12v System Design Engineer

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System Design Engineer Job ID:

2017469

Career Area:

Engineering Position Type:

Salaried Location:

Headquarters & Technology Center - Auburn Hills 48326 ,

US Date Posted:

May 13, 2026

Brand:

FCA Group Apply Refer A Friend Share this job Share on Facebook Share on Twitter Share on Linkedin Share by Mail https://recruiting.adp.com/srccar/public/RTI.home?r=5001194568806&c=2183219&d=ExternalCareerSite&rb=??? You are being redirected Once you are on the page, please click the refer button Job Overview Qualifications Benefits Job Overview 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

Qualifications Basic Requirements:

Bachelor's degree in Electrical Engineering or a related discipline A minimum of 5 years of relevant experience. Experience in system engineering, electrical architecture, or vehicle integration Hands-on experience with vehicle-level electrical testing and troubleshooting 12V electrical power systems and energy storage experience Root cause analysis and risk assessment experience

Preferred Requirements:

Skills & Competencies Battery and alternator sizing Ignition Off Draw (IOD) and vehicle sleep behavior DC/DC converters, DC/AC inverters, and other power electronics

CAN & LIN

communication and diagnostics Functional analysis, requirements management, and validation strategy Tools & Languages CANoe , CANalyzer PICO Scope and electrical measurement equipment Vehicle data logging and test instrumentation Microsoft Office (Teams, Outlook, Excel, Visio) Benefits Salaried Employee Benefits (US, Non-Represented) Health & Wellbeing Comprehensive coverages encompassing the Physical, Mental, Emotional, and overall Wellbeing of our employees, including short- and long-term disability. Compensation, Savings, and Retirement Annual Incentive Plan (SAIP), 401k with Employer Match & Contribution (max 8%), SoFi Student Loan Refinancing. Time Away from Work Paid time includes company holidays, vacation, and Float/Wellbeing Days. Family Benefits 12 Weeks paid Parental Leave, Domestic Partner Benefits, Family Building Benefit, Marketplace, Life/Disability and other Insurances. Professional Growth Annual training, tuition reimbursement and discounts, Business Resource & Intra-professional Groups. Company Car & More Comprehensive Company Car Program and Vehicle Discounts. Vehicle discounts include family and friends. EOE/Disability/Veteran At Stellantis, we assess candidates based on qualifications, merit, and business needs. We welcome applications from all people without regard to sex, age, ethnicity, nationality, religion, sexual orientation, disability, or any characteristic protected by law. We believe that diverse teams reflect our identity as a global company, enabling us to better address the evolving needs of our customers and care for our future. Our benefits reflects the

STELLANTIS

commitment to helping you reach your personal and professional goals. In addition to an environment that promotes career development, we offer benefits for a healthy lifestyle and a rewarding future, designed to take care of you and your family, in various stages of life. As a global company, our employee packages will vary by country, customary norms and the legal entity into which you are hired. We care about your privacy. For more information on how your personal data is processed, please read the specific Privacy Statement provided by the respective entities whose job offer you have selected. Apply Join our Talent Community Create a talent profile to receive relevant job alerts and the latest company news! If you're a U.S. Veteran, please sign up through our Veterans Recruiting Program page. Create a Talent Profile Sign into your profile