Job Title:
Senior Engineer – BESS Battery Pack Electrical Design

Location:
Bangalore

Job Type:
Full-time

Experience:
4+ years

About the Role

We are looking for a
Senior Engineer with solid hands-on experience in electrical design of Lithium-ion battery packs
, preferably for
BESS / Energy Storage applications
.

The role will primarily focus on
battery pack electrical architecture and design
, including cell configuration, pack sizing, HV electrical systems, busbars, contactors, fuses, pre-charge circuits, BMS integration, and electrical protection.

The role will also involve supporting
battery pack testing and validation
to ensure the design meets performance, safety, and reliability requirements.

Key requirement: Candidates must have hands-on experience in electrical design of battery packs. Candidates whose experience is primarily mechanical pack design, enclosure/CAD design, thermal design, BMS testing, or battery testing will not be preferred.

Key Responsibilities

Electrical Battery Pack Design – 70%
- Design and develop




electrical architecture of Lithium-ion battery packs
for BESS applications.
- Develop
cell configuration, series/parallel architecture, pack voltage, capacity and power calculations
.
- Design and size
busbars and electrical interconnections
based on current, voltage and thermal requirements.
- Design/integrate
HV systems, contactors, fuses, pre-charge circuits, HVIL, connectors and protection circuits
.
- Integrate
BMS, CAN communication, cell monitoring, balancing and protection logic
.
- Select appropriate
LFP/NMC cells and electrical components
based on application requirements.
- Prepare
electrical schematics, wiring diagrams, BOMs and design specifications
.
- Work with suppliers on cells, BMS, contactors, fuses, connectors and other electrical components.
- Participate in
DFMEA and electrical safety/design reviews
.
- Work closely with mechanical and thermal teams to ensure complete pack-level integration.

Battery Testing – 15

📌 Senior Engineer – BESS Battery Pack Electrical Design (Bangalore Urban)
🏢 HireFlexperts
📍 Bangalore Urban