SAP Integration Suite Experts in Germany

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.

• Implementation of data models in BW/4HANA, ABAP CDS Views, HANA Calculation Views, AMDP Scripts, OData Services, object-oriented ABAP in BW, SAC.
• Adjustments in BPC for BW/4HANA.

• Introduction of a new payment term including its description, as well as a new shipping condition
• Configuration of item category determination (Item Category Determination)
• Implementation of the minimum price calculation (Floor Price) in the pricing procedure
• Setup of the intercompany third-party transaction (direct delivery) and addition of the direct delivery indicator to the invoice
• Prevention of delivery splits (Delivery Split) in sales orders
• Masking of the expiration date and net weight fields
• Transfer of the sales group from the quotation to the sales order
• Analysis and resolution of a pop-up appearing when creating sales orders
• Analysis and resolution of order confirmations that were created and sent with €0.00 per item

Interim Lead ITSM Transformation

Industry: Retail & Industry – Optics (partly critical infrastructure)

Mandate: Transition of ITSM governance to the product- and capability-oriented governance model already established across the Group, as well as acceleration and partial automation of service volumes through optimized entry channels. Design and system-based implementation of an ITSM target operating model.

• ITSM target process design based on the capability owner model: target processes and ownership for Incident, Service Request, Problem, Change Enablement, CMDB, Service Level, Supplier and Knowledge Management, derived from the Group-wide target operating model
• AI-supported Enterprise Service Management: Reorganization of currently mixed requests into a structured, cross-functional service model including a new self-service portal. AI-supported classification and automation considered in the architecture model
• Migration & Cloud Architecture: Planning and management of the end-to-end migration, coordination of cutover management and go-live support; ensuring productive stability during the hypercare phase. Consideration of a multi-source CMDB (~500,000 assets), connection of go-live-critical field service and vendor interfaces
• Scaling & Blueprint: Central instance for headquarters and production, designed as a blueprint for additional international retail and production sites
• Delivery and Stakeholder Management: End-to-end management from target vision to go-live with regard to time, budget & quality. Building consensus and balancing interests between independently managed IT units up to CIO level

• 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.

• Executed post-carve-out stabilization, system consolidation and cybersecurity uplift. Re-assessed system landscape and assets and designed new IT strategy for future. Implemented new IT operating model focusing on product-centric organization and re-internalization of critical resources.
• Successfully designed new IT operating model of the company, based on massive reduction of external dependencies, insourcing of key positions and upskilling of employees.
• Massive reduction of IT cost in the first three years (-40m$), bringing IT spend level below Gartner industry benchmark (1.27%).
• Introduced new product-centric organization based on fusion teams between business and IT across the company.
• Administered implementation of corporate-wide IT/OT cybersecurity program with more than 60 projects.
• Continuous improvement of enterprise IT/OT cybersecurity maturity level with significant increase in the first two years (CMMI >3.5, C2M2 >2.5).
• Governed successful implementation of the business transformation program within IT area by overachieving the savings target by $8m.
• Initiated and created new cloud-based data management platform based on best-in-class technology.
• Implemented first company-wide Microsoft Copilot AI program based on various business cases, leveraging GenAI and AgenticAI.

• Enterprise and IT strategy
• Digital transformation
• Process and portfolio management
• Interim IT management

• Incident Management
• User management: creating, maintaining, and deactivating users as well as maintaining roles
• Updates and upgrades: planning and executing updates and upgrades
• Operations: performance analysis, daily monitoring, and applying SNotes
• Job management: creating, maintaining, and monitoring jobs
• Training of employees
• Development and extension of reports
• Development and extension of universes
• Technologies: SAP BusinessObjects (SAP BO 4.3), Oracle SQL Developer, SAP Information Design Tool, Octane
• Methods: Scrum

• Part-time 2-3 days/week
• Developments in the SD module and CRM Interaction Center
• Consulting, customizing in SD module
• Adapting Fiori applications in the SD module
• Approval workflow for credit memos: design, concept, implementation, customizing
• Credit memo request: object type BUS 2094
• If the credit memo request value is below a certain threshold -> automatic release and removal of billing block
• If the credit memo request value is above a certain threshold -> automatic determination of the responsible employee
• The employee receives a work item in their integrated inbox or in My Inbox (Fiori) -> the employee can reject, approve, or edit the credit memo request
• UML modeling in technical documentation
• Creating a Z-table for customer sample line items
• Merging COA1 (delivery) + COA2 (CAQ) forms and adding to the spool request as a single PDF
• Correcting workflow title according to NACE, fixing message "ZBMA title is displayed incorrectly in SBWP (Workplace)"
• Receiving PLM documents from an external PLM system, creating an RFC function module, storing PLM documents in the material master as GOS objects
• On releasing a production order, reading PLM documents from MM and saving them in a shared folder for the MES system
• Displaying the number of inspection methods in a popup when creating an order -> VA01/VA02
• Automatic stock reconciliation LVS IDOC INVCON
• Performing AQUA tests
• IDOC archiving for old IDOCs
• NL_PM_drawings and storing print output, informing MES via ZPPORDER IDOC, writing technical documents
• Using SD user exits, BADIs for various requirements
• Extending screens for customer requests via screen exits
• Creating message types for sales orders, purchase orders, and invoices
• Extending CRM Interaction Center Business Partner -> Overview -> Contract with customer-specific requirements
• New Fiori application departure control with data from Z-table and standard equipment tables, displaying a pie chart, calculating "vehicles in operation"
• Extending Interaction Center Business Partner -> Overview -> new tab on Overview Page with list tables for performance feedback, attachments from GOS objects
• Extending Interaction Center Business Partner -> Overview -> new tab on Overview Page with list tables for PM quality notifications, attachments from GOS objects
• Implementing BADIs in CRM
• File storage on SAP server/UNIX server
• Using BOL/GENIL architecture in CRM development
• Project language: German

• Architecture of SAP landscapes
• Business consulting in the SAP PI/ PO/ CPI/ API Management environment
• Basis administration
• Analysis, planning, implementation and maintenance of interfaces
• EDI connection of customers, suppliers and freight forwarders
• Development of eBusiness solutions
• Project management in the SAP PI/ PO/ CPI environment
• Data transfer from third-party systems
• Service management / vendor coordination
• Team leadership
• Third-level support for SAP PI/ PO/ CPI
• SAP interfaces SOAP, REST, JDBC, OData, IDOC, SFTP

• Preparing and conducting workshops for Salesforce Marketing Cloud and Salesforce Sales Cloud
• Training key users in standard Salesforce capabilities for Sales Cloud & Marketing Cloud, customization capabilities, live demos, including hands-on exercises
• Tools / languages: Marketing Cloud, Sales Cloud

• Project assignment ended early, further continuation only with own staff.
• Support for payroll Germany, including customizing and program analysis.
• Development of ABAP programs, ABAP OO classes and methods.
• Definition of wage types, attendances and absences, daily programs and shift schedules.
• Adjustment of schemas and rules for payroll Germany.
• SAP HCM 3rd level support according to change requests and incidents.
• Work as a freelancer, part-time, remote.
• Technologies used: SAP R/3 HR Rel. ECC 6.0, PA, PT, PY.

• Salesforce freelancer with focus on the Salesforce core clouds (sales, service, and experience)
• Creating Salesforce solution designs and implementing custom solutions (Salesforce development) – experienced in Salesforce Apex and integration technologies (integration of third-party apps with Salesforce)
• Performing Salesforce deployment activities
• Salesforce greenfield implementations and data migrations from legacy CRM systems (with the use of ETL-tools)
• Conducting Salesforce org health checks - maintaining, improving and automating Salesforce implementations and processes
• Designing and implementation of sharing & visibility concepts

• Coordination and monitoring of required tasks and resources
• Coordination and ensuring the flow of information between involved departments
• Windows 10/11
• Time management and project control
• Integration of S/4HANA solutions in collaboration with business units
• Microsoft Project
• Confluence
• Jira
• Microsoft Office
• Microsoft Planner
• Responsible expert for client management environment services and patch management
• Coordination of interfaces and integration with existing systems
• Enable and enforce multi-factor authentication (MFA)
• Ensuring data migration and quality during the S/4HANA implementation
• Creation of a project structure plan
• Optimization of the design and implementation of service and client management processes
• Azure AD
• Project management & risk management
• Regular updates and drafting of decision documents for decision-makers
• Set up of an additional Linux-based infrastructure for administrative purposes
• Advising program management on transformation and migration projects
• PowerShell scripting
• Enhancement, maintenance and troubleshooting of the existing ERP application
• Synchronization with on-premises directories (Azure AD Connect)
• Conducting concept development and planning
• Procurement, integration, and deployment of MacBooks
• Autopilot
• Integration of systems into a client management system (Intune), Microsoft Defender, and Azure AD
• Implementation of single sign-on for mobile devices & PCs
• Migration from Active Directory to MS Intune
• Implementation and integration of SAP S/4HANA solutions
• Software packaging (MSI)
• Mobile device management with MS Intune and Mobile Iron
• Management of servers and services using Ansible
• MIM (Microsoft Identity Manager)
• Identity and permission management
• Access management