Sr Battery Algorithms Engineer

• Create and maintain performance and lifetime models of lithium-ion cell behavior.
• Develop experiments to parametrize and validate models. Analyze resulting data.
• Develop on-board real-time algorithms that involve cell behavior: state-of-charge, state-of-health, power limits, temperature estimation, etc. Work with BMS engineers to implement algorithms.
• Devise cell level and pack level experiments to parameterize and validate algorithm performance.
• Develop battery pack simulation model using Simulink to facilitate powertrain integration and evaluate pack performance. Use model to investigate faults in the field and lab.
• Interface with vehicle teams and external OEM partners to develop and refine algorithms.
• Analyze algorithm performance from real world vehicle data and use learnings to propose algorithm/model improvements.
• Investigate the use of physics-based models and machine learning to build better algorithms and models.

• As strategic partners, the Engineering team strives to ensure that our values, culture and engagement always allow us to do great things for our company.
• We strive to provide the highest-level service and support to our clients each and every day.
• We work collaboratively to build strong relationships with our clients, partners, and own team.
• We treat each other with respect… and always try to have a little fun every day!
• This position will be part of the Systems Engineering team that supports Proterra’s Manufacturing and Engineering operations.
• You will report to the Cell Engineering Manager and collaborate with other Engineering team members located at our headquarters in Burlingame, CA and manufacturing facilities in Greer, SC.

• Self-starter with the ability to adapt interpersonal styles and techniques to influence at all levels of the organization.
• Customer-focused attitude, with high level of professionalism and discretion.
• Ability to maintain strict confidentiality, establish trust and credibility, and act with complete integrity.
• Team player who understands and demonstrates by example the importance of working well with others both internal and external to the organization.
• Detail-oriented, resourceful, and diligent.
• Strong time management and organizational skills with the ability to balance and prioritize.
• Works with moderate instructions on day-to-day work, general instructions on new assignments.
• Sound judgment and problem-solving skills.
• Excellent communication and presentation skills.

• 5+ years of work experience in at least one of the following: controls engineering, state estimation, battery modeling, or battery algorithms.
• BS/MS/PhD in a related field.
• Familiarity with basic electrochemistry and lithium-ion cell behavior.
• Proficient with MATLAB/Simulink.
• Proficient with dynamic modeling, Kalman filtering, and state estimator design.
• Experience in writing code to analyze large data sets.
• Experience with requirement management (JAMA, Doors, etc).
• Experience with cell modeling (equivalent circuit and/or electrochemical).

Proterra Electric