[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Larsen & Toubro jobs](https://jobs.opennash.com/companies/larsen-toubro/) · [Search jobs](/search/) Larsen & Toubro · India>Karnataka>Bengaluru # BESS Mechanical Design Engineer India>Karnataka>Bengaluru Design 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 →](https://larsentoubrocareers.peoplestrong.com/job/detail/LNT_BMDE_1882188) [OpenNash Jobs](https://jobs.opennash.com/) / [Larsen & Toubro](https://jobs.opennash.com/companies/larsen-toubro/) / BESS Mechanical Design Engineer ## 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 ## At a glance - Posted by the employer: Oct 7, 2026 - First seen by OpenNash: Oct 12, 2026 - Last checked: Oct 19, 2026 - Listed for: 12 days - Location: India>Karnataka>Bengaluru[Apply on Larsen & Toubro’s careers site →](https://larsentoubrocareers.peoplestrong.com/job/detail/LNT_BMDE_1882188) ## More jobs at Larsen & Toubro ### [Algorithm Architect - ADAS1](https://jobs.opennash.com/companies/larsen-toubro/jobs/4ce8e1e3dab54c64f37b/) India>Karnataka>Bengaluru ### [BESS Electrical Design Engineer](https://jobs.opennash.com/companies/larsen-toubro/jobs/1447a6cfb07abaa2026d/) India>Karnataka>Bengaluru ### [BESS Mechanical Design](https://jobs.opennash.com/companies/larsen-toubro/jobs/9f9ec11cccd839f4ec23/) India>Karnataka>Bengaluru ### [Battery Pack Design Engineer](https://jobs.opennash.com/companies/larsen-toubro/jobs/4f8f374569cd9eb2d7dd/) India>Karnataka>Bengaluru ### [EHS Head EPS](https://jobs.opennash.com/companies/larsen-toubro/jobs/2b72da78ae7fc9ef7bed/) India>Karnataka>Bengaluru ## Similar jobs at other companies ### [Energy Storage Engineer – BESS / Elektrotechnik (m/w/d) Oldenburg, Niedersachsen Oldenburg, Niedersachsen ENGINEERING / DESIGN STUDIES / METHODS ENGINEERING / DESIGN STUDIES / METHODS Permanent](https://jobs.opennash.com/companies/vinci/jobs/e8b5150d5055c839836a/) VINCI · Oldenburg, Niedersachsen ### [Mechanical Project Engineer (Design Engineer)](https://jobs.opennash.com/companies/siemens/jobs/fdc31e71d029076eed75/) Siemens ### [Mechanical Design Engineer](https://jobs.opennash.com/companies/abb/jobs/2edcebf5c9845cfeb89c/) ABB · Nashik, Mahārāshtra, India ### [Mechanical Design Engineer- PACS](https://jobs.opennash.com/companies/siemens/jobs/8490132f955c3b02e917/) Siemens ### [Transformer Mechanical Design Engineer](https://jobs.opennash.com/companies/hitachi/jobs/bb8b577da131d82c7c2f/) Hitachi · Shanghai, China OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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