Mechanical Engineering Architect - Mechanical Design

PeopleStrong; Bengaluru; On-site; INR 1,800,000 - 3,000,000; Full time

Job summary

L&T is seeking an experienced Mechanical Engineering Architect to lead the mechanical design and packaging of an X-in-1 EV drivetrain system. You will drive the complete mechanical architecture, from motor housing to cooling jackets, ensuring cross-functional coordination with electrical, thermal, software, and OEM teams.

You will define sealing strategies, mounting interfaces, and validation plans, while optimizing for manufacturability, serviceability, and vehicle integration in Bangalore.

Qualifications

• Experience in mechanical design, structural analysis, packaging, or product development.
• Strong knowledge of GD&T, tolerance stack-up, and manufacturing processes.
• Experience with 3D CAD tools (CATIA, Creo, SolidWorks, NX).
• Exposure to CAE tools and integrated EV systems.

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.
• Coordinate with motor and gearbox suppliers for drawings, tolerances, and validation requirements.

Skills

Mechanical design

Structural analysis

Packaging

GD&T

Tolerance stack-up

Manufacturing processes

3D CAD

Education

B.E./B.Tech or M.E./M.Tech in Mechanical Engineering

Automotive Engineering or Mechatronics

Tools

CATIA

Creo

SolidWorks

NX

ANSYS Mechanical

Job description

Mechanical Engineering Architect - Mecha...

LNT/MEA-MD/1882167

• DEIC-L&T Precision Engineering & Systems IC
• Bengaluru

Posted On 07 Oct 2026

End Date 05 Apr 2027

Required Experience 5 - 8 years

Knowledge & Posting Location

Drive Train Mechanical Design Powertrain - VCA - Vehicle Centric Application

Bachelor of Technology (BTech) & Master of Technology (MTech)

Job Description

Job Description: Mechanical Engineering Architect – Mechanical DesignLocation: BangaloreExperience: 8-15 yearsAbout the RoleWe 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.

• 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 yearsof 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.