L&
Mechanical Design Engineer
Accepting applicationsLarsen & Toubro · Bengaluru, Karnataka, India
Full-Time Principal aiaterf
Posted
4d ago
Category
Test
Experience
Principal
Country
India
Mechanical Design Engineer | Power Electronics Products & Systems (P12a)
Role Purpose
Design 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 Responsibilities
Mechanical Architecture & Enclosure Design
Design product and system-level mechanical architecture for:
AC/DC- DC/DC Converters
Solar inverters (string & central)
PCS & BESS containers
EV chargers (AC/DC)
Electrolysers & power supply cabinets
High Voltgae Power Supplies
Develop enclosures, cabinets, skids, and container layouts.
Ensure IP protection, corrosion resistance, and environmental robustness.
Thermal & Cooling Design
Design thermal management solutions:
Forced air cooling
Liquid cooling (cold plates, heat exchangers)
Perform thermal simulations (CFD) and support validation.
Optimize airflow paths, heat sink design, and component placement.
Structural & Mechanical Analysis
Perform structural analysis for:
Static & dynamic loads
Transportation & seismic conditions
Ensure compliance with wind, seismic, and shock/vibration requirements.
Design for safe lifting, handling, and installation.
Integration with Electrical & Control Systems
Coordinate with electrical and control teams on:
Component placement & clearances
Cable routing and bending radius
EMI shielding & segregation
Ensure creepage, clearance, and safety requirements are mechanically supported.
DFM, DFA & Industrialization
Design 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.
Testing, Validation & Compliance
Support mechanical and environmental testing:
Thermal cycling
IP / ingress tests
Vibration & shock tests
Support certification to IEC, UL, and ISO standards.
Resolve mechanical field issues and drive corrective actions.
Documentation & Configuration Control
Prepare and maintain:
3D models & 2D drawings
BOMs & assembly instructions
Installation and service manuals
Ensure proper revision and change management.
Key KPIs
Thermal performance & reliability
First-pass build success
Cost & weight targets
Field failure rate
Education & Experience
BE / BTech in Mechanical Engineering
6–12+ years in mechanical design for power electronics or industrial equipment
Experience in Enclosure & cabinet design,
Strong understanding in Thermal management & CFD, Structural analysis
CAD tools (Creo, SolidWorks, NX)
DFM/DFA principles
Preferred Industry Background
Solar inverter OEMs
PCS / BESS system manufacturers
EV charging infrastructure
Industrial power electronics
Show more Show less
Role Purpose
Design 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 Responsibilities
Mechanical Architecture & Enclosure Design
Design product and system-level mechanical architecture for:
AC/DC- DC/DC Converters
Solar inverters (string & central)
PCS & BESS containers
EV chargers (AC/DC)
Electrolysers & power supply cabinets
High Voltgae Power Supplies
Develop enclosures, cabinets, skids, and container layouts.
Ensure IP protection, corrosion resistance, and environmental robustness.
Thermal & Cooling Design
Design thermal management solutions:
Forced air cooling
Liquid cooling (cold plates, heat exchangers)
Perform thermal simulations (CFD) and support validation.
Optimize airflow paths, heat sink design, and component placement.
Structural & Mechanical Analysis
Perform structural analysis for:
Static & dynamic loads
Transportation & seismic conditions
Ensure compliance with wind, seismic, and shock/vibration requirements.
Design for safe lifting, handling, and installation.
Integration with Electrical & Control Systems
Coordinate with electrical and control teams on:
Component placement & clearances
Cable routing and bending radius
EMI shielding & segregation
Ensure creepage, clearance, and safety requirements are mechanically supported.
DFM, DFA & Industrialization
Design 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.
Testing, Validation & Compliance
Support mechanical and environmental testing:
Thermal cycling
IP / ingress tests
Vibration & shock tests
Support certification to IEC, UL, and ISO standards.
Resolve mechanical field issues and drive corrective actions.
Documentation & Configuration Control
Prepare and maintain:
3D models & 2D drawings
BOMs & assembly instructions
Installation and service manuals
Ensure proper revision and change management.
Key KPIs
Thermal performance & reliability
First-pass build success
Cost & weight targets
Field failure rate
Education & Experience
BE / BTech in Mechanical Engineering
6–12+ years in mechanical design for power electronics or industrial equipment
Experience in Enclosure & cabinet design,
Strong understanding in Thermal management & CFD, Structural analysis
CAD tools (Creo, SolidWorks, NX)
DFM/DFA principles
Preferred Industry Background
Solar inverter OEMs
PCS / BESS system manufacturers
EV charging infrastructure
Industrial power electronics
Show more Show less