Systems Engineer II (Wire Harness Circuitry)

Sumitomo Electric Wiring Systems, Inc
Saline, MI

Description

Job Title: Systems Engineer II

Work Location: Saline, Michigan

This is a Hybrid position, which combines both in office and off-site work.Associates are required to work at least four days in the office each week, but also have the flexibility to work off-site.

BASIC PURPOSE:

This engineer will support guest engineer/design-in work with Toyota and will support next-generation electrical platform development for Toyota vehicles, as well as upcoming model year changes. An experienced engineer with an understanding of automotive design development, wire harness engineering, or related systems experience is preferred. The new engineer will complete a temporary training period at SEWS Farmington Hills office prior to joining a development team at Toyota Technical Center as a design-in engineer. This role will have responsibility for harness circuitry design.

RESPONSIBILITIES:

  1. Inputs and maintains product design data (wiring specifications and subsystem diagrams) on Toyota's circuitry design system throughout the developmental phases of assigned projects.
  2. Works closely with other departments at Toyota (and SEWS) to maintain the communication levels necessary for project success.
  3. Outputs Toyota data and drawings and distributes them to all necessary locations with timeliness and accuracy.
  4. Visits SEWS manufacturing plants at planned stages of the project to review harness quality and workability, and to explain critical harness points to manufacturing members.
  5. Visits Toyota's manufacturing plants through the customer's RE (Resident Engineer) program to investigate quality and workability problems in the vehicle and apply effective countermeasures.
  6. Understands design quality controls and applies them throughout the harness development process to achieve excellent design quality.
  7. Fully understands the project design schedule and follows it to reach each milestone in a timely manner.
  8. Responsible for understanding Toyota standards and procedures and following them closely throughout the course of assigned projects.
  9. Responsible for understanding SEWS' Design Standards, the Internal Wire Harness Check Sheet, and past problem checklists, and applying this knowledge to both initial harness development and harness evaluations.
  10. Understands harness circuitry design and harness components, and can participate in R&D for the next generation of Toyota vehicles. Able to lead small model year project effectively with project management skills and effective communication to customer.

QUALIFICATIONS/REQUIREMENTS:

  • BS Degree in Electrical Engineering; 3-5 years of experience in automotive design (preferably harness-related).
  • Must be willing to travel about 5% of the time.
  • Knowledge of automotive electrical design software (Zuken) is a plus.
  • Important note: The candidate’s primary work location will be on-site at the customer’s location in York Township, not at SEWS Farmington Hills location under normal working conditions.
  • Must be open to a flexible/hybrid working environment given the current work climate.
  • Japanese bilingual skills are a bonus but not required.

About Sumitomo Electric Wiring Systems, Inc.

Sumitomo Electric Wiring Systems, Inc. (SEWS) is part of the Sumitomo family of companies, a 400 year old brand with a reputation for quality and reliability. With the support of facilities throughout North America, SEWS has been delivering innovative solutions to automakers for over 30 years, and is a leading supplier of electrical distribution systems, components and electronics. SEWS is committed to technical development worldwide and with a global network of resources, is able to deliver a truly competitive advantage to each of our customers. Our associates are what drive Sumitomo’s continued growth, which is why we proudly offer a competitive salary and comprehensive benefits package, including Medical, Dental, Vision, Disability, Life, 401(k) with match, tuition benefits, paid holidays and vacation.

To learn more about us, please visit www.sewsus.com.

Follow Us on LinkedIn: https://www.linkedin.com/company/sumitomo-electric-wiring-systems


About the Sumitomo Electric Group

Since the founding of Sumitomo Electric Industries, Ltd. in 1897 with copper wire production, we have developed many new technologies and products through innovative R&D activities based on Sumitomo Electric manufacturing technologies for electric wires and power cables. With more than 350 subsidiaries worldwide, we continue to introduce a wide variety of products that fulfill the expectations of society, in five business fields: Automotive, Information & Communications, Electronics, Environment & Energy, and Industrial Materials. We are a Fortune global 500 company.

To learn more about Sumitomo Electric Group, please visit http://global-sei.com.

Follow Us on LinkedIn: http://www.linkedin.com/company/sumitomo-electric


**Interested Candidates Should Submit Cover Letter and Salary History When Applying.** An Equal Opportunity Employer M/F/D/V

Posted 2026-05-27

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