Powertrain Manufacturing Test Engineer at Harbinger in Garden Grove, CA

Job description

• We are seeking a highly motivated Manufacturing Test Engineer to join our Powertrain Manufacturing team. This role focuses on the development, implementation, and continuous improvement of in-line and end-of-line testing for electric drive units (EDUs), stators, and rotors in a production environment. The engineer will work closely with cross-functional teams including design, quality, and production to ensure testing systems are robust, reliable, and aligned with manufacturing and product performance requirements.

Responsibilities

• Define and manage test specifications, parameters, and acceptance criteria to ensure functional and quality compliance.
• Analyze test data, diagnose failures, and implement root cause analysis and corrective actions.
• Drive continuous improvement of testing processes through data-driven analysis, process optimization, and feedback loops with manufacturing engineering and quality teams.
• Train maintenance and production teams on test equipment operation and troubleshooting procedures.
• Lead the end-to-end sourcing and implementation of a high-volume electric drive unit EOL test rig, including scope definition, RFQ generation, vendor evaluation and selection, and technical/commercial alignment with internal stakeholders.
• Oversee vendor management through design, build, FAT/SAT, and on-site commissioning, ensuring successful integration and production launch at the manufacturing facility with full adherence to safety, quality, and throughput requirements.

Requirements

• Bachelor’s degree in Electrical Engineering, Mechanical Engineering, Mechatronics, or related field.
• 5-10+ years of experience in test engineering, preferably in electric powertrain or automotive manufacturing.
• Proven experience with specifying, sourcing, and launching automated test equipment in a high-volume environment.
• Experience with test automation, data acquisition systems, and industrial instrumentation.
• Knowledge of statistical process control (SPC) and design of experiments (DOE) methodologies.
• Strong analytical and problem-solving skills; ability to work in a fast-paced, collaborative environment.

Skills

Required

• Test engineering
• Test automation
• Data acquisition systems
• Industrial instrumentation
• Statistical process control (SPC)
• Design of experiments (DOE)
• Root cause analysis
• Data analysis
• Vendor management
• Technical writing (test specifications)

Benefits

• 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
• $120,000 - $150,000 USD