Mechanical Design Engineer – Thermal Systems, FEA & CFD

We're looking for a Mechanical Design Engineer with hands-on experience in SolidWorks + FEA/CFD + Heat & Mass Transfer + manufacturing/fabrication.

Location: Bengaluru / Attibele, Karnataka
Experience: 3–6 years
Work Mode: Full-time | On-site

About EarthEn Energy

EarthEn Energy is building next-generation thermal energy storage solutions to decarbonize industrial heat. Our thermal energy storage systems enable industries to store and deliver high-temperature heat reliably using renewable energy and waste heat.

We are looking for a Mechanical Design Engineer with strong thermal engineering and simulation experience to work on the design and development of thermal energy systems, heat-transfer equipment and industrial mechanical products.

What You'll Do

- Take mechanical products and thermal systems from concept → 3D CAD → engineering calculations → detailed drawings → prototype → manufacturing → testing → design improvement.
- Design and develop heat exchangers, thermal systems, pressure-containing components, ducting, manifolds, piping, frames, supports and industrial equipment.
- Develop detailed 3D models and assemblies using SolidWorks.
- Prepare manufacturing-ready GA, fabrication, part and assembly drawings.
- Apply GD&T;, tolerance stack-up, DFMA and manufacturability principles.
- Perform heat-transfer, thermal, mechanical and structural calculations.
- Work on FEA and CFD simulations, including thermal/structural/flow analysis.
- Select suitable materials for mechanical and high-temperature applications.




- Design components involving sheet metal, welding and fabrication.
- Work with manufacturing teams, vendors and fabricators to take designs from CAD to physical products.
- Support prototype development, testing, validation and design iterations.
- Prepare and maintain BOMs, engineering documentation and revision-controlled drawings.

Non-Negotiable Technical Skills

- Strong SolidWorks proficiency
- 3D part and assembly modelling
- Engineering & manufacturing drawings
- GD&T; and tolerance stack-up
- Welding and fabrication design
- Sheet-metal design
- FEA and CFD / SIMULIA
- Heat and mass transfer
- Basic thermal, mechanical and structural calculations
- DFMA
- BOM preparation
- Material selection

Basic Knowledge Required

- Pressure vessel codes and standards
- Piping standards
- Flange selection and design

Valuable to Have

- HVAC and process ducting design
- Damper / valve selection
- Heat exchanger design
- Thermal energy storage systems
- Industrial heat-recovery systems
- High-temperature equipment
- Experience working with fabrication/manufacturing vendors

Education

- B.E./B.Tech in Mechanical Engineering
- M.E./M.Tech in Thermal Engineering or a related field is an advantage.

What We're Looking For

We are looking for someone who is not only a CAD designer but can connect mechanical design, thermal engineering, simulation and real-world manufacturing.

You should be comfortable taking ownership from design and calculations through fabrication, testing and iteration.

Pay: ₹1,200,000.00 - ₹1,600,000.00 per year

Work Location: In person

📌 Mechanical Design Engineer – Thermal Systems, FEA & CFD (Bengaluru)
🏢 EarthEn Energy
📍 Bengaluru