Oracle Exadata Experts in Germany

NTT Data Center Replacement – €20m

• Strategy & Requirements: Data Center migration and exit strategy for ING Germany, including definition of project scope, objectives, KPIs and comprehensive requirements across cybersecurity, physical security, regulatory and group-wide strategic standards.
• Regulatory & Risk Governance: Regulatory and supervisory requirements, risk assessments, ECB notification and audit-ready documentation, achieving formal sign-off with no material findings.
• Procurement & Vendor Selection: RFP and selection of Data Center providers, migration specialists and secure transportation partners in cooperation with Procurement and in line with ING Group requirements.
• Commercial & Contractual: Complex contract negotiations with selected providers, coordinating Legal, Procurement, Business, Security, Compliance (incl. DORA) and Senior Management across both organisations.
• Infrastructure & Data Center Delivery: Data Center fit-out and implementation of base technology, including internal networks, external connectivity, cabling and core services, aligned with required security standards.
• Migration & Transition: End-to-end planning and preparation of application and infrastructure migrations, including environment-specific runbooks and coordination with Release Management, followed by handover to the internal ING organisation for execution; migration execution achieved zero unplanned downtime and no customer impact.
• Financial & Program Control: €20m Program budget with governance of expenditure, forecasts, milestones, dependencies and critical paths, maintaining delivery within approved budget and timeline parameters.

• Setting architectural standards for Informatica Power Center development teams
• Maintenance-performance-health for DWH (Exadata) environments
• Qlik Sense / BO reports architectural standards
• Implementing best practices in ETL tasks
• Documentation ETL standards on Confluence
• Dynamic Data Masking rules for GDPR/KVKK regulations by using Informatica DDM tool
• DWH Data model Power Designer
• Upgrade Qlik Sense versions
• Merge all Informatica server's repository databases on one Oracle DB

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.

• Design and build of a fully isolated AWS offline environment with no outbound internet access for running a browser-based business application
• Design and implementation of a proxy and response service that terminates all external application calls inside the VPC and serves them from locally stored content; identification of the actual communication needs through measurement-based DNS query logging
• Creation of architecture designs and decision papers including a comparison of options (Application Load Balancer with Lambda and S3, reverse proxy on EC2, private API Gateway) assessed by operational effort, cost, and availability
• Transfer of the solution and operations documentation previously available only for Azure to an AWS target architecture, including reassignment of all services and operational processes
• Automated rollout as Infrastructure as Code (Terraform, CloudFormation) with CI deployment via GitHub Actions, plus setup of private DNS zones and an internal certificate chain for operation without internet access
• Creation of architecture, deployment, and operations documentation and handover to the customer
• Build-up of a private cloud platform on OpenStack at provider TelemaxX with Terraform, including FortiGate HA clusters, FortiManager, and Kubernetes
• Introduction of Policy as Code (Open Policy Agent, Conftest) as well as development of MCP servers (Model Context Protocol) to connect AI assistants to operations and project tools

Successes:

• Made the business application fully operable without internet access for the first time; the cause of the loading error was narrowed down systematically to missing CORS headers after the likely certificate issue was ruled out
• Fully transferred an existing Azure concept to AWS and replaced the manually created environment with a reproducible, CI-based rollout

Technology stack: AWS (VPC, Application Load Balancer, Lambda, S3, Route 53 private hosted zones and Resolver query logging, IAM, CloudWatch, EC2, CloudFormation), Infrastructure as Code (Terraform, CloudFormation, Remote State), CI/CD (GitHub Actions with OIDC, Azure DevOps Pipelines), OpenStack, FortiGate, FortiManager, Kubernetes, Policy as Code (Open Policy Agent, Conftest), offline and air-gap architectures, PKI & certificates (internal CA, TLS, CRL/OCSP), DNS, network segmentation, Linux, Windows Server, Python, Bash, PowerShell, YAML, JSON, architecture design & decision papers, documentation (Confluence, Markdown), Generative & Agentic AI (Model Context Protocol, Agentic AI Coding Tools)

DWH for customer and financial data

• Expansion of the DWH to include new data sources
• Report development
• Data quality management

Methodology: Scrum

Tools: Atlassian Confluence & Jira

Databases: Microsoft SQL Server

Programming languages: SQL, T-SQL

ETL: Microsoft SQL Server Integration Services (SSIS)

Frontend platform: PowerBI, Microsoft Reporting Services

• Designed and implemented end-to-end data pipelines (batch & streaming) using Python, SQL, and Apache Spark, Databricks on AWS reducing ETL latency by 40%.
• Developed serverless event-driven ingestion pipelines using AWS Lambda and SQS, ensuring real-time data availability for downstream analytics.
• Leveraged Google Cloud Platform (GCP) services including BigQuery and Dataflow to manage cross-cloud data warehousing and analytics integration.
• Expertise in DMS (CDC, Full Load) and Airflow for scalable data pipeline automation and orchestration.
• Managed and customized data pipelines using Databricks, Airflow. Automation using Docker, Kubernetes, Terraform.
• Automated data quality checks using dbt to modularize transformations and ensure production-grade data lineage, improving reliability by 30%.
• Collaborated with compliance teams to ensure GDPR and SOC2 alignment. Mentored junior engineers and contributed to architecture refactoring for scalability.
• Created and maintained dashboards in Power BI to provide actionable insights.

• 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.

• ITSM consulting, analysis and optimization of IT capacity with BMC TSCO / BMC Helix
• Drafting "Governance guidelines for operational capacity management"

• Projects for federal networks (NdB).
• CR management, EoL change requests, design and documentation according to ITSCM.
• Data center planning.
• Project management and engineering subproject management.
• Software development for virtual server environments according to BSI.

• Administration of 8-node RAC (19.26) database systems
• Use of Golden Gate
• Use of UC4

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

• Overarching technical coaching and support for project managers during the migration of regional companies into the group's O365 infrastructure (Azure).
• Creation and use of content, technical, and methodological synergies between the individual subprojects.
• Project duration: 9 months.

• Patch management
• Support in database development
• Installation and upgrades of the following Oracle systems:
• Oracle Analytics Server (6.4)
• Oracle Enterprise Manager Fusion Middleware Control
• Oracle Data Integration Server
• Oracle BI Administration Tool
• Oracle WebLogic

• Oracle databases 11g, 12c and 19c RAC
• Installation, configuration and deployment of Oracle Fusion Middleware 11g & 12c (WebLogic, SOA, Oracle Forms and Report Server, etc., OBIA)
• Administration of Oracle 11g, 12c, RAC and 19c
• Applying patches
• Installation, configuration and deployment of Tomcat
• Oracle tuning
• The system includes several production, QA, test & development Oracle databases and WebLogic application servers 11g & 12c