Sr. Mechanical Design Engineer | Power Electronics Products & Systems

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
1. Mechanical Architecture & Enclosure Design
- Design product and system-level mechanical architecture for:
- Solar inverters (string & central)
- PCS & BESS containers
- EV chargers (AC/DC)
- Electrolysers & power supply cabinets
- Develop enclosures, cabinets, skids, and container layouts.
- Ensure IP protection, corrosion resistance, and environmental robustness.

2. 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.

3. 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.

4. 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.

5. DFM, DFA & Industrialization
- Design for manufacturability, assembly, and serviceability.
- Select materials and finishes considering cost, durability, and workplace.
- Support prototype builds, NPI, and production ramp-up.
- Drive cost reduction and weight optimization initiatives.

6. Testing, Validation & Compliance
- Support mechanical and environmental testing:
- Thermal cycling
- IP / ingress tests
- Vibration & shock tests
- Support certification to IEC, UL, an

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