Larsen & Toubro · India>Karnataka>Bengaluru
BESS Mechanical Design Engineer
Listed on Larsen & Toubro’s official careers site. Posted October 7, 2026. Check that it is still open and apply there.
Apply on Larsen & Toubro’s careers site →Job description
Key Responsibilities1. Mechanical Architecture & Enclosure, Cabinet & Container Design
- Define form factor, layout, and assembly strategy for modular & containerized BESS
Prepare and maintain
- o 3D models & 2D drawings o BOMs & assembly instructions
- Installation and service manuals
- Ensure proper revision and change management.
- Follow design best practices and motivate fellow designers to follow
- Design LFP Battery modules, racks, Cabinet & BESS Container structures
- Ensure IP protection, corrosion resistance, and environmental robustness.2. Integration of Thermal & Cooling Components
Integrate thermal management solutions
- Forced air cooling
- Liquid cooling (cold plates, heat exchangers)
- Optimize airflow paths, heat sink design, and component placement.3.
Structural & Mechanical Analysis
- Design Support for structural FEA for static, dynamic, vibration, fatigue, seismic, and transportation loads.
- Design for safe lifting, load distribution, shock resistance, clearances, handling, and installation.4. Integration with Electrical, Fire & Control Systems
- Coordinate with electrical and control teams on:
- Component placement & clearances
- Cable routing and bending radius o EMI shielding & segregation o HV/LV cabinets, busbars, grounding points, and cable trays.
- Ensure creepage, clearance, and safety requirements are mechanically supported.
- Work with electrical teams to ensure proper placement of
- Integrate fire detection, suppression, and venting mechanisms (e.g., FACP, smoke ducts, deflagration panels).
Sensitivity
This Document is classified as "LNT General Business". Mechanical Design Engineer (or Senior Engineer) |Battery Energy Storage Systems5. DFM, DFA & Industrialization
- Design for manufacturability, assembly, and serviceability.
- Balance performance, safety, manufacturability, and cost.
- Select materials and finishes considering cost, durability, and environment.
- Support prototype builds, NPI, and production ramp-up.
- Drive cost reduction and weight optimization initiatives.
- Closely Work closely with System engineering, Electrical design team, Thermal engineering, Safety engineering, Program management, Supply chain & manufacturing, Drive design reviews, DFMEA, PFMEA, and issue resolution.
- Support supplier qualification for racks, sheet metal, and enclosure components.
- Support Process & manufacturing teams Tooling, jigs & fixtures, Weld & fabrication process selection Assembly line setup, Takt time and manufacturability improvements 6. Testing, Validation & Compliance
Support mechanical and environmental testing
- Thermal cycling o IP / ingress tests
- Vibration & shock tests
- Support certification to IEC, UL, NFPA and ISO standards.
- Ensure compliance with global mechanical standards
- Resolve mechanical field issues and drive corrective actions.Education & Experience
- Diploma or BE / BTech in Mechanical Engineering
- 3–5 years in mechanical design for Energy Storage Systems, its Enclosure & Cabinet
- CAD tools (SolidWorks preferred) professional level hands-on experience is must
- DFM/DFA principles, DFMEA, Proto Development Support
- Ability to Interpret Thermal, CFD & Structural analysis reports
Preferred Industry Background
- LFP Battery Pack, BESS Cabinet, & BESS container system manufacturers ----------------------------------------End of Document-----------------------------------
Qualifications
Degree In Mech/Marine Engg
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