Senior Software Systems Engineer, Battery Algorithms

Rivian and Volkswagen Group Technologies

. Develop and optimize algorithms for electric vehicle battery and high-voltage systems .

Posted 11/10/2026full-timeIrvine • California • United StatesSenior💰 $135,100 - $179,040 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing and optimizing algorithms for electric vehicle battery systems, including battery state estimation and thermal management. Proficient in creating software requirements and conducting comprehensive testing across various stages of vehicle development.

Highest-signal resume keywords

Battery ModelingAlgorithm Development for Electric Vehicle BatteriesBattery Management Systems (BMS)Simulation and Fleet Data AnalysisTesting Methodologies (Unit, MIL, SIL, HIL)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Algorithm OptimizationBattery State Estimation (SOC, SOH, SOP)Battery Thermal ManagementAC and DC Fast-Charging StrategiesHV Power Distribution AlgorithmsSoftware Requirements CreationTest Case DevelopmentControl StrategiesSoftware Implementation and ValidationBattery Charging Algorithms

Industry Keywords

Electric Vehicle SystemsHigh-Voltage SystemsBattery Thermal ControlsPower and Energy BudgetingCell-Level Data and ModelsVehicle-Level RequirementsTraceable Test CasesCharging Current LimitsBattery Pack ConfigurationsChemistries

About the role

Key responsibilities & impact

Develop and optimize algorithms for electric vehicle battery and high-voltage systems
Design and implement algorithms estimating battery SOC, SOH, and SOP
Develop battery thermal management, preconditioning, and thermal-limit algorithms
Develop AC and DC fast-charging strategies, charge-current limits, and charge-time estimation
Develop HV power-distribution algorithms for power and energy budgeting
Create software requirements and traceable test cases from user stories and vehicle-level requirements
Collaborate with vehicle-system and controls teams to integrate battery algorithms into EV system design
Automate test cases across unit, MIL, SIL, HIL, pack, and vehicle testing
Use simulation and fleet data to monitor and improve algorithm performance
Incorporate cell-level data and models from different chemistries into algorithm development

Requirements

What you’ll need

Deep understanding of battery modeling, state estimation, control strategies, optimization, and software implementation and validation
Experience developing algorithms for electric vehicle batteries and high-voltage systems
Knowledge of battery management systems (BMS), battery thermal controls, battery charging, and HV power distribution
Ability to estimate SOC, SOH, and SOP across EV characteristics, battery pack configurations, and cell chemistries
Ability to develop battery thermal control, charging, and HV power distribution algorithms
Ability to create software requirements and traceable software test cases
Experience with unit, MIL, SIL, HIL, pack, and vehicle testing
Ability to use simulation and fleet data to analyze and improve algorithm performance
Ability to work with cell-level data and models for different chemistries
Must be currently authorized to work in the United States or hold qualifying US work authorization

Benefits

Comp & perks

Annual company performance bonus program
Equity in the form of Restricted Stock Units (RSUs)
Health coverage
Retirement savings
Time off
Family planning programs
Hybrid work arrangement