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12V System Design EngineerStellantis • Auburn Hills, Michigan, United States
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12V System Design Engineer

Stellantis
  • US
    Auburn Hills, Michigan, United States
  • US
    Auburn Hills, Michigan, United States
Jetzt Bewerben

Über

The LV Electrical Balance Engineer is responsible for modelling, simulating and governing the12V energy management and components sizing. The role ensures the vehicle’s capability to supply the required 12V energy across all life phases and use cases, in compliance with performance, reliability, and architecture requirements.

The position aims to ensure that products meet performance, quality, innovation, and reliability targets throughout the entire development lifecycle.

KEY RESPONSIBILITIES

Generator Sizing and Electrical Balance

  • Lead the end-to-end generator sizing process for 12V electrical systems, including alternator and DC/DC converter assessment, in alignment with vehicle program requirements and applicable engineering standards.
  • Engage cross-functional stakeholders to collect, validate, and converge all required input data.
  • Consolidate vehicle configurations, component reference names, nominal consumption values, component behavior profiles, and generator output curves to support accurate electrical balance simulations.
  • Run electric balance simulations, analyze load budget results and identify risks related to generator capability, load consumption, and vehicle mission profiles.
  • Define, simulate, and validate load activation or load reduction scenarios to reduce total electrical consumption when required by generator sizing results.
  • Manage official release of generator sizing reports, ensuring traceability of assumptions, decisions, approvals, and project communication.

Battery Sizing

  • Lead the 12V battery sizing process, including static and dynamic Ignition-Off Draw (IOD) calculations, for Logistic Mode and Customer Mode vehicle use cases.
  • Collect and consolidate vehicle configurations, network architecture design, component reference names, nominal consumptions, and component behavior data required for battery sizing calculations.
  • Define use cases and services to be considered in Logistic Mode and Customer Mode, including time-dependent Key-Off activities, service activation scenarios, and applicable vehicle lifecycle phases.
  • Develop full IOD calculation reports, including battery state of charge behavior over time, risk assessment, and compliance with target parking or logistic duration requirements.
  • Ensure official release of the full IOD calculation report, maintaining consistency between calculation inputs, technical decisions, approval status, and project requirements.

Load Consumption during Homologation Cycle

  • Collect and consolidate homologation driving cycle information, including cycle phases, operating conditions, vehicle configuration, and applicable low-voltage network assumptions.
  • Identify active electrical loads during the homologation cycle and define their operating profiles, activation logic, duty cycle, and percentage of use in collaboration with the relevant engineering stakeholders.
  • Calculate the total low-voltage network consumption during the homologation cycle by integrating load nominal consumption, activation timing, usage percentage, and driving cycle assumptions.
  • Assess the impact of low-voltage electrical consumption on the homologation cycle, supporting technical evaluations related to vehicle energy balance, CO2, fuel consumption, or electric range impact as applicable to the vehicle program.
  • Review calculation assumptions, results, and proposed conclusions with cross-functional teams, ensuring technical alignment and decision traceability.
  • Prepare and release a dedicated homologation cycle load consumption report, including input data, methodology, assumptions, calculation results, impacts, open points, and approvals.

Our Benefits - Designed with You in Mind

Comprehensive Health & Well-being Coverage

From your very first day, you’ll have access to medical, dental, vision, and prescription drug coverage - ensuring you and your family stay healthy and protected.

Generous Paid Time Off

We believe in work-life balance. That’s why we offer: 17+ paid holidays, including shut-down from December 24th through New Years Day every year. Vacation, float & wellbeing days, sick time and fully paid parental leave when your family needs you most.

Competitive Retirement Savings Plans

We help you plan for the future with:

    • An employer match on contributions to your 401k, Roth, and Catch-Up plans
    • An employer contribution, even if you don’t contribute

Income Protection & Insurance Options

Benefit from included and optional disability, life, and other insurance programs - because your peace of mind matters.

Company Vehicle Lease Program

Eligible employees and their immediate families can enjoy company vehicle lease options with included insurance, maintenance, and unlimited mileage. Plus, take advantage of exclusive discounts on Stellantis products.

Family Building Benefit

We proudly support all paths to parenthood- including fertility and infertility treatments, adoption services, and gestational surrogacy.

Support for Your Growth and Giving Back

We believe in investing in your future and your passions:

    • Tuition reimbursement
    • Student loan refinancing programs
    • 18 paid volunteer hours each year to make a difference in your community

And so much more!

When you join us, you’re not just building a career - you’re joining a company that supports you, inside and outside of work.

  • Auburn Hills, Michigan, United States

Sprachkenntnisse

  • English
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