HV Systems Integration Engineer
Company websiteharbingermotors.com (Harbinger Motors Inc, opens in new tab)
Base salary $120K to $150K
Employer-published annual base salary, USD. Advertised base range in Garden Grove, CA
You apply on the employer's own site. Six Figure Work does not handle applications.
- LocationGarden Grove, CA
- WorkplaceWorkplace not stated
- Status at last checkSource accepting applications when checked
- Last checked (2 h ago) · observed since
About this job
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.
Role Overview
As a High voltage (HV) systems integration engineer, you are responsible for owning the layer between individual power hardware components (such as inverters, rectifiers, converters, and battery packs) and complete, functional energy systems such as MW scale generators, auxiliary power sources, electric trucks and battery chargers. This is a high-level ownership role on a growing team that spans multiple business verticals.
Key Responsibilities
- System commissioning: Responsible for end-to-end system bring up and commissioning in test sites or field pilot sites. Scope includes MW scale generators, battery based auxiliary power systems, inverters and other high power systems.
- Architecture development: Develop clean slate architecture for interfacing high voltage systems with field serviceable equipment, integrate protection equipment and meet stringent UL and automotive standards.
- Interface & Communication Coordination: Link High voltage components with Supervisory Control and Data Acquisition (SCADA), and vehicle/grid networks using protocols like CAN, Modbus TCP, I2C, optical links or SPI.
- Test Automation & Scripting: Write Python or C/C++ scripts to automate bring-up procedure, sequence high-power runs, and log real-time performance data.
- Failure & Root-Cause Analysis: Diagnose and troubleshoot problems on the field and feed data back to firmware and hardware design teams.
- Cross-Functional Collaboration: Work directly with electrical hardware, systems, firmware, mechanical, and thermal engineers to make sure systems meet safety standards (IEEE, NERC, UL) and performance goals.
- Bring-up and integration manual: Develop technical manuals that can be used by customers and internal teams for quick bring-up and testing
Required Skills & Experience
- 7+ years of experience in Electrical systems integration and commissioning.
- Advanced level understanding of Electrical Engineering concepts and the ability to think on your feet to propose solutions.
- Ability to work with minimum requirements to develop solutions quickly and iterate.
- Excellent problem-solving skills, ability to bring an ownership mindset to problems.
- BS/MS/PhD in Electrical Engineering, Applied Physics or related field.
- Proficiency in MATLAB, CATIA, Capital
- Ability to travel for 50% of the time both within the US and internationally for troubleshooting and commissioning.
Preferred Qualifications
- Experience working with generator and battery based high power systems (MW)
- Experience with large scale data-center deployments
- Proven track record of fast-paced commissioning and troubleshooting at customer sites.
- Prior experience working for a start-up.
Key Benefits & Perks:
- 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
California Pay Range
$120,000—$150,000 USD
Equal Opportunity
Harbinger is an equal opportunity employer and complies with all applicable federal, state, and local fair employment practices laws. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, ancestry, sex, sexual orientation, gender, gender expression, gender identity, genetic information or characteristics, physical or mental disability, marital/domestic partner status, age, military/veteran status, medical condition, or any other characteristic protected by law.
Harbinger is committed to ensuring that our hiring process is accessible for persons with disabilities. If you have a disability or limitation, such as those covered by the Americans with Disabilities Act, that requires accommodations to assist you in the search and application process, please email us at [email protected].
Candidate Data Privacy
Harbinger may collect, use and disclose your personal information or personal data (within the meaning of the applicable data protection laws) when you apply for employment and/or participate in our recruitment processes (“Candidate Personal Data”). This data includes contact, demographic, communications, educational, professional, employment, social media/website, network/device, recruiting system usage/interaction, security and preference information. Harbinger may use your Candidate Personal Data for the purposes of (i) tracking interactions with our recruiting system; (ii) carrying out, analyzing and improving our application and recruitment process, including assessing you and your application and conducting employment, background and reference checks; (iii) establishing an employment relationship or entering into an employment contract with you; (iv) complying with our legal, regulatory and corporate governance obligations; (v) recordkeeping; (vi) ensuring network and information security and preventing fraud; and (vii) as otherwise required or permitted by applicable law.
Harbinger may share your Candidate Personal Data with (i) internal personnel who have a need to know such information in order to perform their duties, including individuals on our HR, legal, and finance teams, and the team(s) with the position(s) for which you are applying; (ii) Harbinger affiliates; and (iii) Harbinger’s service providers, including providers of background checks, staffing services, and cloud services.
Harbinger may transfer or store internationally your Candidate Personal Data, including to or in the United States, Canada, the United Kingdom, and the European Union and in the cloud, and this data may be subject to the laws and accessible to the courts, law enforcement and national security authorities of such jurisdictions.
Please note that we are currently not accepting applications from third party application services. Any unsolicited resumes or candidate profiles submitted in response to our job posting shall be considered the property of Harbinger and are not subject to payment of referral or placement fees if any such candidate is later hired by Harbinger unless you have a signed written agreement in place with us which covers the applicable job posting.
Source: Harbinger Motors Inc on Greenhouse · View original posting (opens in new tab)
Pay in context
This role's base floor ($120,000) is above 18% of the 2,028 Engineering (non-software) roles in California listed on this site; 55 others list the same floor. Their median floor is $146,000; the middle half runs from $124,000 to $173,000.
Only jobs on this site count, and each one publishes a base salary of $100,000 or more, so this compares six-figure jobs with each other, not with the whole market. Computed Nov 5, 2026.
This listingHV Systems Integration Engineer$120K to $150K
Battery Test Engineer$120K to $140K
Sr. Reliability Test Engineer$120K to $140K
Product Line Program Manager$120K to $160K
Supplier Quality Engineer, High Voltage Systems$120K to $180K
Supplier Quality Engineer, Safety Systems$120K to $180K
IT Enterprise Applications Administrator$120K to $130K
Chart as a table
| Role | Published base |
|---|---|
| HV Systems Integration Engineer (this listing) | $120K - $150K |
| Battery Test Engineer | $120K - $140K |
| Sr. Reliability Test Engineer | $120K - $140K |
| Product Line Program Manager | $120K - $160K |
| Supplier Quality Engineer, High Voltage Systems | $120K - $180K |
| Supplier Quality Engineer, Safety Systems | $120K - $180K |
| IT Enterprise Applications Administrator | $120K - $130K |
Observed changes
- First observed on the employer's board
- Began meeting the published-salary criteria
- Observed since
- Employer-stated posting date
- 2026-10-13
Where this pay comes from
Location as the employer wrote it: Garden Grove, CA
$120,000—$150,000 USD
- Method
- Employer text, read with fixed rules and re-verified
- Checked
- Rule set
- us-base-v2
The pay passage appears in the employer's own job text. Fixed, deterministic rules located it, and the passage below was checked against the stored copy of the posting.
What we verified
- The pay figures come from the employer's own listing, quoted exactly above.
- The pay is an annual base salary in US dollars with a minimum of at least $100,000.
- The role was publicly listed on the employer's job board when last checked.
We do not verify what the employer will actually offer, whether the employer is still recruiting for the role, or anything beyond what the employer published. Full methodology.
