SAP FI Expert 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.

• Responsible for the end-to-end application and integration architecture for the S-Bahn Hamburg maintenance digitalisation program. A highlight is the introduction of robots and permanently installed camera gates to automate vehicle inspections, allowing AI image algorithms to assess the condition of trains during operation.
• Deutsche Bahn has one of the largest SAP PM implementations in the world, which is a central component of this digitalisation.

• Leading technical SAP projects in FI/CO and logistics.
• Advanced ABAP analysis, debugging, and validation of complex integrations.
• Optimization of financial and logistics processes in S/4HANA environments.
• Responsibility for demand management, workshops, and technical solution architecture.

• Implementation of a “New Financial and Legal Models” as well as an IT Operating Model (ITOM)
• Structural improvement of cooperation between the IT organizations
• Increased transparency of IT costs
• Introduction of a global IT budget process
• Implementation of an invoicing process (SAP SD) for IT services, coordination of the teams
• Responsible IT headquarters controller
• Supporting a new CIO during the first months

• Continuation of responsibilities following the departure of a long-serving employee and onboarding of a new employee
• Preparation of the income statement as part of the weekly forecast in cooperation with operational departments and presentation at management meetings
• Regular analyses using Qlik Sense
• Preparation of monthly and quarterly closings
• Support for the Plant Manager
• Management of a team of four employees
• Conducting ad hoc analyses for management

• Process Owner SAP ERP 8 FI, CO & Investor Relations
• Process Owner SAP Success Factors
• Responsible for 4 teams, 39 FTE
• Full responsibility for end-to-end processes in SAP for Finance, Controlling, HR, Investor Relations
• Interface to certified public accountants for Finance IT (KPMG)
• ITIL-4 implementation for service request change request and project management with Service Now (Project Manager)

• Holistic responsibility for modernizing and expanding federal networks and upgrading critical data center and telecom infrastructure in the high-security agency environment of BDBOS
• Planning and management of the expansion of national BOS network infrastructure in the VS-NfD/KRITIS environment with technical decision authority at the architecture and component level (Cisco, Layer 2/3, WAN redundancy)
• Planning, tendering (EVB-IT/UVgO) and oversight of the upgrade of security-critical telecom infrastructure for emergency call 110/112 (ACD)
• Capacity planning, rack integration, structured cabling, power supply, cooling concept (CRAC/In-Row) and DCIM monitoring for data center expansion
• Building the IT department from scratch: structures, governance, processes, team recruiting, vendor selection and long-term IT strategy
• Planning and managing infrastructure and application migrations: migration strategies, batch planning, hypercare stabilization and rollback concepts
• Creating vendor-neutral specifications (telecom systems, signature solutions) according to EVB-IT and UVgO; contract award and vendor management
• Setting up a secure IT environment according to BSI basic protection, ISO 27001 and VS-NfD; developing IT security concepts and CMDB analyses
• Hands-on program leadership: decision papers for management and steering committees, risk management, reporting and change request control

• Finance: Managed and led multiple cash flow-related projects.
• Implemented a standardized project management organization, including a resource plan.
• Led the VAT change project in Slovakia.
• Built a management dashboard for all internal projects.
• Systems used: MS Office; Jira, Confluence.
• Reference: Alexander Knoll, CFO – SAP FICO.

• Implementation of MM and SD with integration of Diebold-Nixdorf cash registers

• Capturing the required processes (inventory management, procurement, sales, and cash register processes)

• Customizing MM and SD

• Project planning and control

• Master data upload and inventory recording using LSMW based on Excel spreadsheets

• Cash register data transfer via EDI and IDoc processing (MBGMCR and ACC_DOCUMENT)

• Creating extensive documentation for internal staff

• No middleware; instructing and training customer staff in customizing; SAP standard as prerequisite

• SAP ECC 6.0 modules MM, SD, FI

• Advising decision-makers and supporting private and public organizations
• Supporting the implementation of strategies and the execution of projects
• Leading training sessions in program and project management
• Responsibility for project volumes of up to €10 million and lateral management of diverse project teams with up to 25 employees

• Data entry according to specifications
• Master data maintenance in SAP SD environment
• Maintenance of prices in the SAP system
• Continuous data matching and error analysis
• Creating surveys/questionnaires with MS Forms
• Analysis and evaluation of results and data
• Creating simple workflows to automate processes
• Documentation

• Project planning and resource planning
• Requirements definition and technology selection
• Data migration and risk management
• Monitoring up to go-live
• Tools: Office365, Jira XRAY, Strato, Onboarding App

• ABAP developments for rku.it GmbH, Agena GmbH, Koenig & Bauer AG, Salzgitter AG, duagon AG
• Redesigned material configuration data mass maintenance Fiori app for Siemens AG Engineering to resolve system resource issues
• Conducted S4Hana ABAP code remediation, ATC checks, and implemented ABAP parallel processing for Voestalpine AG

• Directed global digital transformation programs enabling enterprise adoption of AI-powered retail analytics solutions
• Led migration from legacy platforms to cloud-based ecosystems, improving data processing performance by over 40%
• Served as strategic technology advisor to enterprise customers, aligning technology roadmaps with business objectives
• Managed cross-functional global teams of 100+ resources across multiple regions