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White-collarMid (3-6 yr)SoftwareCharging InfrastructureHigh demand

EV Charging Station Firmware Engineer (OCPP)

Builds the firmware on AC/DC chargers — state machines, payment, OCPP 1.6 / 2.0.1 and OTA.

Salary band · India

₹12L – ₹28L

Median ₹18L

Experience

3–9 yrs

Mid (3-6 yr)

Hiring outlook

High

Role overview

Charging firmware sits between the power stage and the CMS cloud. Engineers implement EVCC / SECC stacks, ISO 15118 plug-and-charge, OCPP comms, payment-terminal integration and the user-screen state machine. The platform stays online 24/7 and survives unstable rural power and connectivity.

Key skills

OCPP 1.6 / 2.0.1ISO 15118C / C++Yocto LinuxMQTTPayment-terminal integration

Tools & software

Altium DesignerPSpice / LTspicePLECSMATLAB / SimulinkTektronix / Keysight bench tools

Responsibilities

  • Design power-electronics circuits — schematic capture, board layout review and worst-case analysis — for the assigned EV converter or controller.
  • Lead component selection across Si, SiC and GaN device families with vendors such as Infineon, Wolfspeed and onsemi.
  • Drive prototype bring-up, lab characterisation and conducted/radiated EMC compliance to CISPR 25 / IEC 61851.

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Requirements

  • BE / BTech in Electrical or Electronics Engineering.
  • Hands-on schematic capture and PCB layout experience (Altium / Cadence Allegro / Mentor Xpedition).
  • Strong fundamentals in switch-mode converters, magnetics and gate-driver design.

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Typical employers

Delta Electronics IndiaStatiqNumocityChargeZoneBolt.Earth

Industries

Charging-hardware OEMCharging-network operator

Reports to: Power Electronics Manager

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