ESS Test Engineering Manager



501-1,000 employees

Develops eVTOL vehicles for advanced air mobility


$192,400 - $289,120


Senior, Expert

Fremont, CA, USA

  • Bachelor's degree in mechanical engineering, electrical engineering, or chemical engineering required; Master's or Ph.D. in engineering preferred
  • A minimum of ten (10) years of experience in engineering
  • A minimum of two (2) years of experience with battery safety and abuse testing (an equivalent combination of education and experience may be considered)
  • Experience in setting up tests and labs for battery safety and abuse testing in the consumer electronics or automotive industries
  • Experience with LV and HV battery systems
  • Experience with data acquisition systems, sensors, and other measurement equipment
  • Experience in 3D CAD Design, Catia preferred
  • Understanding of Lithium-based cell chemistries and expertise in battery safety limits
  • Knowledge of safety-critical component testing requirements like margin testing, testing for reliability, etc.
  • Strong problem-solving and analytical skills
  • Excellent verbal and written communication skills
  • Proactive delivery of communication and follow-up
  • Excellent organizational skills and attention to detail
  • Must have the ability to independently prioritize and accomplish work within time constraints
  • Provide leadership and management to a team of test engineers, specialists, and technicians
  • Identify staffing needs and lead the hiring process to grow the team as needed
  • Establish a robust culture of safety by identifying and mitigating risks to our staff and facilities
  • Provide regular progress updates to the Head of ESS, Chief Engineer, and other Supernal Leadership organizations regarding current, and future development plans
  • Develop and implement high-level and detailed-level validation plans verifying the performance of battery systems and their components with a focus on identifying abuse tolerance, failure propagation, large-scale thermal and fire testing
  • Develop test strategy and plans for mechanical, electrical, and thermal abuse tests to verify and validate battery system for certification and functional requirements
  • Directly support various engineering activities
  • Contribute to test equipment selection and implementation of verification & validation test processes
  • Design new safety and abuse test tools as needed
  • Automate test cases and develop test tools required for battery system abuse testing
  • Develop simulation and modeling methods for understanding thermal runaway
  • Develop diagnostic techniques for battery state of stability
  • Collaborate with design engineers to develop next-generation products
  • May require up to 25% of domestic and international travel
  • Other duties as assigned

Supernal stands out as a forward-thinking mobility service provider, leveraging its affiliation with Hyundai Motor Group to pioneer the development of an Advanced Air Mobility eVTOL vehicle. The company's commitment to integrating this technology into existing transit systems demonstrates a strategic approach to sustainable and accessible transportation. With a team that values diversity and mirrors the communities it aims to serve, Supernal fosters a culture of inclusivity and empowerment.

Company Stage


Total Funding



Washington, District of Columbia



Growth & Insights

6 month growth


1 year growth


2 year growth