Powertrain Manufacturing Test Engineer

Harbingermotors · Garden Grove, CA · Engineering

Posted 2026-09-19

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Job Overview

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.

What You’ll Do:

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.

Who You Are:

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.

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

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