IT Systems Administrator – Oracle / PostgreSQL

We are looking for an experienced Senior IT Systems Administrator (Oracle / PostgreSQL) who will be responsible for the administration, maintenance and continuous improvement of database environments and related IT services. The role combines hands-on database administration, troubleshooting, infrastructure monitoring, automation and close collaboration with other IT teams.

• Install, configure, administer and maintain Oracle and PostgreSQL database environments.
• Ensure stable, secure and reliable operation of database systems supporting business-critical services.
• Provide professional technical support for business applications and IT services.
• Troubleshoot complex technical issues and handle incidents, problems and service requests.
• Monitor database and system performance, availability and capacity, and proactively address potential issues.
• Perform database upgrades, patching, backup and recovery activities (including point-in-time recovery).
• Set up and maintain replication and high-availability solutions, such as Oracle Data Guard and PostgreSQL streaming replication.
• Support and improve monitoring, maintenance and operational processes through automation.
• Create, update and maintain technical documentation, procedures and operational guidelines.
• Collaborate closely with application, infrastructure, security and other IT teams.
• Participate in root cause analysis and resolution of recurring or complex incidents.
• Share technical knowledge, provide guidance and support the development of other team members.
• Use AI-powered tools to support troubleshooting, documentation, scripting, data analysis and the optimization of daily IT operations.