Aptiv is seeking an Application Engineer - Product Engineering to optimize product design, improve functionality, and reduce costs through value analysis and engineering. The role involves leading wiring harness system design and development using CAD tools like CATIA, AutoCAD, and SolidWorks. Responsibilities include managing design changes, generating engineering documentation, participating in all product development phases, and utilizing PLM software for data management. The engineer will also manage Bill of Materials (BOM), coordinate BOM changes, handle customer validation requirements, and pursue new business opportunities. A B.E./B.Tech degree with 5-8 years of experience is required, along with proficiency in 3D/2D software and communication in English, Tamil, and Hindi.