Define the target-state data architecture across S/4, BTP/DataSphere, SAC, Power BI, AWS, Salesforce, telematics, and the remaining SyteLine environment.
Design for the three-year coexistence period when Aftermarket is on S/4 but Bus remains on SyteLine.
Challenge and validate Deloitte’s recommendations.
Clarify what belongs in S/4, DataSphere, the enterprise warehouse, AWS, and archival storage.
Define the sustainable master-data model after Phase 1.
Evaluate native S/4 governance now versus later adoption of MDG or a third-party platform.
Protect GILLIG from making Phase 1 decisions that constrain the broader enterprise architecture