Senior SAP Basis & HANA Migration Specialist | SAP Basis/PO/Solution Manager | Sichere & stabile SAP-Systemlandschaften

7/2021 – 6/2025

Migration von Oracle auf HANA: ERP, CRM, PO
Convergent Charing (Hybris): Migration auf HANA mit SDA (Smart Data Access)
Migration auf HANA und GCP für ABAP- und JAVA-Systeme
Sicherung der Systeme (HTTPS, Zertifikate, SSL)

Hybris, SAP Basis Administration (BC), SAP HANA, Systemmigration

9/2019 – 6/2021

Solution Manager: Migration der Monitoring and Alerting Infrastructure von lokal zu global System. Koordination mit dem Team vor Ort, Gruppe verantwortlich für das globale System und externe Unternehmen, das für die Überwachung verantwortlich ist.
Generell: Unterstützung lokaler Geschäftsteams bei allen technischen Aufgaben. Aktualisierung der HR Komponente (LCP, Sync) in SAP und Koordination mit anderen Parteien. SSL-Implementierung für einen Teil der das Unternehmen. Unterstützung nach Systemkopien. Lösung von Problemen basierend auf dem Ticket-System. Java Portal-Aktualisierungen. Netweaver Updates.
Technische Vorbereitung der S/4HANA-Konvertierung durch DVM- und ATC-Implementierung durchführen.

IT-Rahmenplanung, SAP Basis Administration (BC), SAP Berechtigung / User Verwaltung, SAP NetWeaver, SAP Sicherheit (allg.), Sap Solution Manager

12/2011 – 6/2019

General SAP skills for ABAP and JAVA stacks (also in High-Availability environment) for products based on Netweaver:
- Installation from scratch
- System copy and system refresh
- Technical configuration for different purposes
- Upgrades and updates: planning, downloading, executing
- Maintenance and support for daily tasks like monitoring,
- Administration: client administration, application of the notes, TMS configuration, BR tools operations
- Kernel activities: preparation, switch and further updates
- SAP profiles: preparation, implementation and tuning

Convergent Charging (SAP Hybris)
- Installation, changing instance's number
- Technical configuration and preparing CC tools (including secure communication) for business users
- Securing end-to-end for communication with ERP and CRM

SAP Solution Manager
- Upgrade (7.01 to 7.1 and 7.2), updates, configuration, maintenance and continuous improvement.
- Monitoring and Alerting Infrastructure implementation:
-- Diagnostics Agents: concept, installation, configuration, troubleshooting, further development and maintenance, secure communication with Solution Manager
-- Hostagents: concept, installation, update automatisation, maintenance,
-- connecting systems to SLD (set up of Data Suppliers, sldreg), synchronisation and problem solving in LMDB,
-- configuring external SAP systems like Netweaver, CC and Hana (Managed System Configuration)
-- configuration of Technical Monitoring and PI Monitoring
-- integration of Wily Enterprise Manager (also Introscope on managed systems), planning updates/upgrades (9.1 to 10.5), securing communication.

SLD (System Landscape Directory)
- Planning and constantly reviewing architecture
- Connecting backend SAP systems
-- automatic SLD update concept for local SLDs
-- maintenance and troubleshooting
- Regular updates of cim and CR content
-- updating each local SLD as 3-tier landscape

SAP PI/PO
- Installation, configuration and updates before go-live
- Configuring the PI system for message exchange
- Securing channels and PI
- E2E (End-To-End): analysing and solving problems

SAP Security: basic knowledge in certificates, securing communication End-To-End (TLS), troubleshooting
System administration: Linux (basic knowledge)
Database administration: Oracle (basic knowledge)
Basic skills in programming: PL/SQL, linux shell scripting
SAP Additional skills: performance optimisation

SAP Basis Administration (BC), SAP PI, SAP Product Lifecycle Management, Oracle Rac, SAP Beratung (allg.), SAP NetWeaver, SAP Sicherheit (allg.), Sap Solution Manager