Powertrain Manufacturing Test Engineer

Harbinger; Garden Grove (CA); On-site; USD 120,000 - 150,000; Full time

Benefits offered by this job

Comprehensive Health, Dental & Vision

Early-stage Stock Options

Robust Retirement Savings

Generous Paid Time Off

Wellness & Fertility Benefits

Cell Phone Stipend

Complimentary Meals

Job summary

A leading electric vehicle company is seeking a Powertrain Manufacturing Test Engineer in Garden Grove, CA. This role focuses on developing and improving testing processes for electric drive units, requiring a background in electrical engineering and extensive experience in test engineering. The candidate should be skilled in data analysis and problem-solving. Competitive benefits, including comprehensive health coverage and stock options, are offered.

Qualifications

• 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.

Responsibilities

• Define and manage test specifications, parameters, and acceptance criteria to ensure compliance.
• Analyze test data, diagnose failures, and implement corrective actions.
• Drive continuous improvement of testing processes.

Skills

Test engineering

Data analysis

Problem-solving

Cross-functional collaboration

Education

Bachelor’s degree in Electrical Engineering or related field

Tools

Data acquisition systems

Automated test equipment

Job description

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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.

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 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

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 [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.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Contract

Job function

• Job function

  Quality Assurance

• Industries

  Motor Vehicle Manufacturing

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