Freelancer (SAP and AI)

• Technical consulting
• Consulting and concept development for SAP architecture, SAP cut-over strategies, sizing the SAP landscape, calculating operating costs and server hardware (On-Prem and Hyperscalers)
• Providing consulting and solution proposals for both new and existing customer segments
• Ad hoc customer trips across Europe with the full SAP team for direct solution proposals, marketing, and presentations of the recommended SAP architecture
• Planning and conducting customer workshops to introduce SAP S/4 HANA at the management/CIO level
• Developing product-related sales and marketing initiatives in collaboration with specialist teams
• Taking part in SAP customer tenders
• Technologies used: SAP R/3, SAP S/4, SAP Business on HANA, SAP BTP, SAP BW on HANA, SAP RISE on Public Cloud, SAP Rise on Private Cloud, SAP BW on HANA, AWS, Microsoft Azure, SAP Basis, SAP Business Suite on Hana

• Leading teams in the implementation of SAP solutions and Gen AI technologies in missicon-critical projects for digitalization and process optimization
• Managing SAP S/4 Migrations (On-Prem, SAP Cloud)
• Developing and implementing comprehensive strategies for integrating SAP systems and Generative AI tools to address critical business challenges and generate competitive advantages
• Providing deep expertise in SAP and GenAI platforms, consulting on the selection, customization and implementation of technology solutions for clients

• Project management of all migration activities for the new IT infrastructure (SAP, storage, servers, etc.) = total of 50 instances.
• Workshop management for requirements analysis, IT infrastructure design including cloud environment, load testing, coordination meetings, status reports on cut-over activities
• Technical design of the migration path with all involved departments, escalation meetings
• Lead in the migration
• Technologies used: SAP, SAP Public Cloud, WSUS, Microsoft Exchange Server, Dell Storage Fabrics, AWS Object Storage, Microsoft Azure Cloud Computing

• Technical and budgetary planning of a lift-and-shift migration (existing on-prem customer SAP landscape to the IBM Private Cloud) and a simultaneous move to S/4 architectures. 60 SAP instances.
• Managed a 5-person team and various external teams
• Goal setting and prioritization by SAP systems and core processes
• Identified a cut-over strategy and created a detailed cut-over plan including responsibility matrix, required resources and schedule, including conducting workshops (workshops, coordination meetings)
• Coordinated all cut-over activities including communication with all stakeholders (status reports, escalation meetings)
• Handover to the operations team including preparation of all necessary documentation
• Technologies used: SAP R3, SAP Suite on HANA, SAP Rise on Private Cloud, SAP S/4HANA, SAP HANA (1.0/2.0), SAP Basis, SAP Data Services, SAP Process Orchestration, HDB Sizing, SAP BTP, SAP SWPM, IBM DB6, SAP MaxDB, SAP Netweaver, SAP BO, SAP ERP, SAP BW, SAP CRM, SAP Router, SAP Solman, SAP STMS, SAP Ariba, SAP Migration Cockpit, SAP EHP Upgrade, IBM Maximo, IBM Power8, Dell Poweredge, ITIL v4, Kanban Board, IBM Storage Protect, IBM Cloud Backup, IBM Tivoli Storage Manager, Nagios

• Migrated two heterogeneous SAP landscapes (a total of 45 SAP systems) through acquisition into a high-availability environment.
• Developed a cut-over strategy
• Planned all migration and cut-over activities
• Technical design of the data migration and upgrade paths for all SAP instances and databases into a new data center.
• Risk management through constant communication with stakeholders, problem solving through escalation meetings
• Onboarding and handover to the responsible operations team (preparation of necessary documentation)
• Technologies used: IBM AIX, Windows Server, SAP BASIS, SAP Netweaver, SAP R3, SAP S/4HANA, SAP HANA (1.0, 2.0), SAP BTP, SAP Cloud Platform, SAP Solution Manager, SAP Netweaver, IBM Maximo, Nagios, IBM TSM, ITIL v4, IBM Storage Protect, Red Hat OpenShift, AWS Cloud Object Storage, IBM Private Cloud, SD-WAN, VPN, SAP SWPSM

• Technical lead for SAP projects & migration (especially ERP, CRM, BW and Fiori systems) managing agile near-shore delivery SAP team
• Project management of SAP (Cut-Over, Migration, System introduction) including technology change management
• Consultant in the area of infrastructure services as well as architecture (IaaS) for various industry leading clients
• Focal for automatization projects especially regarding SAP S4/HANA IaaS tasks
• IT solutioning of SAP projects (pre-sales & pricing)

As SAP Solution Architect DACH (01/2019 – 06/2020):

• Leading a 5-person team, technical/financial design of the SAP architecture including integration of SAP BTP with outsourcing of SAP application servers in hyperscaler environments including cut-over methodology.
• Technical and financial design of custom SAP infrastructure solutions across the entire IT architecture for both existing and new customers.
• Design and architecture of various system solutions with a special focus on:
• Designing SAP S/4 cloud infrastructure solutions through workshops
• Designing SAP projects for system modernization, implementation of the latest technologies and efficiency improvements in operations (S/4, HANA 2.0, SAP BTP, creating migration/cut-over plans)
• Creating cut-over plans for the SAP project teams
• Key Technologies: SAP R3, SAP S/4HANA, SAP HANA (1.0/2.0), SAP Data Services, SAP Process Orchestration, HDB Sizing, SAP BTP, SAP SWPM, IBM DB6, SAP MaxDB, SAP Netweaver, SAP Ariba, SAP Fiori, SAP PI, SAP SCI, SAP Gateway, SAP BO, SAP ERP, SAP BW, SAP SuccessFactors, SAP HCM, SAP CRM, SAP Basis, SAP Router, SAP Solman, SAP STMS, SAP Migration Cockpit, SAP SuccessFactors, SAP EHP Upgrade, IBM Maximo, IBM Power8, Dell Poweredge, ITIL v4, Kanban Board, IBM Storage Protect, IBM Cloud Backup, IBM Tivoli Storage Manager, Nagios, SD-WAN, VPN

Internal project as SAP Technology Consultant (07/2016 – 11/2016):

• Development of software for the automatic installation of SAP HANA databases on IBM servers.
• Requirements analysis and feasibility study
• Implementation of a custom Java solution using SALT software in the IBM data center
• Key Technologies: IBM AIX, Windows Server, SAP BASIS, SAP Netweaver, SAP R3, SAP S/4HANA, SAP HANA (1.0, 2.0), SAP BTP, SAP Cloud Platform, SAP Solution Manager, SAP Netweaver, IBM Maximo, Nagios, IBM TSM, ITIL v4, IBM Storage Protect, RedHat OpenShift, SAP TMS, SAP SWPM, SAP Unicode Conversion, AWS Cloud Object Storage, IBM Private Cloud, SD-WAN, VPN, SALT, IBM AIX, Windows Server, ABAP, Java

As SAP Basis Consultant for Public Services, Semi-Conductor, Pharma clients (12/2014 – 12/2015):

• Operation and optimization of SAP ERP, BW, Fiori, Solution Manager, and BO systems with technical focuses on:
• Administration of system landscapes including various databases (DB6, Oracle, MaxDB, SQL) and underlying OS Windows/AIX/SUSE
• Management of change requests and, if needed, coordination with external consultants.
• Administration of monitoring, backups and redundant synchronization
• Design and execution of EHP6 upgrades, system copies, Unicode conversions, database upgrades, and SPS stack installations
• Performing performance analyses and optimizing where needed
• Key Technologies: IBM AIX, Windows Server, SAP BASIS, SAP Netweaver, SAP R3, SAP S/4HANA, SAP HANA (1.0, 2.0), SAP BTP, SAP Cloud Platform, SAP Solution Manager, SAP TMS, SAP Netweaver, IBM Maximo, Nagios, IBM TSM, ITIL v4, IBM Storage Protect, RedHat OpenShift, AWS Cloud Object Storage, IBM Private Cloud, SD-WAN, VPN, SALT, IBM AIX, Windows Server