SAP BW Experts in Frankfurt

Europe-wide re-platforming & centralization

• Independently created the migration concept and implementation plan for the Europe-wide centralization and consolidation of IT services for around 20 European companies as part of a re-platforming program.
• Migration assessment: analysis of the existing IT, infrastructure, application, and service landscapes of the companies as the basis for the migration strategy.
• Development of the centralized target vision and target architecture based on a modern technology stack, taking platform and containerization approaches into account.
• Design of a highly available central infrastructure in an active-active model across two data centers; consideration of cloud, infrastructure, application, CMDB, and IAM services.
• Development of the migration and transformation roadmap, including defining migration waves, dependencies, requirements, and priorities for the move from decentralized services to the central platform.
• Analysis of technical and organizational dependencies, identification of migration risks, and development of a structured approach for step-by-step migration and centralization.
• Creation of target, solution, and implementation views for each service domain; design of the end-to-end join-move-leave process as a blueprint for the European rollout (Jira/Jira Asset Management).
• Alignment of migration strategy and roadmap with European companies, management, IT, providers, and other stakeholders; presentation of the 12-month roadmap to the Managing Director Europe.

• Consulting project. Member of Program Management Office leading the turnaround of a EUR 5 bil engineering Group, responsible for Indirect Spend reduction and targeting EUR 60 mil savings across 10+ spend categories

• Migration of SEPA direct debits, credit transfers & card clearing to Worldline's internal platform as part of the outsourcing contract

• Definition of the MIGR strategy

• Mobilization of the community (300+ experts at client & Worldline)

• Creation of the MIGR runbook (100+ workshops)

• Close collaboration with upstream project streams: BUILD & TEST, as well as with the operating units

• Set up of the governance framework, capacity management & reporting

• 100% of SEPA DD, CT & CC transaction traffic migrated (7 months)

• ~80 migrations carried out with a success rate of 70% ("first-time right")

• Set up technical & manual production monitoring

• Established a "fast-track" incident management process in the MIGR & hypercare phases

• Set up 20+ exception handling processes

• Conducted trainings

• Implemented SLAs & billing

• Project for Deutsche Bahn
• Analysis of the current project documents and enhancement of the test concept
• Preparation of checklists for requirements analysis regarding testability and test case review
• Preparation of onboarding documents for new team members
• Participation in presentations and involvement in decisions regarding the hiring of new team members
• Leading the test team with members in Romania, Spain and Germany
• Allocation and supervision of test tasks for my team members
• Definition of the documentation tool to be introduced in consultation with the project manager
• Preparation of a concept for introducing automated tests, including the definition of the test tool
• Hands-on test case creation, execution and reporting
• Participation in management meetings at various levels and taking on tasks for the test team
• Preparation of detailed documentation
• Tools used: TestConductor, Testona (CTE), VectorCast, Parallel, Ubuntu, Visual Studio Code, Google Cloud, IBM ELM landscape, CENELEC, etc

• Create functional concepts for implementing applications
• Coordinate tests
• Create and execute test cases
• Create test reports

• Implementation of a new financial and legal model and an IT Operating Model (ITOM)
• Structural improvement of collaboration between IT organizations
• Increased transparency of IT costs
• Introduction of a global IT budget process
• Implementation of a billing process (SAP SD) for IT services, coordinating the teams
• Responsible IT headquarters controller
• Support for a new CIO in the first months

• Coordinating requirements (collecting documents, quality assurance)
• Coordinating IT process landscape meetings
• Managing the release process for new/updated sfO
• Handling updates to the process map
• Checking sfO documents for methodological compliance

• Developing and implementing new reporting requirements based on Oracle DWH with various business intelligence systems (SAP Business Objects and Birt-Eclipse)