11/16/2024 updated


100 % available
Senior IT Professional: System Administrator and Security Expert
Limassol, Cyprus
United Arab Emirates
Master of Science in EngineeringProxmoxApache HTTP ServerBusiness LogicAutomationBash ShellUbuntu (Operating System)CentOSComputer SecurityDatabasesDebian LinuxPerl (Programming Language)Tivoli Management FrameworkIT ManagementPython (Programming Language)PostgreSQL
Linux Administration
Master level skills in Linux administration, including RedHat/CentOS, Debian/Ubuntu, patching, scripting, security, virtualization, monitoring, backup/recovery, nginx, and apache.
Security
Master level expertise in IT security, including WireGuard, OpenVPN, SSL, Zabbix, and Netcool.
Scripting
Master level proficiency in scripting languages such as bash, python, and perl.
Automation
Advanced skills in automation, including scripting, macros, ansible, and puppet.
Virtualization
Advanced knowledge of virtualization technologies, including Proxmox, Qemu, Docker, Portainer, and LXC.
IT Management
Advanced capabilities in IT management, covering multiple IT areas, strategy building, business logic supporting solutions, current technology evaluation, automation, technical project development, and cyber security systems.
Databases
Advanced skills in database management, particularly with MySQL and PostgreSQL.
Master level skills in Linux administration, including RedHat/CentOS, Debian/Ubuntu, patching, scripting, security, virtualization, monitoring, backup/recovery, nginx, and apache.
Security
Master level expertise in IT security, including WireGuard, OpenVPN, SSL, Zabbix, and Netcool.
Scripting
Master level proficiency in scripting languages such as bash, python, and perl.
Automation
Advanced skills in automation, including scripting, macros, ansible, and puppet.
Virtualization
Advanced knowledge of virtualization technologies, including Proxmox, Qemu, Docker, Portainer, and LXC.
IT Management
Advanced capabilities in IT management, covering multiple IT areas, strategy building, business logic supporting solutions, current technology evaluation, automation, technical project development, and cyber security systems.
Databases
Advanced skills in database management, particularly with MySQL and PostgreSQL.
Experience
Professional experience10+ years
Freelancer since2017
Languages
GermanGoodEnglishFluentPolishNative speaker
Project history
Developed a set of integrated tools to improve most common BAU tasks speed, efficiency and flawlessness. Managed Netcool monitoring, Jira, incident remediation, ITIL Changes, Puppet+GIT configuration management, Control-M workflow management, administration of several RedHat servers.
Developed several automated infrastructure projects using Proxmox, PostgREST, Vue.js, Docker, Synology, Mikrotik. Implemented Mikrotik kill-switched VPN gateways, Proxmox automation, encrypted RAID arrays, LXC containers, Nextcloud hosting, advanced reverse proxying and iptables firewalling.
Developed for projects related with Forex, Blockchain and health industry. Created automated infrastructure of VPN gateways, Mikrotik VPN APs, Ansible and Nextcloud nodes. Supervised / co-authored scool med and home-care.app, euronodes, getnas projects.