[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_1882160) [OpenNash Jobs](https://jobs.opennash.com/) / [Larsen & Toubro](https://jobs.opennash.com/companies/larsen-toubro/) / Mechanical Design Engineer ## Job description Mechanical Design Engineer | Power Electronics Products & SystemsRole PurposeDesign and deliver robust, thermally efficient, and manufacturable mechanical solutions for power electronics products and systems, ensuring reliability, safety, serviceability, and compliance across indoor and outdoor deployments.Key Responsibilities1. Mechanical Architecture & Enclosure DesignDesign product and system-level mechanical architecture for: Solar inverters (string & central)PCS & BESS containersEV chargers (AC/DC)Electrolysers & power supply cabinetsDevelop enclosures, cabinets, skids, and container layouts.Ensure IP protection, corrosion resistance, and environmental robustness.2. ### Thermal & Cooling DesignDesign thermal management solutions Forced air coolingLiquid cooling (cold plates, heat exchangers)Perform thermal simulations (CFD) and support validation.Optimize airflow paths, heat sink design, and component placement.3. Structural & Mechanical AnalysisPerform structural analysis for: Static & dynamic loadsTransportation & seismic conditionsEnsure compliance with wind, seismic, and shock/vibration requirements.Design for safe lifting, handling, and installation.4. 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.5. DFM, DFA & IndustrializationDesign for manufacturability, assembly, and serviceability.Select materials and finishes considering cost, durability, and environment.Support prototype builds, NPI, and production ramp-up.Drive cost reduction and weight optimization initiatives.6. Testing, Validation & ComplianceSupport mechanical and environmental testing: Thermal cyclingIP / ingress testsVibration & shock testsSupport certification to IEC, UL, and ISO standards.Resolve mechanical field issues and drive corrective actions.7. Documentation & Configuration ControlPrepare and maintain:3D models & 2D drawingsBOMs & assembly instructionsInstallation and service manualsEnsure proper revision and change management.Key KPIsThermal performance & reliabilityFirst-pass build successCost & weight targetsField failure rateEducation & ExperienceBE / BTech in Mechanical Engineering3–10+ years in mechanical design for power electronics or industrial equipmentExperience in Enclosure & cabinet design,Strong understanding in Thermal management & CFD, Structural analysisCAD tools (Creo, SolidWorks, NX)DFM/DFA principlesPreferred Industry BackgroundSolar inverter OEMsPCS / BESS system manufacturersEV charging infrastructureIndustrial power electronics ## Qualifications Bachelor of Engineering (BE) ## 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_1882160) ## 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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