EV Charging Validation Engineer

Foster City CA · Irvine · USD 120,000-140,000 · 3-5 years experience · Full-time · Posted Oct 2, 2026

At a glance

As a Validation Engineer within the Charging Systems Engineering group, you will validate state-of-the-art charging systems, including charge controller hardware and firmware controls.
You will develop test plans to evaluate various charger hardware, act as a technical expert for charging supplier interactions, and participate in test suites for L5 EV High Voltage Powertrain components.

Execute verification and validation testing and charger interoperability across various supplier DC charging systems.
Develop and implement test cases derived from interoperability and conformance standards in collaboration with Powertrain Engineering, Firmware, and Integration/Validation teams.
Create structured test plans and maintain comprehensive test suites, ensuring clear documentation to support engineering design decisions.
Configure, operate, and troubleshoot test equipment, including engineering tools, power supplies, electronic loads, and charging test assets.
Manage test infrastructure, including hardware configurations, equipment calibration, software versions, and test documentation.
Investigate field issues by analyzing vehicle and charging logs, performing root cause analysis, validating fixes, and driving issues to closure.
Support integration, commissioning, and supplier validation activities, requiring up to 50% travel to various field sites.

3–5 years of experience in EV charging systems, including charging session analysis and validation.
Strong understanding of EV/EVSE charging fundamentals, interoperability, and vehicle-level validation.
Solid knowledge of DC fast charging technologies and global standards such as SAE J1772, SAE J3400, DIN 70121, ISO 15118, IEC 61851.
Experience analyzing communication protocols such as CAN, PLC, and serial interfaces using tools like CANalyzer, PCAN View, Wireshark, and terminal interfaces.
Working knowledge of automotive communication protocols including CAN, LIN, FlexRay, Ethernet, SPI, and I2C.
Experience working safely with high-voltage systems up to ~500 VDC and AC power systems.
Ability to thrive in a fast-paced development environment with strong collaboration and communication skills.
BS or MS in Electrical Engineering or a related field.

Familiarity with industry testing and regulatory standards (SAE, UL, ISO, IEC, UN, GB/T, GTR).
Experience in test fixture design and selection of test equipment.
Knowledge of high-voltage and low-voltage PCB design.
Strong documentation, reporting, and communication skills.

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