Quality Supervisor- EDU​/Battery​/MRB; 2nd Shift

Quality Supervisor- EDU/Battery/MRB (2nd Shift)

Garden Grove, CA

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.

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.

• 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.

• 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.

• This role is assigned to Shift 2 / standard hours (4:30pm - 1:00am), and the shift schedule is subject to change.

• 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 $95,000 - $110,000 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