Electric Vehicle Traction Motor Product Engineer

Larsen & Toubro Ltd; Bengaluru; On-site; INR 1,500,000 - 2,100,000; Full time

Job summary

Larsen & Toubro Ltd. in Bengaluru seeks a Product Engineer – Traction Motor to drive end-to-end development of EV traction motors, from concept through validation and production launch.

You will define performance specs, collaborate with design, manufacturing, and suppliers, and ensure reliability, cost, and manufacturability targets are met across the motor architecture. The role emphasizes cross-functional program management, design reviews, and continuous improvement within a fast-paced

Qualifications

• Bachelor's or Master's degree in Electrical, Electronics, Mechanical, Automotive Engineering or related field.
• 6–10 years of experience in electric motor development or EV powertrain.
• Hands-on understanding of traction motor technologies and components.

Responsibilities

• Support end-to-end development of EV traction motors from concept to production.
• Define motor performance parameters: power, torque, speed, efficiency, and thermal targets.
• Collaborate across design, manufacturing, quality, and suppliers to meet requirements.
• Conduct design reviews and support DVP&R, PPAP, and product lifecycle activities.
• Perform validation planning, testing coordination, and data-driven improvements.

Skills

EV motor engineering

Analytical skills

Cross-functional collaboration

Project coordination

Education

Bachelor's or Master's in Electrical/Electronics/Mechanical/Automotive Engineering

Tools

MATLAB/Simulink

ANSYS

Motor-CAD

JMAG

Job description

Production Manager - Motor Business Unit: EPS Mobility Role: Product Engineer – Traction Motor The Product Engineer – Traction Motor is responsible for supporting the end-to-end product development, industrialization, validation, and lifecycle management of EV traction motors. The role will work closely with product management, design, manufacturing, quality, suppliers, and customers to translate market and customer requirements into technically feasible, competitive, reliable, and manufacturable traction motor products. The role covers the complete traction motor architecture including stator, rotor, housing, shaft, bearings, cooling systems, insulation systems, winding technologies, and motor assembly. The Product Engineer will support product definition from concept through design, prototype development, validation, production launch, and continuous product improvement. You will play a key role in ensuring that traction motor products meet performance, efficiency, cost, reliability, manufacturability, safety, and customer requirements, while supporting the organization’s product roadmap and electrification strategy.

Key Responsibilities

Product Development & Engineering

• Support the end-to-end development of EV traction motors from concept definition through SOP and product lifecycle management.
• Translate customer, vehicle, and system-level requirements into detailed motor product requirements and engineering specifications.
• Support the definition and development of motor architecture including stator, rotor, shaft, housing, bearings, cooling systems, insulation, and winding technologies.
• Work closely with motor design engineers to optimize motor performance, efficiency, torque-speed characteristics, NVH, thermal performance, and reliability.
• Support design trade-off studies considering performance, cost, manufacturability, weight, packaging, and scalability.
• Participate in design reviews and ensure product requirements are properly cascaded across mechanical, electrical, thermal, and manufacturing domains.
• Benchmark competing traction motor technologies, architectures, materials, and manufacturing approaches.

Product Requirements & System Engineering

• Develop and maintain Product Requirement Documents (PRD), technical specifications, and product feature definitions.
• Define key product performance parameters including power, torque, speed, efficiency, voltage, current, thermal limits, cooling requirements, and NVH targets.
• Support requirement management and traceability throughout the product development lifecycle.
• Coordinate with vehicle OEMs and internal stakeholders to understand application-specific requirements and duty cycles.
• Support system-level integration of the traction motor with inverter, transmission, battery, vehicle control systems, and thermal management systems.
• Identify critical-to-quality (CTQ) and critical-to-performance (CTP) parameters for traction motor products.

Traction Motor Technology & Design

• Develop technical understanding of various traction motor technologies including PMSM, IPM, SPM, induction motors, and emerging motor architectures.
• Support engineering activities related to stator laminations, winding systems, hairpin technology, conventional winding, insulation systems, rotor assemblies, magnets, and cooling systems.
• Evaluate different material and technology options including electrical steel, permanent magnets, copper conductors, insulation materials, adhesives, and thermal interface materials.
• Support electromagnetic, thermal, mechanical, and NVH optimization activities in collaboration with simulation and design teams.
• Participate in technology scouting and evaluation of next-generation motor technologies.

Validation, Testing & Performance Evaluation

• Support development of Design Verification (DV) and Product Validation (PV) plans for traction motors.
• Coordinate and monitor motor testing including performance mapping, efficiency, thermal performance, durability, vibration, NVH, dielectric strength, insulation resistance, and environmental testing.
• Analyze test results and identify deviations from product requirements.
• Support root cause analysis and corrective actions for validation failures.
• Work with test laboratories and external partners for specialized validation activities.
• Ensure test specifications, procedures, and acceptance criteria meet customer and industry requirements.
• Support End-of-Line (EOL) test strategy and performance parameter definition.

Cross-Functional Program Management

• Act as a technical interface between product management, engineering, manufacturing, quality, purchasing, suppliers, and customers.
• Support program planning, milestone tracking, risk management, and issue resolution.
• Track engineering deliverables and ensure alignment with project timelines.
• Participate in customer technical discussions and support clarification of product requirements.
• Coordinate cross-functional teams during prototype builds, validation, pilot production, and production launch.
• Escalate technical risks and support mitigation planning.

Problem Solving & Continuous Improvement

• Support structured problem-solving activities using 8D, 5-Why, Fishbone, and A3 methodologies.
• Investigate product performance issues during development, validation, manufacturing, and field operation.
• Drive continuous product improvements based on test data, manufacturing feedback, customer feedback, and field learnings.
• Support lessons-learned documentation and ensure knowledge is incorporated into future product development programs.
• Identify opportunities for product standardization and modular platform development.

Product Lifecycle Management

• Support product lifecycle management from concept development through production and end-of-life.
• Maintain product documentation including specifications, BOMs, drawings, validation reports, and engineering change records.
• Support Engineering Change Requests (ECR) and Engineering Change Orders (ECO).
• Monitor product performance and field feedback after SOP.
• Support product upgrades, cost optimization, reliability improvements, and technology refresh initiatives.
• Contribute to long-term traction motor product and technology roadmaps.

Qualifications

• Bachelor's or Master's degree in Electrical, Electronics, Mechanical, Automotive Engineering, or a related engineering discipline.
• 6–10 years of experience in electric motor development, traction motor engineering, EV powertrain, or automotive electrification.
• Hands‑on understanding of EV traction motor technologies such as PMSM, IPM, SPM, or induction motors.
• Experience or knowledge of traction motor components including stator, rotor, laminations, windings, permanent magnets, shafts, bearings, housings, and cooling systems.
• Familiarity with motor development processes including concept development, design, prototype builds, DV, PV, and production launch.
• Understanding of motor performance parameters including torque, power, speed, efficiency, thermal performance, NVH, and reliability.
• Exposure to motor manufacturing processes such as lamination stamping/stacking, winding, hairpin technology, impregnation, laser welding, magnet insertion, rotor assembly, and motor assembly.
• Familiarity with APQP, DFMEA, PFMEA, DVP&R, PPAP, and automotive product development processes is preferred.
• Knowledge of engineering tools and simulation environments such as MATLAB/Simulink, ANSYS, Motor-CAD, JMAG, or similar tools is an advantage.
• Strong analytical and problem‑solving skills with the ability to interpret engineering and test data.
• Experience working in cross‑functional teams involving design, manufacturing, quality, sourcing, suppliers, and customers.
• Strong communication, stakeholder management, project coordination, and decision‑making skills.
• Ability to work in a fast‑paced and evolving electrification environment.

Company Overview

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‑focused 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.