I took responsibility for organizing the patch management and applying patches to servers. Initially, the focus was on monolithic servers, of which there were about 600 machines with CentOS or Oracle Linux. Later, my responsibilities expanded to PaaS with twice as many virtual machines. A significant part of the patch process was ensuring that all services functioned properly and resolving incidents promptly.
• Planning, analysis, and setup of server landscapes • Administration, maintenance, and operation of existing customer server landscapes • Support, optimization, and further development of existing platforms • Ensuring high availability of online platforms • Assistance in 2nd and 3rd level support • Participation in automation projects • Development and optimization of digital tools for operational, central administrative, and monitoring components • Execution of deployments with the highest quality, security, and data protection requirements • Active collaboration with customers and internal teams • Technical consultancy for customers and colleagues
