Freelancer profile translated to English.

Description

I proactively and independently take care of your database landscape (Informix, DB2, MySQL), either on my own or as part of a team in various environments (on-premise, virtual). This ranges from daily operations, patch management, and performance optimization to high availability in heterogeneous environments.

Industry field of expertise

Languages

German
Native or bilingual
English
Conversational

Workplace preferences

Remote only

Primarily works remotely

Firma Optica Abrechnungszentrum Dr. Güldener GmbH
Database Administrator Informix
MEDICAL
March 2025 - Today (1 year and 3 months)
Stuttgart, Germany
My focus is on the restructuring and redesign of the existing Informix infrastructure, projects in data replication (CDR, CDC), preparation of data migration (Solaris -> Linux), performance tuning (SQL and DB server), automated creation of test environments, backup & recovery, monitoring.
Responsible Work Show Initiative Analytical Skills Performance Optimization Patch Management
ITSC GmbH
Database Administrator DB2 and MySQL
TECH
April 2017 - February 2025 (7 years and 10 months)
Hannover, Germany
My focus was particularly on the daily operations, especially the stable operation of approx. 400 databases (partially virtualized), on data migration (Solaris -> Linux, ANSI -> UTF8), performance tuning and monitoring with a focus on database security and continuous availability in the area of company health insurance.
Performance Optimization Responsible Work Patch Management
ITSC GmbH
Database Administrator Informix
TECH
July 2011 - April 2017 (5 years and 9 months)
Hanover, NI, Germany
Database optimization, data migration and reorganization, performance tuning and monitoring with a focus on database security and continuous availability in the area of company health insurance.