Lead Engineering Change Management (ECM) processes across PTC Windchill and SAP S/4HANA, including Engineering Change Requests (ECRs), Engineering Change Orders (ECOs), impact analysis, workflow approvals, change numbers, revision control, effectivity dates, release status, audit traceability, and coordinated implementation of changes to materials, BOMs, routings, documents, and production master data. Lead the design and delivery of the PTC Windchill and SAP S/4HANA interface, including integration architecture, data mapping, transformation rules, validation, error handling, monitoring, security, reconciliation, and support procedures for parts and materials, EBOMs and MBOMs, documents and drawings, revisions, effectivity, engineering changes, routings, and release statuses.