Battery Pack Design Engineer

Simple Energy; Bengaluru; On-site; INR 800,000 - 1,400,000; Full time

Job summary

Simple Energy in Bengaluru is seeking a Battery Pack Design Engineer to design, develop and validate high-performance lithium-ion battery packs for EVs. You will use SolidWorks/NX for 3D CAD, create detailed drawings, and collaborate with teams to ensure safe, manufacturable, cost-effective packs.

The role covers thermal and structural design, BMS integration, DFMEA participation, and hands-on support from concept to production, with a focus on manufacturing feasibility and quality.

Qualifications

• Bachelor’s degree in mechanical/automobile engineering with relevant field.
• Experience designing electromechanical battery systems for EVs.
• Solid understanding of GD&T, tolerances, and manufacturing feasibility.
• Familiarity with thermal management and structural integration of packs.
• Hands-on NX CAD and drafting experience is required.

Responsibilities

• Design and develop complete battery pack systems for electric vehicles including mechanical structure, thermal management, and electrical integration.
• Develop battery pack mechanical structures considering crash safety, vibration resistance, and environmental protection (IP ratings).
• Work with electrical engineers to integrate BMS, sensors, fuses, and wiring within the pack.
• Create detailed 3D CAD models and technical drawings for battery pack components and assemblies.
• Collaborate with manufacturing and supply chain to transition designs from pilot to production.
• Support prototype assembly, design validation, and root-cause analysis for field issues.
• Maintain design documentation, BOMs, drawings, and revision histories.
• Apply DFM/ DFA and project management to ensure timely delivery of milestones.
• Participate in DFMEA activities specific to battery pack safety.
• Optimize pack design for manufacturing, assembly, and serviceability.
• Understand GD&T, tolerance stack-up analysis.
• Develop cost-effective solutions while maintaining safety and performance.

Skills

2-5 years exp

Battery design

Thermal design

Structural design

GD&T knowledge

Education

BTech/Mech/Automobile Eng

Tools

NX CAD

Drafting

Job description

About Simpleenergy

Simpleenergyspecializes in the manufacture of smart electric two-wheelers. We are a team of 300+ engineers coming together to make smart, supercharging, and affordable two-wheelers. The company was founded in 2019 and is based in Bangalore, India.

Our mission is to build the future of mobility that is electric and connected. We at Simple energy are working towards accelerating by making them more accessible, affordable, secure and comfortable and we embrace the responsibility to lead the change that will make our world better, safer and more equitable for all.

Job description: Battery Pack Design Engineer

Location: Yelahanka, Bangalore

About the gig

We are looking for aBattery Pack Design Engineerwith deep expertise in designing and developing high-performance lithium-ion battery packs for electric vehicles. The ideal candidate should have a strong foundation in SolidWorks, NX, structural and thermal design, battery pack electricals, and experience taking products from concept to mass production.

What you’ll do

• Design and develop complete battery pack systems for electric vehicles including mechanical structure, thermal management, and electrical integration.
• Develop battery pack mechanical structures considering crash safety, vibration resistance, and environmental protection (IP ratings)
• Work closely with electrical engineers to integrate BMS, sensors, fuses, and wiring harnesses seamlessly within the pack.
• Create detailed 3D CAD models and technical drawings for battery pack components and assemblies.
• Collaborate with manufacturing and supply chain teams to transition designs from pilot to production scale.
• Support prototype assembly, design validation, and root cause analysis for field issues.
• Maintain accurate design documentation, BOMs, drawings, and revision histories.
• Apply DFM/DFA (Design for Manufacturing/Assembly) and project management principles to ensure timely delivery of design milestones.
• Participate in DFMEA activities specific to battery pack safety.
• Optimize battery pack design for manufacturing, assembly, and serviceability.
• Understanding of GD&T, tolerance stack-up analysis.
• Develop cost-effective solutions while maintaining safety and performance standards.

What you bring

• Btech/Metch with specialization in Mechanical or Mechatronics or Automobile Engineering
• 2-5years of experience
• Hands on experience in NX and Drafting
• Experience with designing electromechanical parts, which includes IP rated part(IP 64/65/67) and which meets automotive standards
• Manufacturing feasibility of sheetmetal, plastic and casted parts
• Experience of handling thermal conductivity and electrical conductive materials which will be part of the product
• Good knowledge in stackup, drafting and GD&T
• Hands on experience with defining FMEA, DFX and DVP

Why Join Us?

• Be part of India s fast-growing EV revolution.
• Work with a passionate team committed to sustainability and innovation.
• Opportunity to shape the brand identity of a leading EV startup.