EV Electrical Systems Engineer - Stock Options

Harbinger; Garden Grove (CA); On-site; USD 140,000 - 160,000; Full time

Benefits offered by this job

HDV coverage

Stock options

Retirement savings

PTO & parental leave

Annual vacation bonus

Wellness benefits

Cell phone stipend

Meals & stocked kitchen

Job summary

Harbinger in California is seeking an experienced Electrical Systems Engineer to define, develop, and verify high-voltage and low-voltage system-level requirements for our EV platform. This role ensures safety and regulatory compliance across the electrical domain.

You will collaborate with Powertrain, Battery, Harness, and Software teams to meet vehicle targets, thermal limits, and charging system integration, while shaping energy management and BEV architectures.

Qualifications

• Bachelor's degree or equivalent credential.
• 5+ years of systems engineering experience in automotive BEV environments.
• Understanding of BEV systems including energy management, battery systems, electric drives, and charging.
• Experience with software/hardware integration and vehicle communication protocols.
• ISO 26262 Functional Safety experience; IEC 61508 or MIL-STD-882E a plus.

Responsibilities

• Develop HV/LV architectures, specs, and power budgets in Flow Engineering.
• Write requirements, fault-management strategies, and test plans for HV/LV subsystems.
• Collaborate with Powertrain, Battery, Harness, Functional Safety, and Software teams.
• Define vehicle power modes and manage LV consumption across all states.
• Define charging protocol logic, state transitions during charging, and interface standards.

Skills

Systems engineering (auto)

BEV architectures

HV/LV systems

Vehicle protocols

Diagnostics tools

Education

Bachelor's degree or equivalent

Job description

Harbinger in California is seeking an experienced Electrical Systems Engineer to define, develop, and verify high-voltage and low-voltage system-level requirements for our EV platform. This role ensures safety and regulatory compliance across the electrical domain.

You will collaborate with Powertrain, Battery, Harness, and Software teams to meet vehicle targets, thermal limits, and charging system integration, while shaping energy management and BEV architectures.