09/24/2025 updated
BS
100 % available
Principal Linux Engineer with 20+ years experience in infrastructure and security
Katowice, Poland
Germany +1
RHCE Red Hat Certified Engineerinfo: Germany, Poland
ProxmoxAutomationUbuntu (Operating System)CentOSConfiguration ManagementLinuxTivoli Management FrameworkInfrastructure ManagementKernel-Based Virtual MachineLinux AdministrationNagiosOpenStackRed Hat Enterprise LinuxAnsiblePrometheus
Linux System Administration
Extensive expertise in Red Hat Enterprise Linux, CentOS, Ubuntu, and other distributions with over 20 years of experience designing, implementing and supporting complex Linux solutions.
Virtualization Technologies
Advanced knowledge of VMware, KVM, XEN, oVirt, Proxmox, and OpenStack with experience in migration projects and infrastructure design.
Security Implementation
Implementation of comprehensive security solutions including Nexpose Rapid7, Wazuh, Qualys, CrowdStrike, Nessus, and IBM Qradar with vulnerability assessment capabilities.
Automation & Configuration Management
Proficiency with Red Hat Satellite, SaltStack, Puppet, Ansible, Chef, Rundeck, and Packer for infrastructure automation and configuration management.
Monitoring & Observability
Experience implementing and maintaining monitoring solutions using Nagios, Zenoss, Zabbix, IBM Tivoli, Datadog, Prometheus, Telegraf, and Grafana.
Containerization
Knowledge of Docker and container technologies with experience in preparing and maintaining official CentOS/Rocky Docker images.
Infrastructure as Code
Skills in Terraform for provisioning infrastructure, developing VMware and Proxmox/KVM POC provisioning solutions.
Extensive expertise in Red Hat Enterprise Linux, CentOS, Ubuntu, and other distributions with over 20 years of experience designing, implementing and supporting complex Linux solutions.
Virtualization Technologies
Advanced knowledge of VMware, KVM, XEN, oVirt, Proxmox, and OpenStack with experience in migration projects and infrastructure design.
Security Implementation
Implementation of comprehensive security solutions including Nexpose Rapid7, Wazuh, Qualys, CrowdStrike, Nessus, and IBM Qradar with vulnerability assessment capabilities.
Automation & Configuration Management
Proficiency with Red Hat Satellite, SaltStack, Puppet, Ansible, Chef, Rundeck, and Packer for infrastructure automation and configuration management.
Monitoring & Observability
Experience implementing and maintaining monitoring solutions using Nagios, Zenoss, Zabbix, IBM Tivoli, Datadog, Prometheus, Telegraf, and Grafana.
Containerization
Knowledge of Docker and container technologies with experience in preparing and maintaining official CentOS/Rocky Docker images.
Infrastructure as Code
Skills in Terraform for provisioning infrastructure, developing VMware and Proxmox/KVM POC provisioning solutions.
Languages
GermanBasic knowledgeEnglishGoodPolishNative speaker
Project history
Advisory project for German SMB companies migrating from VMware to Proxmox/KVM & Linux support, vulnerability assessments and fix roll-outs, automation scripting with Ansible and Bash, 3rd level support and RCA for Linux-related incidents.
On-premise to GCE/GCVE Linux migration, OpenStack and KVM to VMware migration, senior advisory position in worldwide migration of +10k servers, hardware refresh project, preparing CentOS/Rocky Linux VMware Golden Images, security hardening, development of provisioning solutions based on Terraform and Ansible.
Review and update of Linux global security guideline document, analysis of Rapid7 and Qualys scan reports, developing vulnerability patching policy, implementing automatic vulnerability patching process.