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Prototype Principal Engineer - EV Charging Systems

Yesterday Ann Arbor, MI

Overview

Who we are

Collaborative. Respectful. A place to dream and do. These are just a few words that describe what life is like at Toyota. As one of the world's most admired brands, Toyota is growing and leading the future of mobility through innovative, high-quality solutions designed to enhance lives and delight those we serve. We're looking for talented team members who want to Dream. Do. Grow. with us.

To save time applying, Toyota does not offer sponsorship of job applicants for employment-based visas or any other work authorization for this position at this time.

Who we're looking for
Toyota's Powertrain Design and Evaluation (PDE) Department is looking for a passionate, highly motivated Prototype Principal Engineer with expertise in EV charging systems and HEMS (Home Energy Management System) design.

The primary responsibility of this role is to lead prototype design, development, and validation of HEMS-related products, including uni-directional chargers, bi-directional chargers, V2H (Vehicle-to-Home) units, V2G (Vehicle-to-Grid) units, and inverters.

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Reporting to the Manager, Powertrain Design and Evaluation, the person in this role will support PDE's mission to advance Toyota's electrification strategy by developing safe, innovative, and competitive charging solutions for the global market.

What you'll be doing

  • Leading prototype design and vehicle integration for chargers, inverters, and V2X systems in collaboration with suppliers and Toyota Motor Corporation (Japan).
  • Benchmarking market products, defining specifications, and ensuring compliance with IEC, SAE, UL, and CPSC safety regulations.
  • Coordinating development gates, schedules, cost analysis, and technical issue resolution through launch.
  • Creating and reviewing CAD models, 2D drawings, technical reports, and instruction sheets using Toyota Design Process and Standards.
  • Building strong relationships with cross-functional stakeholders including engineering teams, purchasing, suppliers, and planning groups.

What you bring

  • Experience in automotive design and development.
  • Bachelor's degree or higher in Electrical or Mechanical Engineering.
  • Proficient CAD skills with strong understanding of electrical circuits and GD&T.
  • Knowledge of DRBFM, DFMEA, FTA, and LT-SPICE.
  • Proficiency with Excel and PowerPoint.
  • Strong communication and interpersonal skills for effective stakeholder engagement.
  • Willingness to travel domestically and internationally (up to 20%).

Added bonus if you have

  • Knowledge of consumer products in EV charging and HEMS design.
  • Ability to release electrical and mechanical specifications through established processes.
  • Hands-on manufacturing experience.
  • Additional relevant engineering experience.
  • Proficiency in creating 3D models, 2D drawings, technical reports, and instruction sheets.
  • Exposure to evaluation or testing procedures.

What we'll bring

During your interview process, our team can fill you in on all the details of our industry-leading benefits and career development opportunities. A few highlights include:

  • A work environment built on teamwork, flexibility, and respect
  • Professional growth and development programs to help advance your career, as well as tuition reimbursement
  • Team Member Vehicle Purchase Discount.
  • Toyota Team Member Lease Vehicle Program (if applicable).
  • Comprehensive health care and wellness plans for your entire family
  • Toyota 401(k) Savings Plan featuring a company match, as well as an annual retirement contribution from Toyota regardless of whether you contribute
  • Paid holidays and paid time off
  • Referral services related to prenatal services, adoption, childcare, schools, and more
  • Tax Advantaged Accounts (Health Savings Account, Health Care FSA, Dependent Care FSA)

Belonging at Toyota

Our success begins and ends with our people. We embrace all perspectives and value unique human experiences. Respect for all is our North Star. Toyota is proud to have 10+ different Business Partnering Groups across 100 different North American chapter locations that support team members' efforts to dream, do and grow without questioning that they belong.

Applicants for our positions are considered without regard to race, ethnicity, national origin, sex, sexual orientation, gender identity or expression, age, disability, religion, military or veteran status, or any other characteristics protected by law.

Have a question, need assistance with your application or do you require any special accommodations? Please send an email to talent.acquisition@toyota.com.

Client-provided location(s): Ann Arbor, MI
Job ID: Toyota_North_America-579027815
Employment Type: FULL_TIME
Posted: 2025-08-13T18:55:30

Perks and Benefits

  • Health and Wellness

    • Health Insurance
    • Dental Insurance
    • Vision Insurance
    • Life Insurance
    • Short-Term Disability
    • Long-Term Disability
    • FSA
    • HSA
    • On-Site Gym
  • Parental Benefits

    • Adoption Leave
    • Birth Parent or Maternity Leave
    • Non-Birth Parent or Paternity Leave
    • Adoption Assistance Program
    • Family Support Resources
  • Work Flexibility

    • Flexible Work Hours
  • Office Life and Perks

    • On-Site Cafeteria
  • Vacation and Time Off

    • Paid Vacation
    • Paid Holidays
    • Personal/Sick Days
  • Financial and Retirement

    • Relocation Assistance
  • Professional Development

    • Internship Program
    • Tuition Reimbursement
    • Promote From Within
    • Mentor Program
    • Access to Online Courses
  • Diversity and Inclusion