Oracle Data Integrator Experts in Germany

PROFILE Senior Oracle specialist, consultant and DBA with many years of experience in planning, architecture, installation, migration, operations, performance tuning and troubleshooting of large Oracle database environments. Focus on Oracle Database 19c and enterprise architectures with RAC, Active Data Guard, Golden Gate, Exadata, RMAN and CDB/PDB. Experience in heterogeneous enterprise environments on Linux, AIX, Solaris, HP-UX and Windows, as well as in cloud and migration projects. Over many years, worked as a technical consultant, DBA, architect and project manager for banks, insurers, energy providers, public institutions, industry, automotive and aviation. Combining technical Oracle expertise with operations concepts, migration, project planning, documentation and customer consulting.

ORACLE FOCUS AREAS

• Oracle Database 19c – installation, upgrade, patch/RU management, operations and troubleshooting
• Oracle Database 21c / 23ai / 26ai – knowledge of current Oracle release lines
• Oracle RAC, Active Data Guard, Data Guard, Oracle GoldenGate
• CDB / PDB, multitenant architectures and enterprise database operations
• Oracle Exadata and highly available database environments
• RMAN – backup, restore, recovery, migration and disaster recovery scenarios
• Data Pump (EXPDP / IMPDP), Transportable Tablespaces (TTS) and database-based migrations
• Performance analysis, SQL / PL/SQL, tuning, troubleshooting and capacity planning
• Oracle Enterprise Manager / monitoring and technical operational support
• Oracle Security: Wallet, TDE, Database Vault, VPD / RLS
• Oracle DWH / BI: OBIEE, ODI, OWB and Discoverer
• Oracle Applications / E-Business Suite and Oracle-based application environments

CURRENT PROJECTS

Scope Solutions AG, Basel / CH | 08/2023 – ongoing Oracle Project Management and DBA

• Installation, maintenance and regular upgrades of Oracle database systems with a focus on Oracle 19c.
• Patch and release management including OPatch and Release Updates; operations on RHEL 8.x, SLES 15.x and Windows.
• DBA support for customers in DACH and Europe and support of production, load test and other CDB/PDB environments.
• Technical operating processes and documentation via Confluence; support and service requests via My Oracle Support / Metalink.

Federal Employment Agency, Nuremberg | 04/2022 – 10/2023 Oracle Operations Support / DBA

• Operations and regular upgrades of Oracle-19c database systems on SLES 15.x.
• DBA for around 2,100 PDBs on RAC and Exadata in production, integration, load test and other environments.
• Configuration management via ARS Remedy; workflows and technical documentation via Jira and Confluence.
• Operations support and processing of service requests via My Oracle Support / Metalink.

Federal Statistical Office, Wiesbaden | 09/2021 – 03/2022 Oracle Operations and Architecture – 2022 Survey

• Merging data into a central Oracle-19c database system.
• Design of import/export procedures for the central data structure.
• KPI and performance architecture for analyses.
• Training employees in Oracle performance and DBA topics.

E.ON Digital Technology, Landshut / KKI | 03/2019 – 12/2021 Oracle Operations, Architecture and DBA

• Patch concepts, technical documentation, installation, database administration and operations of Oracle 12c/19c.
• AIX 7.x, LPAR administration including VIO server and software distribution with NIM.
• Performance monitoring and monitoring.
• Backup and restore with TSM / IBM Spectrum Protect and Oracle RMAN.
• Installation of Enterprise Manager 13c with WebLogic Server 12.1x; employee training.

KaPe Munich – various end customers in DACH / Europe | ongoing / various projects Oracle DBA, architecture, migration, DWH consulting and project management

• Many years of consulting and operational DBA work in various Oracle architectures.
• DWH/CRM platforms: planning, analysis, performance and tuning, as well as business analysis.
• RAC, Data Guard, Transportable Tablespaces, RMAN and Oracle 11g/12c in enterprise environments.
• Customer projects including Burda, Deka, E.ON, Otto Group and Augsburger Allgemeine.

AXA, Germany / Europe | 09/2018 – 02/2019 Oracle DB Operations and Migration – Cloud Architectures

• Planning, methodology and execution of Oracle database migrations to IBM Private Cloud / Spectrum and AWS Public Cloud.
• Creation of Oracle databases in the cloud with SLES and Terraform templates.
• Technical architecture work and cloud KPIs.

RWE / SÜWAG / Syna, Germany | 07/2016 – 09/2018 Oracle DB Migrations 11g/12c and Project Management

• Design, planning and execution of Oracle database migrations 11g → 12c with platform and architecture changes.
• Windows Server 2012/2016 and setup and migration of Enterprise Manager/WebLogic-based monitoring environments.
• Use of Data Guard, TTS, EXPDP/IMPDP and RMAN based on analysis of application requirements.
• Performance and tuning for Oracle 11g/12c.

MTU Aero Engines, Munich | 01/2016 – 03/2017 Oracle DBA / Requirements Engineer

• Operations and development of Oracle 11g/12c databases and application workflows.
• Interfaces to SAP via BAPI.
• Design and management of APPS modules with Visual Basic / Visual Studio and PL/SQL; version control with SVN.

UBIS (HVB), Munich | 04/2012 – 08/2015 Oracle Operations, Architecture, DBA and Project Management

• Oracle-based operations and migration of MUREX and Sophis trading platforms.
• Oracle Security, Wallet, Tablespaces, RAC, Data Guard, Database Vault, GoldenGate and DWH.
• Project management for Oracle DWH migrations and release changes from 10g to 11gR2.
• Migration OWB 11gR2 → ODI 12c and introduction of Oracle Database 12c.
• Platforms: Red Hat, AIX and Solaris.

WWK Deutschland a.G., Munich | 09/2010 – 03/2012 Oracle DB and HP-UX → Linux Migration

• Architecture, planning, operations concept and migration of 104 databases from an HP-UX cluster to Red Hat Linux.
• Single Instance with Veritas Cluster and 2-node RAC 11.2.0.2; four Data Guard databases.
• Project management for OWB/DWH migrations (>1 TB), including tuning, PL/SQL, mappings and metadata.

Allianz Deutschland, ACAS Stuttgart | 03/2010 – 09/2010 Technical DWH Project Manager

• DWH project for processing European ETL data sources.
• Business analysis and requirements management for automated loading processes.
• OWB, PL/SQL, SQL*Loader, Oracle Advanced Security / TDE, Oracle BI and Database Vault.

NETMA, Munich-Taufkirchen | 08/2007 – 02/2010 Oracle Specialist and DBA for Oracle Applications 11i

• Operations of Oracle 9i/10g and Oracle Applications 11.5.10.
• Design and development of APPS modules with PL/SQL and SVN.
• Oracle RAC, Enterprise Manager, Oracle Application Server and migration tests.
• Platforms: AIX, SLES, Windows and HP-UX.

BT Germany, Munich | 11/2007 – 04/2008 Oracle DB Migration

• Migration from Oracle 8i to 10gR2 in a Solaris cluster environment.
• Preparing offers, project planning and process planning.

Itellium (KQ), Nuremberg | 02/2007 – 08/2007 Oracle DWH Specialist

• Design and analysis of a DWH focusing on master data and logistics.
• Oracle Designer, OWB, Oracle Database, ETL, PL/SQL and External Tables; data volumes up to approx. 5 TB.

Oracle Deutschland GmbH, Munich | 10/2006 – 02/2007 and further assignments Oracle Specialist / Consultant – Data Migration and DWH

• Consulting for customers such as Volkswagen, GE Money Bank, WeKa, KSB, Swisscom and British Telecom.
• Migration Discoverer EUL4 → EUL5i, database optimization, Data Guard and web/database analysis.
• Performance and tuning on Solaris and Linux.

HaSpa, Hamburg | 07/2006 – 10/2006 Oracle Specialist / Consultant – Data Migration and DWH

• Setup of an Oracle-10gR2 environment for banking applications.
• Data transfer from DB2 / OS390, architecture, sizing, tuning and performance.
• Data preparation and integration with OWB.

AUDI, Ingolstadt | 02/2005 – 06/2006 Oracle Consultant and DBA

• Operations, installation and maintenance of Oracle 9i/10g and IAS 10g.
• RMAN, Oracle RLS, Oracle HTMLDB, Veritas Cluster, Solaris and AIX / HACMP.
• Database cloning and migration 9i → 10g; approx. 200 systems up to 4.5 TB.

Photocolor, Kreuzlingen / CH | 11/2003 – 01/2005 Project Manager / Oracle

• Implementation, configuration, technical support and acceptance of an Oracle ERP/CRM solution.
• Oracle Applications, Oracle 9i, Solaris, HP-UX, OWB and Mercury TestDirector.
• Project scope approx. 2 TB; reporting to management.

ZPD NRW, Duisburg | 05/2003 – 10/2003 Oracle Consultant

• Consulting, PL/SQL training and project planning for a nationwide Oracle Forms integration.
• Oracle on HP Superdome / HP-UX; data volume 1.2 → 2.5 TB, sizing up to 5 TB.

Messe München GmbH | 11/2002 – 05/2003 Project Manager / Oracle

• MIS/DWH solution with OWB, Discoverer, Oracle 11i / 9i and RAC.
• Architecture, design, integration, troubleshooting and consulting for data volumes of 1.5–2 TB.

Aria SA Integration, Geneva / CH | 09/2002 – 11/2002 Oracle DBA and Consultant

• Oracle 8.1.7.4 / 9i; merging the Stuttgart and Geneva databases via replication.

• Data-analysis, Preparation, gathering and coordination of business requirements for retrieval of monthly- and long term (CLV – relevant) cost- and revenue-components per contract for a customer–base–grouping project (HUB–Project) for B2C-Postpaid-Controlling
• Concept and Implementation of cost- and revenue-KPIs calculation and corresponding CLV–reports (Oracle, Perl, SVN, MS SQL Server, MS Power BI, Serviceware Performance Analytics)
• Operational support of the HUB-Project – various ad-hoc reports, deployments, job-scheduling etc. (Oracle, SVN, BICSuite–Scheduler, DWSODA etc.)
• Analysis, implementation, retrieval and reporting of various physical and financial KPIs for B2P-Prepaid Business on an existing data-mart (Oracle, Perl)

• Lead enterprise architecture, data and AI strategy initiatives across business domains, value streams, SAP, cloud, integration, process intelligence and governance, aligning transformation roadmaps with strategic business outcomes.
• Define enterprise data and knowledge strategy across business domains and enterprise taxonomy, including knowledge graph, data governance with focus on ownership, metadata frameworks, business glossaries, data product orientation, interoperability and AI-enabling architecture.
• Shape AI governance and decision-intelligence strategy using autonomous enterprise concepts, including policies, guardrails, reference architectures and knowledge-based patterns for responsible AI adoption and enterprise knowledge reuse.
• Support SAP S/4HANA cloud migration strategy and evaluate the future SAP ecosystem, including SAP BTP, Integration Suite, Business Data Cloud, SAP Analytics Cloud and Datasphere.
• Drive architecture debt management, portfolio transparency and application rationalization through architecture principles, governance models, decision frameworks and LeanIX-based Enterprise Architecture Management.
• Align business architecture and process intelligence using Signavio to connect value chains, capabilities, processes, data strategy, knowledge flows and transformation roadmaps.
• Define operating models for data governance, architecture governance, cloud, integration, API management, AI governance and knowledge sharing.
• Act as trusted advisor to executive stakeholders and business domain leaders across product, sales, finance, logistics, customer care and shared services.

• Developed and implemented organization-wide discovery framework based on Ulwick’s Outcome-Driven Innovation; enabled 7 Product Owners to systematically identify and quantify unrealized value through shared outcome language and opportunity scoring methodology
• Transformed Product Owner role from backlog clerks to strategic experimenters; established dedicated time budget for autonomous hypothesis testing and discovery activities
• Rebuilt customer journey maps to start at actual user need (tool selection phase) instead of platform entry point; eliminated manual data aggregation work previously done by project teams
• Implemented OKR framework across 4 product teams; defined quarterly objectives with measurable key results (e.g., 40% reduction in manual integration effort, self-service adoption increase)
• Unified 3 separate platform roadmaps through cross-team dependency mapping and shared service agreements
• Supported enterprise sales cycle with ROI modeling and technical due diligence for automotive and defense customers

• DBA Exasolution Server consulting and migration to version 8
• Analysis of SQL query performance and tuning
• Troubleshooting in batch scripts
• Technologies: Gitlab, EXACloud, EXAOperation, DBeaver, Control M

• Integrating system architecture, business analysis, requirements engineering, and process consulting
• Managing business unit needs toward IT and implementation
• Capturing requirements in JIRA and breaking them down into epics
• Overseeing internal projects and programs, including stakeholder management and reporting
• Handling requirements from traditional IT developments to IoT integrations and SAP subsystem replacements
• Implementing current legal regulations (MAKO, EnWG, EEG, GWG, StromGVV, GasGVV, StromNEV, GasNEV)
• Applying agile methods (Agile, SAFe, ITIL, Scrum, Kanban, DDD, IaC, CI/CD, DevOps, automation, ETL, OOA, OOD, MDA, BPMN, BPM, UML, marketing automation, data science, ML, AI, GenAI, LLMs)
• Using tools like JIRA, SharePoint, MS Office, MS Project, MS Dyn CRM, VMware ESX/ESXi, BSI IT-Grundschutz, BSI C5, NIST, MS Azure, Typo3, mail automation, Docker, Kubernetes, OpenStack, OpenShift, Terraform, Ansible, SQL, REST, SOAP, Git, GitLab, LoRaWAN, SAP IS-U, S/4HANA, USU, KUGU, AbSys, sensors, MQTT

• Maintenance and enhancement of a Siebel CRM Service & Marketing implementation (Siebel 23.1, OpenText, OBIEE, Informatica).

• Led data engineering and machine learning efforts for large-scale Knowledge Graph creation of WorldKG
• Developed pipelines for heterogeneous data integration (OpenStreetMap, Wikidata, DBpedia) using Python and SQL
• Designed neural architectures (Transformers, adversarial networks) for schema and entity alignment
• Created scalable ETL workflows to harmonize structured and unstructured geographic information
• Applied semantic modeling and SPARQL-based querying for data fusion and governance
• Mentored master’s students on AI, spatiotemporal data, and Knowledge Graph topics, fostering practical experimentation and innovation

• Database administration and performance tuning for Oracle databases on AIX 7.1, 7.2 with Oracle 12c and 19c
• Troubleshooting and resolution on RHEL 7
• Automation of operations with UNIX/Linux shell scripts, Perl programs, and PL/SQL
• Planning, preparation, execution, and customer-specific review of changes and upgrades for the LEASMAN and DOXIS applications
• Incident handling including communication with outsourcing service providers and business units
• Data exchange with Data Pump
• Visualization of database content and monitoring results
• Configuration of databases for Debezium and monitoring Debezium activities
• Preparation of Oracle databases for migration to cloud environments
• Implementation and monitoring of NIST requirements in databases
• Automation of release upgrades for the LEASMAN application
• Creation of operations manuals and instructions
• Generation of reports for GDPR information requests

• Requirements analysis
• Source data analysis
• Development of ETL pipelines
• Data modeling of the staging, core and mart layers
• Calculation of key performance indicators (KPIs) at the mart layer
• Methods used: Agile, Data Vault 2.0
• Technologies used: Oracle 19, ODI, PL/SQL, Kafka, Python, PowerDesigner, SAP-BO, Git, Jira, Confluence