[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Larsen & Toubro jobs](https://jobs.opennash.com/companies/larsen-toubro/) · [Search jobs](/search/) Larsen & Toubro · India>Karnataka>Bengaluru # Mechanical Design Engineer India>Karnataka>Bengaluru Design Listed on Larsen & Toubro’s official careers site. Posted October 7, 2026. Check that it is still open and apply there. [Apply on Larsen & Toubro’s careers site →](https://larsentoubrocareers.peoplestrong.com/job/detail/LNT_MDE_1882161) [OpenNash Jobs](https://jobs.opennash.com/) / [Larsen & Toubro](https://jobs.opennash.com/companies/larsen-toubro/) / Mechanical Design Engineer ## Job description Tech Lead -Mechanical Design | Power Electronics Product & Systems (P11b)RoleProvide end-to-end leadership for mechanical engineering of power electronics products and integrated systems, ensuring robust mechanical architecture, effective thermal management, environmental protection, manufacturability, and lifecycle reliability across high-power, high-density electrical platforms (AC-DC/DC-DC Converters, EV Chargers and Industrial Power Electronics products.)Key Responsibilities1. Mechanical & Thermal Architecture LeadershipDefine mechanical system architecture for: High Voltage EV Chargers (AC, DC Fast, Ultra-Fast)Solar Inverters (String & Central)Automotive On-board Chargers/ Drivetrain inverter /MCU enclosure designindustrial PE productsOwn thermal management strategy: Natural & forced air coolingLiquid cooling (cold plate, immersion where applicable)Heat exchanger and airflow optimizationDefine enclosure concepts, IP ratings, corrosion protection, and seismic/wind load compliance.2. ### Product Engineering & ExecutionLead teams covering Mechanical Design & CADPackaging & Industrial DesignThermal & CFD EngineeringStructural & Sheet-Metal DesignUnderstand and implement mechanical design standards, guidelines, and review processes.Drive power density improvements through optimized packaging.Ensure design trade-offs between cost, thermal performance, reliability, acoustics, and serviceability.3. ### Product Development Lifecycle OwnershipOwn mechanical development across Requirements → Concept → Detailed Design → Prototype → Validation → ProductionImplement V-Model / Stage-Gate / APQP processes.Drive Design for Manufacturability (DFM), Design for Assembly (DFA), and Design for Serviceability (DFS).Lead value engineering and cost-reduction initiatives.Prepare and maintain:3D models & 2D drawingsBOMs & assembly instructionsInstallation and service manualsEnsure proper revision and change management.4. Thermal, Reliability & Environmental ValidationOwn thermal validation plans (steady-state, transient, derating analysis).Coordinate with CFD team - Given input simulations and correlation with physical testing.Select heatsinks, cooling methods that are manufacturalEnsure compliance with: Temperature rise limitsNoise & vibration requirementsEnvironmental tests (IP, salt mist, humidity, dust) Perform/Coordinate structural analysis for: Static & dynamic loadsTransportation & seismic conditionsEnsure compliance with wind, seismic, and shock/vibration requirements.Design for safe lifting, handling, and installation.5. Integration with Electrical & Control SystemsCoordinate with electrical and control teams on: Component placement & clearancesCable routing and bending radiusEMI shielding & segregationEnsure creepage, clearance, and safety requirements are mechanically supported.6. Manufacturing, Quality & Field SupportSupport NPI, pilot builds, and production ramp-up.Drive mechanical failure analysis, field issue RCA, and corrective actions. Work with supply chain on: Vendor qualificationLocalization & alternate sourcingTooling and fixture developmentImprove yield, assembly time, and cost in production.7. Cross-Functional & Business EngagementWork closely with: Electrical & Power Electronics EngineeringCFD/Thermal, Structural Analysis teamsSystems & ControlsManufacturing, Quality, and Supply ChainAct as mechanical authority in customer and certification discussions.Support pre-sales and customization efforts.Build and mentor a high-performance mechanical engineering organization.EducationBE / BTech in Mechanical EngineeringMTech / MS preferredExperience8+ years in mechanical engineering for power electronics or industrial productsProven leadership in high-power, thermally constrained systemsExperience from concept to mass production environmentsMechanical Design, Thermal Engineering, Packaging & ValidationShould have handled team of mechanical designShould have experience in EV Charger OEMs and Industrial Power Electronics Companies.Technical CompetenciesThermal management of power electronicsSolidworks/AutoCADUnderstanding CFD tools (ANSYS, Flotherm, Icepak, etc.)Sheet metal, castings, plastics, and structural designEnclosure design (IP65/IP66/IP67)Shock, vibration, seismic & wind load analysisAcoustic noise reductionLeadership & Behavioural SkillsStrong system-level thinkingDecision-making under technical and cost constraintsPeople leadership & mentoringCross-functional collaborationContinuous improvement mindset ## Qualifications Bachelor of Technology (BTech) ## At a glance - Posted by the employer: Oct 7, 2026 - First seen by OpenNash: Oct 12, 2026 - Last checked: Oct 19, 2026 - Listed for: 12 days - Location: India>Karnataka>Bengaluru[Apply on Larsen & Toubro’s careers site →](https://larsentoubrocareers.peoplestrong.com/job/detail/LNT_MDE_1882161) ## More jobs at Larsen & Toubro ### [Algorithm Architect - ADAS1](https://jobs.opennash.com/companies/larsen-toubro/jobs/4ce8e1e3dab54c64f37b/) India>Karnataka>Bengaluru ### [BESS Electrical Design Engineer](https://jobs.opennash.com/companies/larsen-toubro/jobs/1447a6cfb07abaa2026d/) India>Karnataka>Bengaluru ### [BESS Mechanical Design](https://jobs.opennash.com/companies/larsen-toubro/jobs/9f9ec11cccd839f4ec23/) India>Karnataka>Bengaluru ### [BESS Mechanical Design Engineer](https://jobs.opennash.com/companies/larsen-toubro/jobs/42381820d8512e380c46/) India>Karnataka>Bengaluru ### [Battery Pack Design Engineer](https://jobs.opennash.com/companies/larsen-toubro/jobs/4f8f374569cd9eb2d7dd/) India>Karnataka>Bengaluru ## Similar jobs at other companies ### [Mechanical Project Engineer (Design Engineer)](https://jobs.opennash.com/companies/siemens/jobs/fdc31e71d029076eed75/) Siemens ### [Mechanical Design Engineer](https://jobs.opennash.com/companies/abb/jobs/2edcebf5c9845cfeb89c/) ABB · Nashik, Mahārāshtra, India ### [Mechanical Design Engineer- PACS](https://jobs.opennash.com/companies/siemens/jobs/8490132f955c3b02e917/) Siemens ### [Transformer Mechanical Design Engineer](https://jobs.opennash.com/companies/hitachi/jobs/bb8b577da131d82c7c2f/) Hitachi · Shanghai, China ### [Mechanical Design Engineer (Tooling)](https://jobs.opennash.com/companies/lockheed-martin/jobs/9af1d5c13d2a5d1ac472/) Lockheed Martin · Ampthill, GBR OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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