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Quality Supervisor EDU/Battery/MRB (1st Shift)
People & HR, Operations, Quality Assurance
Garden Grove, CA, USA
USD 90k-105k / year + Equity
Posted on Sep 3, 2026
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
The Quality Supervisor leads the daily operations of the quality control team, ensuring that all products and processes meet established Harbinger standards and regulatory requirements. This role bridges the gap between floor-level inspections and high-level quality strategy, focusing on team leadership, root cause analysis, and continuous improvement initiatives.
What You’ll Do:
Team Leadership: Supervise, train, and mentor a team of quality inspectors and technicians. Manage shift schedules, conduct performance reviews, and foster a culture of quality and safety.
Compliance & Standards: Ensure all manufacturing processes and finished products comply with internal standards and external regulations.
Defect Management: Lead investigations into non-conformances, customer complaints, and quality deviations.
Audit Support: Conduct regular internal quality audits of the production floor and assist with external customer or regulatory audits.
Data & Reporting: Track key performance indicators (KPIs) such as MRB rates, defect rates, and first-pass yield. Prepare daily and weekly quality reports for management.
Continuous Improvement: Work with engineering and production teams to identify process bottlenecks and implement Lean/Six Sigma methodologies to reduce waste and improve product consistency.
Equipment Maintenance: Ensure all testing and measuring equipment is properly calibrated and maintained.
Who You Are:
3–5 years of progressive experience in quality assurance/control within an automotive manufacturing environment, with at least 1–2 years in a leadership or supervisory role.
Proficiency in Quality Management Systems (QMS) software and Google Workspace.
Ability to thrive and make rapid, data-driven decisions in a high-pressure automotive environment.
Confidence and authority to halt production lines or shipments if Harbinger's quality standards or safety protocols are compromised.
Excellent cross-functional communication skills to coordinate effectively with supply chain, production, and engineering teams.
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
$90,000—$105,000 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 info@harbingermotors.com.
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.