Migration Specialists in Germany

• Planning and implementation of a migration strategy for master and transaction data for the continuous loading of a cloud-independent database
• Creation and pilot implementation of a company-wide Business Data Model for customers, suppliers, contracts, products, prices, consumption, invoices, and dunning
• Concept and consulting for a Data Governance Framework incl. definition of committees, roles, processes, and metadata model
• Operationalization of the Data Governance Framework with definition of data standards
• Sub-project management in two pilot projects (PoCs) for Data Governance systems (ErwinDIS and Atlan)
• Training and coaching the data team in migration, data quality, and data modeling

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.

• Migration of financial data from Microsoft Dynamics to SAP ECC for eleven companies, as well as from SAP S/4HANA to SAP ECC for one additional company. At the same time, an interface from an operational leasing tool to SAP S/4HANA had to be tested from a business perspective and aligned in an audit-proof way.

• Lead and plan the migration work packages, create the migration concept for accounts payable and accounts receivable with active customer-vendor integration, set up the reconciliation and QA method, test management, cutover planning, and audit-proof project documentation.

SAP/business focus: SAP S/4HANA, SAP ECC, FI, Business Partner/CVI, Finance Data Migration, Reconciliation, Test Management, Cutover

• Traceable and audit-proof migration of multiple companies with clear reconciliation logic, strong QA evidence, and controlled cutover.

• 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

• SQL database development, design, documentation of procedures, functions, and triggers
• Migration of data from the Sage Line 100 database to Odoo
• DB design with MS SQL Server and SQL (T-SQL)
• Use of Power Query and Excel

• Configured and automated data extracts from Oracle databases, achieving 100% data accuracy in a critical migration project, significantly reducing manual errors and accelerating the migration timeline.

• Designed and implemented interfaces with Order Management Systems (OMS), enabling seamless and automated data exchange and improving operational efficiency through faster, error-free order processing across business units.

• Developed and deployed data extraction workflows to support regulatory compliance and customer reporting, ensuring timely delivery of key reports, reducing manual effort, and increasing customer satisfaction.

• Technical program ownership for the IPv6 migration at DRV RP and DRV BW, with a focus on migration planning, execution structure, and cross-functional technical coordination.
• Designed and implemented an operational control model with dashboard, action board, KPI portfolio, risk register, and decision index to translate technical topics into structured delivery artifacts.
• Coordinated technical groundwork for architecture and rollout across IPv6 addressing, segmentation, dual-stack target design, test-lab planning, and cross-team dependencies.
• Supported security and compliance-related requirements in the context of BSI, NIS2, and critical infrastructure, translating them into traceable evidence, risks, and management reporting.
• Achievement: Established a reusable intake-to-governance workflow for systematically capturing technical actions, risks, open issues, and evidence requirements.
• Achievement: Created an operational baseline for technical program execution with measurable KPIs, clear ownership, and transparent decision support.

• HPE NonStop with MQ Series and migration of two old NonStop systems to a new system.
• Analysis of the differences between the old and new system environment.
• Avoidance of bottlenecks in the areas of names, low-pin processes, and resource usage.
• Use of NonStop products: TACL and Measure.
• Migration from TAL with MQ to COBOL with MQ.
• Review of the differences and use of IBM recommendations for MQ.
• Use of NonStop products: MQ and COBOL.

• Client: Terex Corporation

• Linux server migrations: planning and execution of the migration with SLES Linux deployment of VMs in VMware 8.0
• Guiding colleagues on configuring Linux VMs with vSphere Auto Deploy
• Application operations: ensuring smooth operation of applications on migrated servers
• Operations manuals: revising existing manuals, updating and creating new ones as needed
• Reviewing service offers: adjusting and optimizing service offerings of external providers
• Logistics software, Red Hat Linux, Ansible, Confluence / Jira

• Supported the company's transition from an on-premise architecture to AWS cloud services, modernizing infrastructure and optimizing operational efficiency.
• Leveraged expertise in automation and software implementation to enhance scalability, reliability and profitability.
• Implemented Poetry and Ruff to streamline Python dependency management and code quality checks, improving development efficiency and reducing errors.
• Implemented an automated CI/CD strategy with GitHub Actions, which decreased deployment times and minimized manual intervention.
• Enforced deployment automation for Kubernetes, enhancing the scalability and reliability of applications across the organization.
• Evaluated and implemented Apache Airflow for workflow management, leading to more efficient scheduling and monitoring of data pipelines.
• Created data interfaces for energy traders, enabling them to optimize profit margins through improved data analysis and decision-making tools.

• All Windows clients are managed in a hybrid, central AD
• Client standardization
• Implementation of information security policy requirements
• Development of new infrastructure services delivered as a managed service by a new provider
• New IT platform is a central and secure directory service
• M365 Azure AD
• MS terminal services
• Zscaler
• M365 cloud for workplace management
• PaaS / SaaS is procured through a new provider

• Project management of a system migration at a statutory health insurance company.
• Took over the project management for replacing a historically grown, in-house developed IT system with a standard industry solution.
• The project is currently in the analysis and concept phase.
• Recording and documenting existing processes and business use cases in the area of billing logic.
• Assessing technical and organizational dependencies in the context of replacing the system.
• Deriving requirements for the new solution and developing a solid target picture in close coordination with IT, the business department, and external partners.
• Preparing the migration strategy and risk assessment regarding data transfer and functional parity.
• Planned tasks for the second project phase: managing the migration, test management, handover to production, and shutting down the old system.