Tech Lead -Mechanical Design | Power Electronics Product & Systems (P11b)

Role

Provide end-to-end leadership for mechanical engineering 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 (AC-DC/DC-DC Converters, EV Chargers and Industrial Power Electronics products.)

Key Responsibilities

1.

Mechanical & Thermal Architecture Leadership

- Define mechanical system architecture for:High Voltage EV Chargers (AC, DC Rapid, Ultra-Fast)Solar Inverters (String & Central)Automotive On-board Chargers/ Drivetrain inverter /MCU enclosure designindustrial PE products
- Own thermal management strategy:Natural & forced air coolingLiquid cooling (cold plate, immersion where applicable)Heat exchanger and airflow optimization
- Define enclosure concepts, IP ratings, corrosion protection, and seismic/wind load compliance.

2.

Product Engineering & Execution

- Lead teams covering:Mechanical Design & CADPackaging & Industrial DesignThermal & CFD EngineeringStructural & Sheet-Metal Design
- Understand and implement 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 Ownership

- Own mechanical development across:Requirements → Concept → Detailed Design → Prototype → Validation → Production
- Implement 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.
- Prepare and maintain:3D models & 2D drawingsBOMs & assembly instructionsInstallation and service manuals
- Ensure proper revision and change management.

4.

Thermal, Reliability & Environmental Validation

- Own thermal validation plans (steady-state, transient, derating analysis).
- Coordinate with CFD team - Given input simulations and correlation with physical testing.
- Select heatsinks, cooling methods that are manufactural
- Ensure compliance with:Temperature rise limitsNoise & vibration requirementsEnvironmental tests (IP, salt mist, humidity, dust)
- Perform/Coordinate structural analysis for:Static & dynamic loadsTransportation & seismic conditionsEnsure compliance with wind, seismic, and shock/vibration requirements.Design for safe lifting, handling, and installation.

5.

Integration with Electrical & Control Systems

- Coordinate with electrical and control teams on:Component placement & clearancesCable routing and bending radiusEMI shielding & segregation
- Ensure creepage, clearance, and safety requirements are mechanically supported.

6.

Manufacturing, Quality & Field Support

- Support 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 development
- Improve yield, assembly time, and cost in production.

7.

Cross-Functional & Business Engagement

- Work closely with:Electrical & Power Electronics EngineeringCFD/Thermal, Structural Analysis teamsSystems & ControlsManufacturing, Quality, and Supply Chain
- Act as mechanical authority in customer and certification discussions.
- Support pre-sales and customization efforts.
- Build and mentor a high-performance mechanical engineering organization.

Education

- BE / BTech in Mechanical Engineering
- MTech / MS preferred

Experience

- 8+ years in mechanical engineering for power electronics or industrial products
- Proven leadership in high-power, thermally constrained systems
- Experience from concept to mass production environments
- Mechanical Design, Thermal Engineering, Packaging & Validation
- Should have handled team of mechanical design
- Should have experience in EV Charger OEMs and Industrial Power Electronics Companies.

Technical Competencies

- Thermal management of power electronics
- Solidworks/AutoCAD
- Understanding CFD tools (ANSYS, Flotherm, Icepak, etc.)
- Sheet metal, castings, plastics, and structural design
- Enclosure design (IP65/IP66/IP67)
- Shock, vibration, seismic & wind load analysis
- Acoustic noise reduction

Leadership & Behavioural Skills

- Strong system-level thinking
- Decision-making under technical and cost constraints
- People leadership & mentoring
- Cross-functional collaboration
- Continuous improvement mindset

Required Skill Profession

Engineers

📌 Mechanical Design Engineer (Bengaluru)
🏢 Larsen and Toubro
📍 Bengaluru