[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 # Group Lead -Mechanical Design India>Karnataka>Bengaluru Manager or lead 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_GL-D_1882193) [OpenNash Jobs](https://jobs.opennash.com/) / [Larsen & Toubro](https://jobs.opennash.com/companies/larsen-toubro/) / Group Lead -Mechanical Design ## Job description Provide end-to-end leadership for mechanical engineering and thermal systems 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 (Solar Inverters, BESS/PCS, EV Chargers, Electrolysers, and Industrial Power Electronics products.)Key Responsibilities1. Mechanical & Thermal Architecture LeadershipDefine mechanical system architecture for: Solar Inverters (String & Central)BESS / PCS Cabinets & ContainersEV Chargers (AC, DC Fast, Ultra-Fast)Electrolyser Power Supply Systems and other industrial 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 & CADThermal & CFD EngineeringStructural & Sheet-Metal DesignPackaging & Industrial DesignEstablish 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.4. Thermal, Reliability & Environmental ValidationOwn thermal validation plans (steady-state, transient, derating analysis).Drive CFD simulations and correlation with physical testing. Ensure compliance with: Temperature rise limitsNoise & vibration requirementsEnvironmental tests (IP, salt mist, humidity, dust)5. 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.6. Cross-Functional & Business EngagementWork closely with: Electrical & Power Electronics EngineeringSystems & 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 preferredExperience15+ 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 Solar Inverter & PCS,BESS Container ManufacturersEV Charger OEMs and Industrial Power Electronics Companies. ## 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_GL-D_1882193) ## 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 ### [Gas Turbine Mechanical Design, Group Lead](https://jobs.opennash.com/companies/siemens-energy/jobs/6321a90e898d962b86ce/) Siemens Energy ### [Staff Physical Design Engineer - Custom Silicon Group](https://jobs.opennash.com/companies/qualcomm/jobs/fabbe4056864b0076098/) Qualcomm · Bangalore, India ### [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 OpenNash lists jobs from employers’ own careers sites and does not handle applications. Dates come from the employer where stated; “first seen” and “last checked” are our own observations. OpenNash Jobs · Official listings with dates and links to the employer. [Weekly hiring report](/reports/hiring/) · [Methodology](/methodology/)