Senior Battery Management Engineer

9 hours ago

Fremont, California, United States Supernal Full time
About Supernal

Supernal is an Advanced Air Mobility (AAM) company that's pushing the boundaries of human possibility. We're developing an electric vertical take-off and landing (eVTOL) vehicle and the ground-to-air ecosystem to support the emerging industry.


Our mission is to create a sustainable, integrated, and human-centered ecosystem that meets the high level of safety and reliability in today's air transportation system. We believe in creative thinking and collaboration to help build a better mobility experience for everyone.


Job Summary

We're seeking a highly skilled Senior Battery Management Engineer to join our dynamic team. As a key member of our engineering team, you'll be responsible for creating the high-voltage battery management system for our eVTOL aircraft.


Key Responsibilities
  • Develop requirements for different performance prediction algorithms
  • Develop algorithms to estimate the State of Energy (SOE) and State of Power (SOP) of battery packs
  • Verify models and algorithms using MIL, SIL, PIL, and HIL techniques at the battery pack level
  • Verify model parameters for tracking and prediction algorithms against data collected during cell testing in a controlled environment
  • Develop test strategies, models, and algorithms to eliminate issues early in the design phase
  • Optimize the algorithm to work within real-time computer resource constraints, such as CPU cycles, memory, and power consumption
  • Partner with PMO organization to implement build plan
  • Up to 10% of domestic and international travel
  • Other duties as assigned

Requirements
  • Bachelor's degree in engineering or related field required; Master's degree or Ph.D. preferred in Controls Systems (Emphasis in battery modeling and gauging)
  • A minimum of five (5) years of demonstrated battery algorithm development experience (an equivalent combination of education and experience may be considered)
  • Experience developing battery prediction algorithms like SOC, SOH, SOP, and SOE
  • Experience in developing battery cell models (ECM, Particle, or other) for system simulation
  • Experience in developing model parameter tracking algorithms
  • Experienced in using advanced control techniques, such as EKF, state observers, machine learning, and multi-parameter optimization techniques, for algorithms
  • Experience in modeling tools like MATLAB, Simulink, Stateflow, Simscape, including MATLAB optimization toolboxes
  • Understanding of rechargeable Li-Ion chemistries, their limitations, and control opportunities
  • Knowledge of strong mathematical fundamentals to develop solutions to complex control problems
  • Programming skills in languages like C and C++ for real-time applications
  • Data analysis skills and scripting skills, preferably in Python, to process large volumes of data
  • Familiarity with cell behavior due to load changes and thermal changes
  • 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

Preferred Qualifications
  • Experience in aviation with an understanding of DO-178C compliance for SW development preferred

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