Head _ Quality
cygni
Lead BMS/Wiring Harness
cygni· Advanced BMS
About this role
Position – Lead BMS/Wiring Harness _ Advanced BMS
Location: Hyderabad
Employment type - FULL-TIME
Position Reports to Head – NPD
“If everything seems under control, you are not going fast enough!”
At Cygni Energy, our people are our greatest asset and biggest differentiator. They are passionate about results, and also believe in having a lot of fun along the way. Come and Join Us.
Our Business: Incubated at the “Incubation cell” of IIT Madras, Cygni has emerged as India’s leading storage technology company with established cutting-edge expertise in EV and Energy Storage. Focused on building alternative energy storage solutions for EVs 2W and 3W. Solving challenges of traditional Li-Ion batteries for mass adoption of EVs across automotive platforms. Cygni is a thought leader in the Energy Storage and EV batteries.
At Cygni, we are rethinking energy with game changing battery technologies. Each battery application have different needs and require different solutions. We believe our Energy Storage systems will be a key part of the future of electric grid. Cygni Energy, headquartered at Hyderabad, India, is a New Age Energy Generation, Storage, and Processing Technology Solutions Enterprise. It has the choicest of corporate and government clients, all delighted with offerings and services. Reach out to us for Electric Vehicles (2 Wheelers and 3 Wheelers) Smart BMS controlled Batteries and Rooftop Solar Hybrid Solutions (DC/AC).
Responsible for market development, and operational sales work with assigned Key Accounts. Leads sales and product management efforts to assigned Automotive Key Accounts. Leads the selling process for all battery products. Acts as primary point of contact for assigned Key Accounts. Leverages relationship between customer, market and Cygni management. Analyses feasibility of technical specs in RFQ’s.
The most successful employees at CYGNI are results-driven and able to continuously adapt to an ever-changing environment. They not only work well in our environment but also have the drive to succeed when they are on their own. A strong focus on fairness and honesty with a humble attitude is what defines our top performers. Is that you? Currently, CYGNI seeks your application for Lead BMS /Wiring Hareness – Advanced BMS for earliest joining.
Location: Maheshwaram, Hyderabad (TS)
Job Roles and Responsibilities:
1.Develop, integrate and validate Battery Management Systems (BMS) for Li-ion battery packs and BESS systems.
2. Define BMS requirements based on cell characteristics, pack configuration, inverter/charger requirements and system safety requirements.
3.Work on CAN/CAN-FD, RS485, Modbus, Ethernet and other communication protocols.
4.Develop and maintain CAN database (DBC), communication matrix and diagnostic messages.
5.Perform BMS integration with inverter/PCS, charger, EMS, vehicle controller and other external systems.
6.Configure and validate BMS parameters, limits, alarms and fault-handling strategies.
7.Perform cell balancing strategy development and validation.
8.Analyze cell voltage, temperature, current and SOC data to identify battery performance and safety issues.
9.Understanding of BMS hardware architecture and schematics.
10. Develop BMS DV/PV test plans and test cases.
Perform pack-level BMS validation under:
Charge/dischargeOver-voltage
Under-voltage
Over-current
Short-circuit
Over-temperature
Under-temperature
Cell imbalance
Sensor failure
Communication failure
Contactor failure
Pre-charge failure
Knowledge of ISO 26262 and functional-safety concepts is preferred.
Design LV and HV wiring harnesses for battery packs and BESS.
Develop harness architecture, circuit diagrams, schematics, and pin-to-pin wiring.
Integrate harnesses with battery modules, BMS, HV box, contactors, fuses, current sensors, and connectors.
Ensure proper creepage and clearance for HV systems.
Define HV/LV segregation and routing.
Support battery-pack mechanical design to ensure adequate harness clearance and protection.
Review harness accessibility for assembly and service.
Design cell-voltage sensing and temperature-sensing harnesses.
Perform fault injection and boundary-condition testing.
Analyze CAN logs and battery test data.
Support battery certification and customer validation activities.
Educational Qualifications & Requirements:
• Bachelor’s degree in Electrical Engineering / Electrical & Electronics, Electronics & Communication
• Must have 8 – 10 Years’ experience in design, BMS Software & Controls, BMS hardware architecture and schematics, Testing & Validation, Knowledge of ISO 26262 and functional-safety
Frequently Asked Questions
Is the salary disclosed for the Lead BMS/Wiring Harness position at cygni?
The salary for this Lead BMS/Wiring Harness role at cygni is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Is the Lead BMS/Wiring Harness role at cygni full-time or part-time?
This is listed as a FULL TIME position. It is posted as a Lead BMS/Wiring Harness role in the Advanced BMS department at cygni.
Which team or department does the Lead BMS/Wiring Harness at cygni belong to?
This Lead BMS/Wiring Harness position is part of the Advanced BMS department at cygni. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Lead BMS/Wiring Harness position at cygni?
Click the "Apply Now" button on this page. You will be redirected to cygni's official application portal hosted on keka where you can submit your application directly.
When was the Lead BMS/Wiring Harness job at cygni posted?
This Lead BMS/Wiring Harness position at cygni was posted on Sep 18, 2026. Apply as soon as possible — early applications are often reviewed first.
Lead BMS/Wiring Harness
cygni
You'll be redirected to cygni's official application page on keka.