Linux system migrations and integration (1000+ systems). • VMware migration of Linux servers (2000+). • Microservices migration on Kubernetes (VMware to Cloud x4 clusters Kubernetes). • Automation of processes related to the CI/CD (Jenkins, Ansible, Terraform, Bitbucket, Gitlab, Azure DevOps, jFrog). • Preparation of environments for developers Azure/AWS • Deploy Docker and Kubernetes based applications. • Creating tools that automate the processes mentioned above. • Creating clusters HA Rancher/HA Kubernetes. • Deploying HA solutions to Kubernetes clusters.

Delivery Lead Linux/Unix/SAN: Grupa Azoty, Mastercard. • Automation of processes related to the CI/CD (Jenkins, Ansible, Bitbucket, Git, Azure DevOps, jFrog). • Microservices migration on Kubernetes clusters. • Systems: HP-UX, SLES, RedHat/CentOS, Ubuntu, HP Hardware (Administration and upgrading 1000+ systems). • Deploy Docker and Kubernetes based applications. • Storage/Backup: HP 3PAR, HP Data Protector. • Database: Oracle, Postgresql, MySQL/MariaDB. • Support of L1,L2, L3 (Unix/Linux, DB, Storage) for projects i.a. ARiMR, TMobile, PWPW, Budimex. • Administration of Linux Systems (SLES, RedHat/CentOS, Ubuntu/Debian). • Linux Systems Virtualization by VMware, RHV. • Application Systems: JBoss (+15 Node), WebLogic. • Monitoring Systems: HP SiteScope, Zabbix. • Projects management: JIRA, Service Manager. Creating and updating technical documentation (Confluence, Word). • Contacting customers

• Designing, conducting and supervising of process implementation connected with server operating systems (2000+). • Path management, vulnerability management, standardization. • Installing, update packages security on Linux. • Performing regular patching of RedHat Linux using Satellite Server. • Linux Systems Virtualization by VMware • Creating tools that automate the processes mentioned above. • Preparation and implementation of test scenarios for implemented changes. • Updating configuration status with the CMDB database. • Process correctness verification. • Projects management: JIRA, Kanban. • Performing duty tasks, handle incoming alerts on filesystem usage and failing processes

Wincor Nixdorf Sp. Z o.o. Warsaw, Poland • Administration of applications deployed at customers: ING, PKO BP, mBank. • Preparing and installing application servers and databases. • System implementation in banking institutions - JBoss, WebSphere servers with J2EE application. • Automation of processes related to the administration of environments. • Monitoring production, test and internal environments of the company. • Conducting application and performance tests. • Internal support of the company (installations, configuration for the needs of the programmers department). • Data and resources archiving. • Path management processes: IT Card. • Testing applications with ATM’s. • Cooperation with the helpdesk department. • Creating and updating technical documentation. • Contacting customers