Business Planner II - Cost Planning Section (Japanese-English Bilingual)

Finance Farmington Hills, Michigan


Position at Sumitomo Electric Wiring Systems, Inc.

SEWS - Farmington Hills, Michigan Office.  Although located at SEWS – Farmington Hills Office, this is a Hybrid position, which combines both in office and off-site work.  Associates are required to work at least two days in the office each week, but also have the flexibility to work off-site.

Job Duties and Responsibilities:

  • Quote auto wiring harness cost in each developing phase.
  • Develop and maintain product standard costs for material and finished goods in SEWS' Cost Accounting System.
  • Inquire quotes and cost registration to other departments.
  • Implement cost reduction activities with wire harness business department within SEWS and with parent companies in Japan (SEI/SWS) and sister companies (group companies located mainly in China and Southeast Asia).
  • Keep track of profitability of wire harness business department and make analysis/report to management including parent companies.
  • Prepare monthly, quarterly and annual financial results of managerial Profit & Loss statement with collecting accounting and other data, and report them to management with analysis.
  • Make a business plan (budget) of managerial Profit & Loss statement twice a year or quarterly by collecting related information and make proposal to management.
  • Calculate wiring harness finished goods purchasing prices in transaction with group companies with knowledge of product cost structures and with use of our IT System.
  • Calculate wiring harness material selling prices in transaction with group companies with knowledge of product cost structures and with use of our IT System.
  • All other duties as assigned.


  • Bachelor in Business Administration or similar fields
  • 3-5 years progressive professional business accounting/finance experience
  • Prior experience in auto parts industry or manufacturing is a plus
  • Working experience at global/international corporation is a plus
  • Excellent oral and written communication in English
  • Above average Microsoft Excel skills
  • Able to speak/write in Japanese

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

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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

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

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