About me

Computer scientist – Database expert – Oracle Certified Master


  • Computer Scientist (B.Sc.)
  • Oracle Database Certified Master (OCM) Administrator
  • Oracle Database Certified Professional (OCP) Administrator (10g, 11g, 19c)
  • Oracle Cloud Database Migration and Integration 2022 Professional
  • Oracle Database Certified Expert (OCE) Performance Tuning
  • Oracle Database Certified Expert (OCE) Managing Oracle on Linux
  • Oracle Certified Specialist (OCS) Autonomous Database Cloud 2019
  • Oracle Cloud DevOps Professional (OCP) 2023
  • Oracle APEX Cloud Developer Professional (OCP) 2023
  • AWS Certified Solutions Architect – Associate 2016
  • IBM Data Science Foundations Specialist

Past projects

Consultation and support for a home appliance manufacturer

  • Analysis and securing of the Oracle databases of the inventory management system
  • Securing, reconfiguration, and testing of the RMAN Backup/Recovery
  • Analysis/testing of the scripted high availability solution
  • Training of the employees regarding Oracle database administration


Oracle Consulting and Support for an Energy Provider

  • Consulting and support during the migration of a complex application system to a SaaS provider into the cloud for the Oracle databases area
  • Conceptualization of the multi-part migration for the data part in the Oracle databases, including fallback scenarios and archiving of the legacy systems
  • Development of complex scripts and PL/SQL code for data migration and archiving
  • Performance optimization of deletion and copying processes


Concept development and consulting regarding migrations to Oracle 19c for an health insurance company

  • Consulting regarding migration techniques, performance management and new Oracle features
  • Analysis of the Oracle system environment
  • Oracle performance analysis and tuning
  • Determination of the best migration technique and proceedings
  • Design and execution of tests preparing the migration
  • Research and tests for individual topics


Database administration for an energy supplier

  • Project management and implementation of multiple Oracle database migrations
  • Technical project management for Oracle license audit
  • Project management, conception and implementation of a configuration management tool (CMDB) in Oracle Apex
  • Project management, design and implementation of an Icinga system monitoring system
  • Troubleshooting of Oracle databases
  • Oracle performance analysis and tuning
  • Consulting of internal developers and project managers on Oracle database issues
  • All other standard database administration tasks


Oracle consulting and database administration for a software development company for the pharmaceutical industry

  • Consulting of customers from the pharmaceutical industry regarding infrastructure, high availability solutions, installation, database migrations and licensing issues
  • Troubleshooting in the area of Oracle databases, inhouse and with customers from the pharmaceutical industry
  • Migration of Oracle databases inhouse and for customers from the pharmaceutical industry
  • Oracle Database administration inhouse
  • Consulting of internal developers and project managers on Oracle database issues
  • Oracle performance analysis and tuning