Sr. Reliability Test Engineer

Harbingermotors · Garden Grove, CA · Engineering

Posted 2026-09-19

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Sr. Reliability Test Engineer

The Test Engineering team at Harbinger Motors is involved in the validation and reliability testing at the vehicle, sub-system, and component levels. The team is looking for someone who has 5+ years of experience with reliability metrics and calculations as well as hands-on reliability testing. This key team member will have ownership of developing reliability test profiles for various vehicle systems and hardware.

Responsibilities:

Work closely with the product design engineers to ensure that products can meet desired life targets

Perform reliability calculations and develop detailed test-plans for accelerated lifecycle tests

Lead the execution of reliability tests

Lead root cause analysis of test failures and/or field failures

Support cross-functional DFMEA sessions

Travel to offsite test locations as needed (<30%)

Work with cross-functional teams to develop in-house test infrastructure required to test and validate various systems and components

Train personnel on the required processes and operations of complex test systems

Ensure that all tests are conducted in compliance with all safety protocols

Document the results in a report and present it to stakeholders

Participate in discussions with suppliers, supplier quality team, and design team to improve product reliability

Qualifications:

Bachelor’s/Master’s degree in either Engineering or Material Science with 5+ years of industry experience in the field of reliability

Experience with performing reliability calculations and developing test profiles

Experience with hands-on testing of either PCBAs, battery, or thermal systems

Experience with coding languages and applications for data analysis, such as Python or Matlab

Good technical writing skills for documenting test reports

Preferred Qualifications:

Familiarity with EV powertrain architecture and associated HV devices, such as DCDC converters, on-board chargers, junction boxes, inverters,  battery, thermal systems, etc.

Experience with data analytics and visualization relevant to product reliability

Experience with HV testing

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—$140,000 USD

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