./M.Tech in Power Electronics and Drives

Tools

IGBT/SiC/MOSFET selection

Gate drivers

PCB layout coordination

EMI/EMC filters

HV bus design

Job description

Job Description: Power Electronics Engineer – EV Drivetrains

Location: Bangalore

Experience: 3-10 years

About The Role

We are looking for a Power Electronics Hardware Engineer to support the development of high-voltage EV drivetrain electronics for our X-in-1 integrated powertrain systems. The role involves hardware design, component selection, schematic development, PCB design coordination, prototype bring-up, validation support, and system integration for 400 V and 800 V EV power electronics platforms.

The engineer will work on key subsystems such as the Motor Control Unit/Inverter, PDU, On-Board Charger, DC-DC Converter, DC bus architecture, gate driver circuits, sensing circuits, power supplies, protection circuits, and system-level hardware integration.

This role is suitable for candidates with strong fundamentals in power electronics hardware design, EV high-voltage systems, analog/digital circuits, semiconductor devices, and product development from concept to functional prototype.

Roles And Responsibilities

• Design and develop hardware for 400V EV power electronics systems including Motor Control Unit/Traction Inverter, Power Distribution Unit, On-Board Charger, DC-DC Converter, DC Bus interconnect architecture, X-in-1 system level integration
• Perform detailed hardware architecture definition based on system requirements, vehicle requirements, power ratings, thermal limits, safety requirements, and packaging constraints.
• Select suitable components for high voltage EV applications, including IGBT/SiC/MOSFET, Gate Drivers, DC Link Capacitors, Sensors, Sensing circuits, contactors, fuses, magnetics, EMI/EMC filters, Busbars, etc
• Carry out component derating analysis and prepare design calculations
• Develop detailed schematics for power stages, gate drivers, sensing paths, auxiliary power supplies, protections, control cards, comm interfaces, HVIL and safety circuits
• Work closely with PCB layout engineers for – high current layout, high voltage creepage and clearance, loop optimisations, EMI-EMC sensitive routing, isolation barriers, vias and copper balancing, groundings, etc.
• Carry out functional bring-up of prototype hardware boards and complete EV power electronics systems.
• Perform board level and subsystem level testing.
• Support integration testing with motor, gearbox, battery simulator, dyne, vehicle controller and BMS.
• Support integration of MCU, PDU, OBC, DC-DC, motor, gearbox, cooling system and control electronics into a compact X-in-1 EV drivetrain system.
• Support design reviews, schematic reviews, PCB reviews, prototype reviews and customer/OEM technical discussions.
• Coordinate with mechanical, thermal, software, motor, gearbox and vehicle integration teams.

Eligibility

• Total experience – 3 to 5 years in power electronics hardware design, preferably in EV, automotive, industrial drives, chargers, DC-DC converters, motor controllers or high-voltage systems.
• M.E. / M.Tech in Power Electronics and Drives.
• The candidate should have knowledge of power electronics fundamentals, HV EV systems, components selection, magnetics design, schematics designs, thermal and electrical derating, EMI EMC design basic

Desired Skills

• Understanding of automotive development processes
• Experience working with suppliers, semiconductor vendors and PCB manufacturers
• Hands-on approach to hardware bring-up and debugging
• Willingness to work in fast-paced EV product development environments

L&T Company Overview / About Us

L&T is a USD 30 billion Indian multinational engaged in EPC Projects, Hi-Tech Manufacturing, and Services, operating across multiple geographies. A strong, customer–focussed approach and the constant quest for top-class quality have enabled L&T to attain and sustain leadership in its major lines of business for eight decades.

Given L&T’s capability in strategic electronics and leveraging its foray into semiconductor design and well-established capabilities in L&T Technology Services, the business is expanding its offerings to cover industrial electronic modules, products and systems in critical sectors of Power Electronics, Automotive Electronics, Industrial Robotics & Automation, Communication Platforms and Electronic Systems Design & Manufacturing (ESDM). The focus products under Automotive Electronics are ADAS, Electrification & Connectivity related products.