Supplier Quality Engineer, High Voltage Systems

Harbinger Motors Inc.; Garden Grove (CA); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Stock options

Retirement plan

Vacation bonus

Wellness benefits

Cell phone stipend

Meals provided

Job summary

Harbinger Motors Inc. seeks a Supplier Quality Engineer (High Voltage Systems) to define and implement HV supplier quality processes across engineering, suppliers, purchasing, and manufacturing. You will drive continuous improvement, ensure QMS compliance, and establish quality standards for HV components.

The role requires 3–7 years in related fields, HV systems familiarity, and strong problem-solving and project management skills. Travel up to 30–50% may be required in the HV domain.

Qualifications

• Bachelor’s degree in a technical field with 3–7 years of experience in supplier or manufacturing quality.
• Experience in automotive/EV/aerospace or power electronics quality assurance.
• Hands-on familiarity with high‑voltage systems and HV safety standards.

Responsibilities

• Develop and implement supplier quality standards for HV components and assemblies.
• Inspect HV materials and assemblies to ensure safety and quality specifications.
• Plan and conduct supplier audits and APQP/PPAP activities.
• Lead corrective actions (CAPA) with suppliers and drive root-cause analysis.
• Monitor supplier performance metrics and report on defects, yields, and delivery times.
• Lead continuous improvement initiatives in supplier quality and safety.

Skills

High voltage systems knowledge

Analytical problem solving

Project management

Supplier quality management

Auditing

Education

Bachelor’s degree in Electrical/Mechatronics/Mechanical/Manufacturing Engineering

Tools

QMS software

APQP

PPAP

FMEA

MSA

Job description

Supplier Quality Engineer, High Voltage Systems

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:

We are looking for a Supplier Quality Engineer (High Voltage Systems) with broad responsibilities, working cross-functionally with Engineering, Suppliers, Purchasing, and Manufacturing teams to define and implement supplier quality engineering processes and drive continuous improvement activities throughout the organization. The Quality Engineer will play a key role in implementing and maintaining Harbinger’s quality management system (QMS) and will establish and improve the quality of our operational proc esses and ou tputs. Responsibilities include defining quality standards for high-voltage components, inspecting materials, equipment, processes, and products, developing quality control systems, supplier selection, PPAP, leading APQP, and determining corrective actions. A successful Quality Engineer should have excellent troubleshooting skills and be able to ensure that processes and high-voltage systems consistently meet established safety and quality standards.

What You’ll Do:

Develop and implement supplier quality standards, supplier quality portal, and supporting supplier quality processes tailored to high-voltage components and electromechanical assemblies.

Inspect and test materials, equipment, processes, and high-voltage products (e.g., battery modules/packs, inverters, power distribution units, wiring harnesses, and connectors) to ensure safety and quality specifications are met.

Conduct supplier assessments and evaluations to ensure suppliers meet high-voltage manufacturing and electrical safety standards.

Plan and conduct supplier audits to assess their quality systems, production control processes, insulation testing, and technical capabilities.

Participate in the supplier selection process by providing quality-related and high-voltage compliance input.

Lead weekly calls with suppliers to ensure high-voltage components and sub-assemblies are on track to meet quality, safety, and timing requirements for various build stages of the production line.

Monitor and report on supplier performance metrics, such as defect rates, electrical test yields, delivery times, and compliance with specifications.

Identify areas for improvement and work with suppliers to implement root cause analysis and corrective actions (8D, 5-Why).

Investigate and resolve quality issues related to supplier high-voltage components, insulation integrity, and electrical interlocks.

Collaborate with suppliers to determine root causes of defects and implement robust corrective and preventive actions (CAPA).

Lead continuous improvement initiatives to enhance supplier quality, safety compliance, and performance.

Work with suppliers to implement lean manufacturing practices, automated end-of-line testing controls, and other quality improvement methodologies.

Maintain accurate and up-to-date records of supplier quality performance, high-voltage test data, audits, and corrective actions.

Ensure that suppliers comply with all relevant industry standards, high-voltage safety regulations (e.g., ISO 6469, UL/IEC standards), and company policies.

Stay updated on changes in industry standards and regulations affecting high-voltage safety, automotive electrification, and supplier quality.

Lead supplier audits, APQP, PPAP, Gauge R&R, electrical testing validation, and safe launch activities.

Participate in Design for Manufacturability/Assembly (DFM/DFA) and high-voltage risk mitigation reviews with design engineering and manufacturing teams.

Lead MRB (Material Review Board) meetings and act as a quality representative for the engineering change control board regarding high-voltage assemblies and components.

Who You Are:

Bachelor’s degree in Electrical Engineering, Mechatronics, Mechanical Engineering, Manufacturing Engineering, or a similar technical field required.

3 – 7 years of experience in manufacturing quality or supplier quality engineering in the automotive, EV/e-mobility, aerospace, or power electronics industries.

Hands‑on experience or familiarity with high‑voltage systems, electric vehicle architecture, high‑voltage safety (EHS/NFPA 70E), insulation resistance testing (hipot), battery systems, inverters, or HV harness assemblies.

ASQ Certifications such as Certified Quality Engineer (CQE), Certified Quality Auditor (CQA), Certified Quality Manager (CQM), Lean Six Sigma Green Belt, or higher preferred.

Strong knowledge of ISO 9001:2018 or IATF 16949 standards strongly desired.

Understanding of core quality tools such as Quality Management Systems, Supplier/Internal Audits, APQP, SPC, PPAP, FMEA (DFMEA/PFMEA), and MSA.

Strong analytical and problem‑solving skills, with excellent verbal, written, and interpersonal skills.

Excellent project management skills with the ability to manage multiple supplier projects simultaneously.

Strong understanding of electromechanical components, printed circuit board assemblies (PCBA), high‑voltage connectors/cabling, bussing, thermal management systems, and high‑voltage enclosure manufacturing processes (castings, plastics, sealing).

Ability to travel (domestic and international) up to 30% to 50%.

Proven experience in a quality engineering role within a high‑voltage, EV, or automotive production environment.

Strong knowledge of quality assurance methodologies, electrical testing/validation tools, and root cause analysis techniques.

Experience with supplier quality management, including auditing suppliers of complex electrical or electromechanical components.

Proficiency in quality management systems (QMS) and relevant software applications.

• Early‑stage Stock Options
• Robust Retirement Savings (401k, HSA, FSA)
• Annual Vacation Bonus
• Wellness & Fertility Benefits
• Cell Phone Stipend
• Complimentary Meals & Stocked Kitchens

$120,000 - $180,000 USD

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 [e-mail].

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.

Voluntary Self-Identification

For government reporting purposes, we ask candidates to respond to the below self-identification survey. Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiring process or thereafter. Any information that you do provide will be recorded and maintained in a confidential file.

As set forth in Harbinger Motors Inc.’s Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law.

If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection. As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measure the effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categories is as follows:

A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service‑connected disability.

A "recently separated veteran" means any veteran during the three‑year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.

An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.

An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.