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12v System Design EngineerStellantis • United States
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12v System Design Engineer

Stellantis
  • US
    United States
  • US
    United States
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Über

The
12V Systems Design Engineer
is a key contributor within the Product Development & Technology (PDT) organization, operating in the Electrified Hardware Engineering (EHE) and Hardware Engineering (HWE) perimeter. The role supports the design, integration, validation, and vehicle-level performance of the
12V Energy Provider subsystem . This position is responsible for defining robust, cost-effective, and innovative 12V electrical system solutions by ensuring alignment between vehicle needs, system and subsystem strategies, and architectural constraints. The engineer works cross-functionally on system architecture, requirements definition, component sizing, vehicle testing, diagnostics, and validation to ensure correct vehicle behavior and customer satisfaction. Hands-on experience with vehicle electrical systems, communication networks, testing tools, and data analysis is essential. Key Responsibilities: System Engineering & Architecture Gather, analyze, and consolidate stakeholder inputs from vehicle systems and 12V sub-domains
Identify and manage environmental, operational, and architectural constraints
Define and manage upper-level 12V system requirements, constraints, and use cases
Define functional system architectures aligned with Quality, Cost, Timing, and Performance (QCTP) objectives
Perform functional decomposition and allocation across hardware, software, and processes
Provide system-level synthesis of system behavior, operating strategies, and vehicle interactions
Electrical Power System Design & Sizing Perform
battery sizing calculations
based on vehicle load profiles, duty cycles, and customer usage scenarios
Perform
alternator sizing and capability analysis
to ensure adequate power generation under all operating conditions
Conduct
Ignition Off Draw (IOD)
and parasitic load analysis, including network and module sleep behavior
Support definition and optimization of charging and power management strategies
Requirements & Functional Specification Define high-level functional and technical requirements for hardware, software, and validation teams
Ensure full requirements traceability throughout the development lifecycle
Ensure clear understanding, alignment, and acceptance of system requirements across stakeholders
Support diagnostics and functional behavior definition related to the 12V system
Vehicle-Level Testing & Validation Define and execute
system-level and vehicle-level validation plans
for the 12V electrical system
Plan, set up, and conduct vehicle tests covering:
12V lead-acid and future lithium battery systems
Alternators and charging systems
120V / 230V DC/AC inverters
Battery sensors and intelligent power components
LIN- and CAN-based loads and control modules
Execute testing under various environmental and operating conditions (hot, cold, key on/off, high load, charging, sleep modes)
Review, approve, and document system validation and test results
Ensure system strategies are correctly implemented and validated to achieve expected vehicle behavior
Diagnostics, Communication & Issue Management Use
CANoe and CANalyzer
to analyze CAN and LIN communication, signal behavior, and diagnostics
Validate network behavior during key-on, key-off, and sleep transitions
Diagnose LIN communication issues including wake-up behavior, timeouts, and configuration issues
Use
PICO Scope and oscilloscopes
to analyze voltage, current, ripple, transients, and communication signals
Perform root cause analysis of electrical, communication, and sleep current issues
Track, manage, and resolve issues and deviations across the development lifecycle
Cross-Functional & Supplier Collaboration Work closely with systems, software, hardware, and validation teams to align architecture and requirements
Support supplier coordination for batteries, alternators, inverters, sensors, and LIN/CAN-controlled components
Participate in design reviews, technical reviews, issue resolution meetings, and program milestones
Documentation & Process Compliance Create and maintain technical documentation including system analyses, requirements, test plans, and reports
Support compliance with internal development processes, system engineering methodologies, and automotive standards
Contribute to continuous improvement of system engineering and validation processes
Our Benefits - Designed with You in Mind Comprehensive Health & Well-being Coverage From your very first day, youll 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. Thats why we offer: 17+ paid holidays, including shut-down from December 24 th
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 dont 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, youre not just building a career - youre joining a company that supports you, inside and outside of work.
  • United States

Sprachkenntnisse

  • English
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