Sr Software Engineer - Battery HIL Simulation & Integration

General Motors Corporation; Milford Charter Township (MI); Hybrid; USD 90,000 - 150,000; Full time

Job summary

General Motors is seeking an experienced Software Engineer specialized in HIL/SIL simulation to lead the creation and integration of real-time models for vehicle systems, including high voltage and battery domains, and to support new programs and SDV2 architecture.

You will develop and maintain Battery HIL benches, coordinate hardware upgrades, ensure timing, and enable early defect detection before vehicle integration, reporting to the GM team.

Qualifications

• Bachelor's degree in Mechanical, Mechatronics, Electrical, Software, Computer Engineering or related field.
• 3 years of experience as Software Engineer/SIL/HIL roles or related.
• 3 years with real-time simulation design and HIL bench tools (ETAS INCA, Lauterbach, CANalyzer/Vehicle Spy, Python).
• 2 years in HIL design/integration; modeling/testing electrical fault scenarios; creating simulated sensors/actuators and syncing hardware with models.

Responsibilities

• Lead creation, integration, and maintenance of simulation models, including plant, sensor/actuator models, and controller representations.
• Develop and maintain Battery HIL models and benches supporting BECM, cell balancing, contactor logic, diagnostics, thermal systems, and high voltage architecture behavior.
• Plan and coordinate model updates, hardware upgrades, and test environment rollout for new features and SDV2 architecture changes.
• Ensure benches meet program timing, support feature development, and enable early defect detection before vehicle integration.

Tools

ETAS INCA

Lauterbach

CANalyzer

Vehicle Spy

Python

Job description

Job Description DUTIES: Lead the creation, integration, and maintenance of simulation models, including plant models, sensor/actuator models, serial data networks, and controller representations. Develop and maintain Battery HIL models and benches supporting BECM, cell balancing, contactor logic, diagnostics, thermal systems, and high voltage architecture behavior. Plan and coordinate model updates, hardware upgrades, and test environment rollout to support new features, new programs, and SDV2 architecture changes. Ensure benches meet program timing, support feature development, and enable early detection of defects before vehicle integration. Hybrid Work Policy - 3 days In-office, 2 days remote - Must be able to report to local office. REQUIREMENTS: Bachelor's degree in Mechanical Engineering, Mechatronics Engineering, Electrical Engineering, Software Engineering, Computer Engineering, or related field of study and Three (3) years of experience as a Software Engineer, SIL Software in the Loop Engineer, HIL Simulation & Integration Engineer, High Voltage Simulation Engineer, or related occupation. Three (3) years of experience with: Complex design of models with real time simulation; and HIL bench tools, including ETAS INCA, Lauterbach, CAN (CANalyzer or Vehicle Spy), and Python. Two (2) years of experience with: HIL design and integration; Modeling and testing electrical, short circuit, and fault scenarios; and Creating in model, the simulated sensors and actuators (voltage, current, temperature) and synchronizing the physical hardware with simulated plant models. #LI-DNI About GM Our vision is a world with Zero Crashes, Zero Emissions and Zero Congestion and we embrace the responsibility to lead the change that will make our world better, safer and more equitable for all. Why Join Us We believe we all must make a choice every day – individually and collectively – to drive meaningful change through our words, our deeds and our culture. Every day, we want every employee to feel they belong to one General Motors team. Benefits Overview From day one, we're looking out for your well-being–at work and at home–so you can focus on realizing your ambitions. Learn how GM supports a rewarding career that rewards you personally by visiting Total Rewards resources. 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