Design, implementation, and deployment of a Microsoft Entra solution for the secure and automated replication of SAP Ariba entities via the SAP CIS (formerly IAS/IPS) platform. The project included the harmonization of user and role models, the development of integration interfaces, and the establishment of a scalable, cloud-based synchronization process. The solution ensures a consistent data foundation across systems, supports compliance requirements, and enables seamless integration into existing SAP landscapes.

For a medical customer, I supported an SAP project implementing an HCM BTP Workzone App integrated with the existing ECC backend. Access is provided via Single Sign-On, enabling secure use by both internal employees and external service providers. By connecting SAP CIS and MS Entra, a modern identity and access management setup was established. In addition, comprehensive monitoring ensures transparency and system stability during ongoing operations.

Led the upgrade of SAP Business One from 9.3 to 10, including MSSQL Server migration and landscape relocation. Supported the integration of new EMEA/US sites, the setup of a Citrix environment, and conducted database performance analyses as well as stress testing of a custom-built web application. Developed multiple interfaces and implemented end-to-end monitoring with automated browser tests and dashboards.

Supported two clients during SAP RISE PCE brownfield migrations, collaborating closely with SAP teams. Assisted in the integration of SAP BTP applications into the PCE landscapes, ensuring smooth system transition and optimal performance.