Battery Algorithms Engineer, State of Health (SOH)

Irvine, CA /
Propulsion – Energy Storage /
Full Time
This is what you’ll do:
·        Use best-practices, experience, and talents to create battery models for production ECU:
·        Assess input & output constraints to best develop firmware model and compile into executable code
·        Devise creative methods to predict SOC, SOH, Power Availability, Heat Generation, in real-time
·        Utilize a variety of debug tools to aid and speed your development; writing scripts, gui’s, & executables
·        Use your battery knowledge in order to contribute to the ESS cell research team
·        Apply ISO-26262 safety standards in the creation, unit testing, & review of your code/models
·        Design other important software components of the BMS, involving diagnostics, fault detection, and more
·        Coordinate & work with engineers across multiple disciplines to ensure timely completion of assigned tasks:
·        Collaborate with software engineers to integrate application-layer software into RTOS
·        Collaborate with validation engineers to test your models & firmware functionality
·        Share progress & participate in code reviews with algorithm & control systems designers
·        Work with other firmware engineers on the evolution of Rivians’ platform, contributing to projects such as:
·        On-line battery mathematical parameter estimation
·        Off-line battery physics-modeling
·        Devise new concepts for BMS over-the-air (OTA) data transfer methods, etc.
·         Grow and mature as the development and production process evolves:
·        Transition between C-programming and Model Based Design (Matlab/Simulink)
·        Understand corner-cases, unit-testing, and battery performance limitations
·        Apply lessons learned to future designs and firmware implementations
·        Contribute to ESS vehicle and laboratory data-mining efforts
·        Show willingness to take on dynamic projects; from low-level firmware manipulation, all the way up to high-level Li-Ion Cell & CAN data processing, filtering, and analysis
This is what you’ll need:
·        5+ years of work experience in the battery and/or automotive industries
·        At least a bachelor’s degree in engineering discipline
·        Experience with programming and embedded systems; Well-versed with software development & C programming
·        Previous programming experience on Battery Management Systems, or automotive ECUs
·        Previous experience in automotive product development or extreme safety environments
·        Experience with model-based design; creating control systems & models with Matlab/Simulink
·        Excellent problem-solving skills; reliant on core engineering principals & common sense
·        Strong communication, multitasking, & inter-personal skills, both in presentation & technical writing
·        Versed in production development & testing timelines
·        Versed with automated requirements management tools ( e.g. JAMA, Doors, etc.) and issue tracking tools ( Jira, Bugzilla, etc. )
·        Previous experience with product launches and working to a schedule
·        Ability and desire to share/communicate subject matter expertise and knowledge effectively with other employees, contractors and external customers
·        Ability to write technical documents, draft patents and articles

Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract.

As a company, we constantly challenge what’s possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it for future generations.

We operate development centers in Plymouth, MI, Irvine CA and San Jose, CA, and Surrey, England, as well as a manufacturing facility in Normal, Illinois.

Rivian is an Equal Opportunity Employer and Prohibits Discrimination and Harassment of Any Kind: Rivian is committed to the principle of equal employment opportunity for all employees and to providing employees with a work environment free of discrimination and harassment. All employment decisions at Rivian are based on business needs, job requirements and individual qualifications, without regard to race, color, religion or belief, family or parental status, or any other status protected by the laws or regulations in the locations where we operate. Rivian will not tolerate discrimination or harassment based on any of these characteristics. Rivian encourages applicants of all ages.