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# Systems Engineer EV Powertrain Integration

- **Company:** IT Accel
- **Location:** Downey, CA, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, CAN Bus, Communications Protocols, Failure Mode Effects Analysis, Systems Architecture, Systems Integration, Performance Testing
- **Published:** October 29, 2026
- **Apply:** https://www.thejobnetwork.com/job/ff538c3d-1e21-45f2-8c54-84da928994a4/systems-engineer-ev-powertrain-integration

## About the Role

* Bachelor's degree in Electrical, Mechanical, Systems, Automotive Engineering, or a related technical field.
 * 3+ years of engineering experience in automotive, EV, commercial vehicle, or electric powertrain applications.
 * Direct experience with EV systems, powertrain integration, and high-voltage vehicle systems.
 * Knowledge of CAN/CAN Bus and automotive communication protocols.
 * Experience troubleshooting complex electrical and electronic systems.
 * Ability to read electrical schematics and system architecture diagrams.
 * Experience with engineering test and diagnostic equipment.
 * Strong analytical, problem-solving, and communication skills.
 * Ability to work in a hands-on engineering and manufacturing environment and travel as required.

Preferred

 * Experience with an automotive OEM or Tier 1 supplier.
 * Experience with commercial EVs, buses, trucks, or medium/heavy-duty vehicles.
 * Experience with BEV, EREV, or fuel-cell electric vehicle systems.
 * Experience with lithium-ion batteries, vehicle controls, inverter/motor controls, OBCs, DC/DC converters, and thermal management systems.

## Description

* Develop and maintain EV powertrain system architecture, requirements, interfaces, and technical specifications.
 * Integrate battery systems, vehicle controls, inverter/motor systems, DC/DC converters, onboard chargers, charging systems, and thermal management.
 * Support powertrain integration into commercial vehicles and other OEM platforms.
 * Develop and execute system integration, testing, and validation plans.
 * Support vehicle commissioning, functional testing, road testing, and performance validation.
 * Diagnose electrical, electronic, software, CAN communication, and powertrain issues.
 * Analyze CAN messages, fault codes, system logs, and vehicle data to perform root-cause analysis.
 * Work with engineering, manufacturing, service, suppliers, and OEM customers to resolve technical and integration issues.
 * Support design reviews, FMEA activities, engineering changes, and validation documentation.