Sr. BMS Engineer - Test & Validation

Company: Supernal
Location: Los Gatos
Posted on: May 28, 2023

Job Description:

Supernal is at the forefront of creating emerging mobility solutions that will foster the development of human-centered cities. We are designing a completely new electric vertical take-off and landing (eVTOL) aircraft tailored to the mobility needs of future cities. This allows passengers a seamless intermodal journey that safely transports them to their final destination. We fuse research in autonomy, robotics, aviation and services to define a new category of mobility for the world's communities. We believe in creative thinking and collaboration to help build a better mobility experience for everyone, improving people's ability to move - whether for work or play.What we do: The Sr. BMS (Battery Management System) - Test & Validation Engineer focuses on BMS HW and SW/FW test strategy and actual verification and validation of full BMS to be used in our Energy Storage System (ESS). The role is responsible for collecting requirements, developing Test architecture and infrastructure as well as BMS validation tests. They work with other HW / SW / Cell Engineers in Battery team and other multi-functional team members to develop test requirements, share the test results, and get the designs released successfully.What you can do:

• Development of high-level and detailed level BMS Test environment & architecture
• Develop System level test strategy, Test cases and Test plan to cover system verification and then validating the BMS for functional and certification requirements per standards and aircraft level requirements
• Help battery system architects & designers from DFT perspective and test coverage perspective
• Contribute to test equipment selection and implementation of verification & validation test processes
• Test case automation and development of test tools required for BMS testing
• Working with HW teams on HW testing, validation, and factory build support
• Support HIL test system development and integration with Simulink environment, Test Cases development, System brings up and trouble shooting
• Use HIL system and verify BMS HW, SW and Algorithms at system level
• Develop Test scripts for HW testers used in Environmental, EMI/EMC, Safety and Regression tests of ESS or Modules
• Test BMS HW for complex HW/FW interlaced tests to support BMS EE design Engineers
• May require up to 10% of domestic and international travels
• Other duties as assignedWhat you can contribute:
  • Bachelor's degree in Electronics or Electrical Engineering with software engineering focus
  • A minimum of five (5) years' experience in HV battery testing and validation in automotive or consumer or aerospace industry (or an equivalent combination of education and experience)
  • A minimum five (5) years' experience in mixed signal and power electronics product testing in automotive or aerospace industry
  • Significant experience in specifying, installing, and efficiently using test infrastructure and HIL system for functional verification of HW/FW/SW/Algorithms used in BMS and battery systems
  • Demonstrated Battery Verification & validation experience used in HV Lithium batteries or larger format batteries
  • Excellent understanding of functional safety critical testing
  • Excellent programming skills in C, C++, MATLAB, Simulink, and scripting tools like Python
  • Good understanding of communication buses like SPI, Ethernet, and CAN bus
  • Proven understanding of interfacing HIL system with Simulink based battery models and Realtime RT or NI Test stand-based environments
  • Highly motivated and has strong proficiency towards detailed and highly meticulous QA / test processes with "how to break" mentality
  • Good understanding of safety critical component testing requirements like margin testing, testing for reliability, etc.
  • Ability to develop collaborative networks among peers / x- functional teams quickly
  • Demonstrated success with technical communication, and reliance on data for issue resolution and decision making
  • Sense of urgency, proactive delivery of communication and follow up
  • Excellent organizational skills, team-oriented thinking, and attention to detail
  • Proficiency with MS Office Suite specifically for data analysis, document creation and reportingYou may also be able to contribute:
    • Master's degree preferred
    • Understanding of DO-178C compliance for SW development is a plusAny offer of employment is conditioned upon the successful completion of a background check. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, citizenship, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. Individuals with disabilities may request to be provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation at: This position will include access to certain technology and/or software source code, that will be subject to U.S. export control laws. If an export license or other export control authorization is required in connection with your employment, your employment is contingent upon Supernal's receipt of such license or authorization and approvals and your continued compliance with all conditions and limitations contained in such license or authorization.Base pay offered may vary depending on skills, experience, job-related knowledge and location. This position is also eligible for a bonus as part of total compensation.The pay range for this position is: $166,400—$232,960 USDClick or visit: to view our benefits!

Keywords: Supernal, San Francisco , Sr. BMS Engineer - Test & Validation, Engineering , Los Gatos, California