Mechanical Engineering Architect - Mechanical Design

Larsen & Toubro; Bengaluru; On-site; INR 1,800,000 - 2,400,000; Full time

Job summary

Larsen & Toubro in Bangalore is seeking an experienced Mechanical Engineering Architect to own the mechanical design and integration of an X-in-1 EV drivetrain system.

You will define the complete mechanical architecture, oversee packaging for motor, gearbox, inverter, OBC, DC-DC, PDU, cooling, and enclosures, and coordinate with cross-functional teams including electrical, thermal, software, testing, manufacturing and OEMs.

Qualifications

• 8–15 years of experience in mechanical design, structural analysis, packaging, or product development.
• BE/B.Tech or ME/M.Tech in Mechanical Engineering, Automotive Engineering, Mechatronics, or related field.
• Specialization in machine design or automotive systems is an advantage.

Responsibilities

• Define the complete mechanical architecture for X-in-1 EV drivetrain systems; develop packaging concepts.
• Finalize mechanical envelope, mounting strategy, and subsystem interfaces.
• Work on vehicle-level integration, mounting points, clearances, serviceability and installation needs.
• Perform and guide structural analysis of housings, brackets, enclosures, and mounting structures.
• Coordinate with motor and gearbox suppliers for drawings, tolerances, and validation.
• Collaborate with thermal/CFD teams to integrate cooling and thermal interfaces.
• Support prototype, supplier, and manufacturing drawings and assembly documentation.

Skills

Mechanical design

Structural analysis

Packaging

GD&T

3D CAD

CAE tools

EV systems integration

Education

BE/B.Tech or ME/M.Tech in Mechanical Engineering

Automotive Engineering / Mechatronics specialization

Tools

CATIA

Creo

SolidWorks

NX

ANSYS Mechanical

HyperWorks

Abaqus

Job description

Job Description: Mechanical Engineering Architect – Mechanical Design

Location: Bangalore

Experience: 8-15 years

About The Role

We are looking for an experienced Mechanical Engineering Architect to lead the mechanical design, structural analysis, packaging, enclosure design, motor mechanical design, and gearbox integration activities for our X-in-1 Electric Drivetrain Systems.

The candidate will be responsible for defining the complete mechanical architecture of integrated EV powertrain systems, including motor, gearbox, inverter, OBC, DC-DC converter, PDU, cooling systems, busbar routing, connectors, mounting interfaces, and enclosure packaging.

This role requires strong expertise in mechanical product design, structural and thermal-mechanical considerations, manufacturability, vehicle integration, supplier interaction, and cross-functional coordination with electrical, electronics, thermal, software, testing, manufacturing, and OEM teams.

Roles And Responsibilities

• Define the complete mechanical architecture for X-in-1 EV drivetrain systems. Develop optimal packaging concepts for motor, gearbox, inverter, OBC, DC-DC, PDU, cooling system, connectors, and harness interfaces.
• Finalize mechanical envelope, mounting strategy, component placement, and subsystem interfaces.
• Work on vehicle-level integration, mounting points, clearances, serviceability, and installation requirements.
• Perform and guide structural analysis of housings, brackets, covers, enclosures, mounting structures, and load-bearing parts.
• Evaluate mechanical strength under vehicle loads, road loads, torque reactions, thermal expansion, and assembly stresses.
• Support correlation of CAE results with physical test results.
• Work on motor housing, cooling jacket, shaft interface, bearing arrangement, rotor-stator packaging, resolver/sensor mounting, and terminal connections.
• Evaluate motor mechanical constraints such as rotor dynamics, bearing loads, sealing, cooling, manufacturability, and assembly sequence.
• Coordinate with motor suppliers for drawings, interfaces, tolerances, cooling requirements, and validation requirements.
• Coordinate with gearbox suppliers for gear ratio, torque capacity, NVH, lubrication, durability, packaging, and interface requirements.
• Work on geartrain layout, housing integration, bearing supports, shafts, differential interface, lubrication, sealing, and mounting.
• Review gearbox design from the perspective of strength, manufacturability, assembly, serviceability, and vehicle integration.
• Support design reviews for motor-gearbox mechanical coupling and alignment.
• Design and architect enclosures for power electronics, motor controller, OBC, DC-DC, PDU, and integrated drivetrain systems.
• Define sealing strategy, gasket design, fastener strategy, creepage/clearance-related mechanical barriers, and service covers.
• Work closely with thermal and CFD teams to integrate cold plates, cooling jackets, coolant passages, and thermal interfaces.
• Support prototype drawings, supplier drawings, manufacturing drawings, and assembly documentation.
• Support RFIs, RFQs, technical evaluations, supplier selection, and supplier development activities.
• Support mechanical validation planning for vibration, shock, thermal cycling, IP testing, salt spray, durability, mounting strength, and environmental tests.

Eligibility

• 8 to 15 years of experience in mechanical design, structural analysis, packaging, or product development.
• B.E./B.Tech or M.E./M.Tech in Mechanical Engineering, Automotive Engineering, Mechatronics, or related engineering discipline.
• Specialization in machine design, structural analysis, automotive systems, or product design will be an added advantage.

Desired Skills

• Strong knowledge of mechanical design principles, structural analysis, packaging, GD&T, tolerance stack-up, and manufacturing processes.
• Hands-on experience in 3D CAD tools such as CATIA, Creo, SolidWorks, NX, or equivalent.
• Experience with CAE tools such as ANSYS Mechanical, HyperWorks, Abaqus, Nastran, or equivalent.
• Experience with integrated EV systems, e-axle, or electric drive units.
• Ability to convert high-level requirements into practical mechanical architecture.
• Good communication and coordination skills with internal teams, OEMs, and suppliers.

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.