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,Solid 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

📌 Mechanical Design Engineer (Bengaluru)
🏢 LT-Larsen & Toubro
📍 Bengaluru