Technical Lead - Battery Pack Design (BESS)

PeopleStrong; Bengaluru; On-site; INR 4,000,000 - 7,000,000; Full time

Job summary

PeopleStrong is seeking a highly skilled Battery Pack Design Lead to drive the design, development, and integration of battery packs for BESS projects. You will lead end-to-end design efforts, oversee cross-functional reviews, and ensure safety and reliability across modules and racks.

The role demands strong leadership, hands-on CAD proficiency (SolidWorks, CATIA, Creo), and experience with thermal management, electrical interfaces, and standards compliance.

Qualifications

• Bachelor’s/Master’s/PhD in Mechanical Engineering, Electrical Engineering, Battery Chemistry or related field.
• 10+ years of experience in battery pack/rack design in energy storage or EV sectors.
• Strong expertise in CAD tools (SolidWorks, CATIA, Creo).
• Thermal management (air/liquid), electrical integration, and structural design skills.
• Proven track record leading design teams and delivering complex projects.
• Knowledge of industry standards and certification processes for BESS.

Responsibilities

• Lead end-to-end design of battery modules and packs for BESS applications.
• Define architecture, module configuration, and enclosure design with safety and reliability in mind.
• Develop CAD models, drawings, and BOMs for pack/rack assemblies.

Skills

Battery management systems

Design calculations

Standards

Education

ME/BE in Mechanical or Electrical or Battery Engineering

Tools

SolidWorks

CATIA

Creo

Job description

Technical Lead - Battery Pack Design (BE...

• DEIC-L&T Precision Engineering & Systems IC

Posted On 23 Jul 2026

End Date 19 Jan 2027

Required Experience 10 - 14 years

Skills

Knowledge & Posting Location

Battery Management Systems Design calculations Standards

Master of Engineering (ME) Degree In Mech/Marine Engg

Job Description

Role Overview

We are seeking a highly skilled Battery Pack Design Lead to spearhead the design, development, and integration of advanced battery pack and rack systems for Battery Energy Storage Systems (BESS). The ideal candidate will combine deep technical expertise in electro-mechanical design with leadership skills to drive innovation, ensure safety, and deliver scalable solutions for utility-scale and commercial energy storage projects

• Design & Development
  • Lead the end-to-end design of battery modules and packs for BESS applications, including mechanical, electrical, and thermal aspects.
  • Define architecture, module configuration, and enclosure design ensuring compliance with safety, performance, and reliability standards.
  • Develop CAD models, drawings, and BOMs for pack/rack assemblies.
• Technical Leadership
  • Guide cross-functional teams (mechanical, electrical, thermal, controls) in design reviews and decision-making.
  • Establish design standards, best practices, and validation protocols.
  • Mentor junior engineers and foster a culture of innovation and collaboration.
• Safety & Compliance
  • Ensure designs meet international standards (UL, IEC, IEEE, NFPA, etc.) IEC 62619, UL 1973, UN 38.3, IEC 62620, IEC 61000, IEC 60529, QM 333, IATF 16949, ISO standards. for electrical safety, fire protection, and mechanical integrity.
  • Integrate safety features such as thermal runaway mitigation, fault isolation, and protective housings.
• Integration & Testing
  • Collaborate with system engineers to integrate packs into overall BESS solutions.
  • Oversee prototype builds, validation testing, and qualification processes.
  • Troubleshoot design issues and implement corrective actions.
• Project Management
  • Manage design timelines, deliverables, and resource allocation.
  • Coordinate with suppliers and manufacturing partners for component sourcing and production readiness.
  • Support cost optimization and scalability for mass deployment
• Knowledge and connect with the relevant vendors and subcontractors for all the design support activities such as mechanical fabrication, Laser welding etc

Required Qualifications

• Bachelor’s / Master’s/ PhD degree in Mechanical Engineering, Electrical Engineering, Battery Chemistry or related field.
• 10+ years of experience in battery pack/rack design, preferably in energy storage or EV applications.
• Strong expertise in:
  • CAD tools (SolidWorks, CATIA, Creo, etc.)
  • Thermal management systems (air/liquid cooling)
  • Structural design and materials selection
  • Electrical integration (busbars, connectors, fuses, BMS interfaces)
• Proven track record of leading design teams and delivering complex projects.
• Knowledge of industry standards and certification processes for BESS.