Role & responsibilities

- Carry out incoming inspection (IQC) of lithium cells, BMS, nickel strips, and other battery materials using defined sampling plans

- Test cells for OCV, internal resistance (IR), and capacity, and grade and bin them into matched groups

- Define and enforce the grading criteria and matching tolerances used in pack assembly

- Run and maintain cell grading machines, IR testers, and capacity testers

- Carry out in-process and final QC of battery packs, including voltage balance, insulation, BMS function, and charge/discharge tests

- Hold or reject non-conforming lots and raise issues with suppliers

- Maintain test records and traceability linking cell batches to pack serial numbers

- Analyse field failures and warranty returns, and drive corrective actions (RCA / CAPA)

- Prepare and improve QC SOPs and checklists, and train line operators on them

- Share daily and weekly quality reports with management

Preferred candidate profile

- Experience with EV, e-rickshaw, 2-wheeler, or energy-storage battery packs





- Exposure to ISO 9001 or IATF 16949 systems

- Experience setting up a QC process from scratch

Perks and benefits

- Ownership of the quality function, with direct access to leadership
- The chance to build systems in a fast-growing EV company

- Competitive salary based on experience

Requirements

- Diploma or B.Tech in Electrical, Electronics, or EEE

- 36 years of experience in quality or testing in lithium-ion battery pack manufacturing

- Practical knowledge of cell grading, IR/OCV testing, capacity testing, and cell matching

- Familiarity with LFP and/or NMC cells, BMS basics, and pack assembly processes

- Working knowledge of AQL sampling, 7 QC tools, and root-cause analysis

- Positive command of MS Excel for test data and reports

- Strong discipline in documentation, and the confidence to stop the line when quality is at risk

📌 Quality Control Engineer Lithium-ion Battery Cell Grading and IQC (New Delhi)
🏢 Nineenergy
📍 New Delhi