About Harbinger
Harbinger is an American commercial electric vehicle (EV) company on a mission to transform an industry starving for innovation. Harbinger’s best-in-class team of EV, battery, and drivetrain experts have pooled their deep experience to bring a first-of-its-kind EV platform to support the growing demand for medium-duty EVs and Hybrids. Harbinger: Familiar Form, Revolutionary Foundation.
Job Overview
The Systems Engineering team 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 is responsible for defining requirements for HV components, LV networks, charging system integration, energy/thermal management trade-offs and ensuring safety and regulatory compliance across the electrical domain.
What you will do:
- Develop and document HV and LV system architectures, technical specifications, and electrical power budgets in Harbinger’s requirement management system, Flow Engineering.
- Write comprehensive requirements, fault-management strategies, and test plans for HV and LV subsystems.
- Partner closely with Powertrain, Battery, Harness, Functional Safety, and Software teams to ensure electrical systems meet overall vehicle targets, thermal limits, and regulatory standards.
- Define vehicle operational power modes and manage LV power consumption targets across all vehicle states.
- Define logic and safety mechanisms for AC/DC fast charging protocols, vehicle state transitions during charging, and charging interface standards
Who you are:
- Possess a Bachelor's degree or other relevant educational credential
- 5+ years of experience in systems engineering in the automotive field or similar, with a strong emphasis on Battery Electric Vehicle (BEV) architectures and HV/LV systems.
- Broad understanding of total BEV systems, including energy management, battery systems (BMS), electric drives, vehicle state machines, thermal loops, and charging systems.
- Knowledge of industry standards and best practices related to requirements and testing of automotive systems.
- Experience with software and vehicle communication protocols and requirements, diagnostic tools, and software-hardware integration.
- Experience with hands-on vehicle and system testing and ISO 26262 Functional Safety.
- Experience with IEC 61508 or MIL-STD-882E a plus.
- Strong problem-solving skills with the ability to effectively communicate and collaborate within a dynamic team environment
- Comprehensive Health, Dental & Vision (HDV) – 100% employee covered
- Early-stage Stock Options
- Robust Retirement Savings (401k, HSA, FSA)
- Generous Paid Time Off (PTO) & Parental Leave
- Annual Vacation Bonus
- Wellness & Fertility Benefits
- Cell Phone Stipend
- Complimentary Meals & Stocked Kitchens
Harbinger Garden Grove, California, USA Office
12821 Knott St, Garden Grove, CA, United States, 92841
Similar Jobs
What you need to know about the Los Angeles Tech Scene
Key Facts About Los Angeles Tech
- Number of Tech Workers: 375,800; 5.5% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Snap, Netflix, SpaceX, Disney, Google
- Key Industries: Artificial intelligence, adtech, media, software, game development
- Funding Landscape: $11.6 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Strong Ventures, Fifth Wall, Upfront Ventures, Mucker Capital, Kittyhawk Ventures
- Research Centers and Universities: California Institute of Technology, UCLA, University of Southern California, UC Irvine, Pepperdine, California Institute for Immunology and Immunotherapy, Center for Quantum Science and Engineering



