Senior Applications Engineer

Senior Applications Engineer

Position at Sumitomo Electric Wiring Systems, Inc.

SEWS—Ohio Customer Service Center (Marysville, OH).

Although located at SEWS – Ohio Customer Service Center Office, this is a hybrid position, which combines both in office and off-site work. Associates are required to work at least three days in the office each week, but also have the flexibility to work off-site.

Basic Purpose:

The Senior Applications Engineer will work directly with IT Department to design SEWS next-generation supply chain systems architecture with particular focus on global finished goods operations. This role is critical to transitioning from legacy, in-house systems to SaaS cloud systems such as Enterprise Resource Planning (ERP) and Transportation Management Systems (TMS).

This role will ensure seamless integration between existing internal systems and new cloud-based platforms, including orchestration layers, TMS, and ERP solutions. The applications engineer will enable connectivity across production planning, in-transit logistics tracking, warehouse management, and customer order/forecast systems (EDI), driving efficiency, visibility, and responsiveness across the global supply chain.

Basic Position Duties:

• Work with IT Department to design the future systems architecture for global finished goods supply chain transformation, ensuring scalability, flexibility, and long-term sustainability.
• Design and implement integration solutions connecting legacy in-house systems with modern SaaS platforms and orchestration layers.
• Develop API-based and event-driven solutions to enable real-time data exchange across production planning, logistics tracking, warehouse operations, and customer ordering systems.
• Partner with business stakeholders (Production Planning, Manufacturing, Logistics, Warehouse, Delivery, and IT Department) to translate operational requirements into technical system capabilities.
• Establish data governance and system reliability standards, ensuring data accuracy, system uptime, and cybersecurity compliance.
• Troubleshoot and resolve system integration issues, providing ongoing support and continuous improvement of application performance.
• Lead and mentor internal teams and external partners, building organizational capability in modern system architecture and integration best practices.

Position Requirements:

• Bachelor's degree in computer science, information systems, engineering or related field
• 7-10 years' experience in system application engineering, integration or enterprise architecture
• Experience working with automotive or complex manufacturing supply chains
• Strong knowledge of system integration methods (APIs, Webhooks, event-driven architecture)
• Familiarity with supply chain systems: Enterprise Resource Planning (ERP), Production Planning, Warehouse Management Systems (WMS), Transportation/Logistics systems (TMS), EDI and customer forecast/order integration.
• Experience with hybrid system environments (cloud-based SaaS platforms and on-premises systems)
• Experience transitioning or modernizing legacy systems
• Strong problem-solving and analytical skills with ability to translate business needs into system solutions
• Excellent communication skills with ability to collaborate across global and cross-functional teams

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

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

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