Toyota North America · 1 day ago
Wire Harness Circuitry Design Senior Engineer (SEP4)
Saline, MI
Full-time
Onsite
Senior LevelToyota North America is one of the world’s most admired brands, leading the future of mobility through innovative solutions. They are seeking a highly motivated Senior Engineer responsible for wire harness circuitry design and development of power distribution systems that support every electrical system in the vehicle.
Manufacturing
No H1B
Responsibilities
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
Qualification
Required
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
Preferred
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
Benefits
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)
Company
Toyota North America
At Toyota, we’re known for making some of the highest quality vehicles on the road. But there is more to our story.
Founded in 1957
10001+ employees
Funding
Current Stage
Late StageTotal Funding
$4.5MKey Investors
ARPA-E
2024-12-18Grant· $4.5M
Leadership Team
Tetsuo Ogawa
CEO
Brian Kursar
Group Vice President - Head of Enterprise AI
Recent News
Morningstar.com
2026-01-05
2026-01-05
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