Mechanical Design Engineer

PeopleStrong; Bengaluru; On-site; INR 1,500,000 - 2,500,000; Full time

Job summary

DEIC-L&T Precision Engineering & Systems IC is seeking a Mechanical Design Engineer to design robust, thermally efficient mechanical solutions for power electronics products and systems, ensuring reliability, safety and serviceability across indoor and outdoor deployments.

Responsibilities include mechanical architecture, enclosure design, thermal management, structural analysis, and integration with electrical/control teams, with emphasis on manufacturability and cost optimization.

Qualifications

• BE / BTech in Mechanical Engineering
• 6–12+ years in mechanical design for power electronics or industrial equipment
• Strong understanding in Thermal management & CFD, Structural analysis

Responsibilities

• Mechanical Architecture & Enclosure Design for power electronics products and systems.
• Thermal management design including forced air and liquid cooling.
• Structural & mechanical analysis for static, dynamic, seismic conditions.
• Integration with electrical and control systems for cable routing and EMI shielding.
• Design for manufacturability, assembly, and serviceability.
• Documentation including 3D models, drawings, BOMs, and manuals.
• Support prototype builds, NPI, and production ramp-up.

Job description

• DEIC-L&T Precision Engineering & Systems IC

Posted On 11 Mar 2026

End Date 07 Sep 2026

Required Experience 6 - 12 years

Skills

Knowledge & Posting Location

Product Design Product Development Leadership Abilities Power Electronics Power Converters Mechanical Engineering Solidworks ANSYS Autocad CAD Enclosure Design Panel Design ESC - Electronic System Cooling Thermal Management Packaging Engineering Manufacturing

Bachelor of Technology (BTech)

Job Description

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

1. 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.

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.
• 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.

6. 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.

7. 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
• Strong understanding in Thermal management & CFD, Structural analysis