SAP MM Expert in Cologne

• PMO Lead Security Clearance 2 (SÜ2) verified
• Reporting to the GMN sub-program management
• System maintenance 25+
• Functional management and coordination of the Jira setup
• Preparation of decision papers (e.g. project planning, governance model, communication plans, controlling models, roles and responsibilities matrices)
• Development of program-wide knowledge management using Confluence, creation of Jira concept
• Development of an access concept for all project tools
• Analysis of existing processes, identification of improvement potential, and design of solutions to increase efficiency and effectiveness
• Development of a concept for introducing automation approaches into existing tools
• Creation of intranet articles for project marketing
• Responsible for project governance through reporting and resource planning in the sub-program
• Agile development of the project methodology
• Gathering customer requirements (Requirements Engineering)
• Preparation and support of contract negotiations (7-year term, 500+ million budget)

Project: Introduction of statutory-compliant electronic invoicing (outbound, Germany) in SAP for an international technology group.

• Project management: Planning, steering and reporting of the E-Invoicing outbound rollout across all affected business areas, including budget and resource coordination.
• UAT: Structured user acceptance test with key users per business area, test cases per invoice scenario, and consolidated test results for decision making.
• Defect management: Handover and tracking of defects in Jira, including validation of the generated invoices against the statutory schemas.
• Cutover, go-live and hypercare: Readiness checks and cutover planning aligned with the statutory deadlines, coordination of go-live and stabilization during hypercare.
• Stakeholder management and reporting: Alignment with Finance, Tax, business departments and IT, preparation of status reports and decision papers, and consistent follow-up of open items.
• Change management and documentation: Communicated process changes to the business departments, enabled key users, and created process and compliance documentation to ensure traceability and audit readiness.

• Project plan creation and monitoring
• Coordination of necessary activities
• Regular status meetings
• Personnel planning for cutover
• Completion and handover of all trades to the end customer with documentation

• Structured analysis and evaluation of business processes

• Gathering, documenting, and prioritizing requirements

• Creating business-friendly and technically executable process models

• Use of Camunda tools

• Deriving requirements and interfaces from BPMN diagrams

• Coordination with stakeholders and business units

• Translating business requirements into technical solution designs

• Implementing efficient and tailored applications

• Systematic collection, analysis, and documentation of requirements

• Prioritizing and validating requirements in close collaboration with stakeholders

• Alignment between business and development to ensure shared objectives

• Creating use cases, user stories, and acceptance criteria

• Continuous requirements and change management throughout the project lifecycle

• Define project goals and create project plans

• Delegate tasks and monitor project progress

• Monitor budgets and inform stakeholders

• Mendix: Architecture, development, and maintenance of custom applications (Microflows, Domain Model, Security, XPath)

• Modeling Mendix workflows for process optimization

• Develop scalable apps with Mendix including REST/SOAP integration with SAP, SQL, Azure & SharePoint

• UI design for Mendix using Atlas UI, Fluent UI, HTML, CSS, JavaScript

• Develop web & mobile apps with Mendix using agile methods (Scrum, Kanban)

• Implement business logic with Mendix Microflows and Nanoflows

• Performance optimization and architecture improvements for Mendix applications

• Conduct Mendix training

• Create technical documentation and best practices for Mendix

• Coaching and mentoring for low-code development with Mendix

• Supporting the DevOps team in Terraform-managed, multi-region AWS infrastructure to achieve environment parity.
• Developed end-to-end CI/CD pipelines using AWS CodePipeline, CodeBuild, and CodeDeploy, automating the build and deployment.
• Maintained pre- and post-deployment scripts to automate critical tasks such as database schema migrations and environment sanity checks.
• Implemented CI/CD flow specifically for hotfixes via separate Git branches, managing back-merge activities from feature branches to release branches to ensure code integrity through automated conflict resolution.
• Deployed a dedicated, lightweight sanity check application hosted cost-effectively on Azure Container Apps to run automated health and basic functional checks as a post-deployment activity triggered via pipeline.
• Investigated production incidents through code changes and AWS CloudWatch logs.
• Coordinated integration of Dynatrace APM and its APIs for monitoring purposes.
• Full stack QA strategist for a high-traffic e-commerce platform built on a layered architecture for the back-end testing of core platform services, especially the order management system in Zed and Glue layers.
• Managed automation activities, testing process, and refactoring practices.
• Responsible for framework migrations, setup, and training for new automation frameworks.
• Promoted a shift-left approach within the QA team and created the test concept.
• Participated in meetings with IT managers, business owners, product owners, and team members.
• Designed and implemented contract testing to validate API schema compatibility between the order management system and the Zed and Glue layers, reducing production-relevant breaking changes by approximately 3%.
• Led the migration to a multi-environment framework that enabled test execution across 4 country configurations from a single codebase.
• Integrated automated unit and functional tests directly into the GitLab CI/CD pipeline, reducing pipeline runtime by 32%.
• Coached and trained 5 QA engineers across Germany and Hungary in test automation, framework architecture, and best practices.
• Architected a layered backend test automation framework separating business logic, API request builders, and the database layer.
• Piloted AI-assisted testing with Playwright Agents, the Playwright MCP Server, and GitHub Copilot for automated test generation, execution, and self-healing Playwright scripts.

• SAP ERP/ECC, SAP S/4 Hana
• Analysis and documentation of SAP FI/CO, PSM, PSCD customizing
• Analysis, consulting and documentation of S/4 Hana apps for defining and executing statutory reports
• Clarification of the prerequisites for using S/4 Hana apps to define and execute statutory reports
• Analysis and documentation of customizing for in-house developments
• Consulting on the integration of SAP FI/CO as well as PSM, PSM-FM (Funds Management), Contract Accounts Receivable and Payable (PSCD)
• Consulting and documentation of customizing adjustments in SAP FI/CO, PSM, PSM-FM, PSCD when introducing new company codes and other organizational structures
• Consulting and documentation of necessary process adjustments

• Sourcing of contractors, temp labour and direct-search suppliers
• Advisor to procurement & HR in change project

• Create the blue prints
• Customizing Asset Management
• Support the EAM data migration
• Create the TSD for developments
• Modules: SAP S/4 HANA Asset Management

• Support in fit-gap analysis for three RM-CA systems focusing on sub-ledger reconciliation, dunning, and collections processes.
• Stakeholder management in international teams (business colleagues, IT colleagues, and external partners).
• Escalation and risk management (PM).
• Cost and budget calculation (PM).
• Support in shaping the strategic direction of the global collections system.
• Resolving technical challenges for the central collections system (multi-company operation).
• High-level design of the central AR system with focus on scalability and process harmonization.

• Agile transformation of the entire executive board division for battery development using SAFe.
• Set up 5 Agile Release Trains and an agile portfolio.
• Prepared the shift from a functional to a process-based organization.
• Managed a scope of 400+ people across Germany, Europe and China.
• Applied tailored SAFe methods.
• Stakeholder management as well as consulting, training and coaching of leadership (product management, release train engineers, system architects).
• Built a portfolio with budgets from around €150 million up to over €1 billion.
• Trained junior colleagues at Big4 consulting firms.
• Introduced PI plannings, quality metrics and team training.

• Further development and optimization of the PIM system (e.g. data modeling, interfaces, user experience)
• Analysis, structuring, and professional evaluation of business requirements in close coordination with business units and stakeholders
• Translating business requirements into functional and technical concepts (business & solution design)
• Designing and further developing the target PIM architecture including data models, object structures, versioning, and lifecycle concepts
• Defining interfaces, integration concepts, and data flows between PIM, eCommerce, ERP, and other systems
• Quality assurance in close collaboration with business units and the development team
• Effort estimations for analysis, design, and testing activities
• Agile, Scrum, 4APortal, SAP ERP, SAP eCommerce (Hybris)

• Interim management in commercial positions
• Project management in the commercial area
• Restructuring consulting for FTI Andersch AG
• Project in Vienna for Cash Remediation, establishment of a Group Treasury, cash reporting and segment restructuring (VAMED AG)
• Support in the handling and liquidation of the Kiel Group for insolvency administrator Dr. Jörg Gollnick (HWD, Cologne), preparation of financial statements for the tax office and provision of data and analyses for the winding-up and court proceedings

• Manual for the new cost center structure in SAP and the new posting procedures
• Plant controlling, operating cost sheets, and inventory valuation
• Rate determination in Excel for SAP
• Preparation of product calculations