Wire Harness Circuitry Design Senior Engineer (SEP4)

l system in the vehicle.

Reporting to the Senior Engineering Manager, this position will support SEP-4's mission to enrich customer lives through safe, responsible, and reliable mobility by delivering world-class electrical infrastructure systems.

What You'll Be Doing

• Create and review circuitry design outputs:

  • Power Distribution (Fuse and Relay)
  • Joint and wire-to-wire design
  • CAN communication and layout
  • Earthing layout
  • Wiring diagrams and connector drawings
  • Wire harness part variations (part dividers)

• Build/maintain circuitry development schedules aligned to WH routing and vehicle milestones.

• Coordinate wiring specification requests across Z groups and close out with system owners.

• Create/maintain production & prototype parts lists; issue ECIs and PPRs as needed.

• Manage supplier design requests for parts (power distribution box, fuses, terminals, connectors).

• Lead supplier design-in members; allocate tasks, ensure schedules are met, resolve issues, and report to management.

• Collaborate with routing/project leaders to address WH-related issues.

• Support prototype and mass production trials, troubleshooting WH concerns onsite.

• Perform additional duties as assigned.

What You Bring

• B.S. in Electrical Engineering or related discipline

• Knowledge of parts list/BOM creation

• Knowledge of wire harness circuitry design processes

• Supplier collaboration experience

• Vehicle build trial support experience and troubleshooting skills

• Leadership on vehicle projects or company initiatives

• Ability to interpret wiring specifications and detect/correct errors

• Knowledge of WH manufacturing processes (terminal crimping, splicing, connector selection, etc.)

• Proficiency in Microsoft Office

• Excellent communication, interpersonal, and negotiation skills

Added Bonus If You Have

• CATIA or 3D wire harness modeling experience

• CR5000 or Cabling Designer experience

• Python programming/coding experience

• TBP completion

• Proficiency with Toyota systems (New-SMS, G-SMS, Tech Notices)

• Japanese language skills

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 [email protected] .