Hani H.

- Management of large server infrastructures with several hundred servers - Management of routers with pfSense and OPNsense - Management of private cloud using Docker Swarm and Kubernetes - Management and monitoring of various operating systems, including Debian, Ubuntu, CentOS, AlmaLinux, RockyLinux, RHEL, FreeBSD, and Windows Server - Working with database systems (MySQL, later transitioned to the fork version MariaDB) - Expertise in server virtualization with Proxmox, XCP-NG and Virtualizor, as well as experience with VMware and Docker - Effective management of Arbor firewall (NETSCOUT) for automation and real-time filtering of cyberattacks - Coordination of virtual servers for cloud solutions and implementation of load balancing systems - Integration of cloud instances into cloud infrastructure with minimized latency - Automation of various processes by creating Bash scripts, including auto-package installers and auto-server configuration - Construction of dedicated 19-inch servers (Supermicro) and host systems, including DUAL Intel XEON / AMD EPYC - Configuration of Juniper and Arista switches for effective network communication - Configuration of complex storage clusters using GlusterFS and CEPH - Configuration of IPv4 networks (RIPE) and IPv6 networks in VLAN for secure communication within and outside the network, including the use of custom nameservers for rDNS (PTR) entries - Implementation of IPMI / KVM-over-IP as well as VNC for virtualized servers and cloud instances - Expansion and management of internal administration tools, including a 24/7 monitoring system for the entire infrastructure - Monitoring servers for new security vulnerabilities, including CVE exploits and other dangerous threats, such as spoofing, DDoS reflection, and amplification attacks through open services like MS SQL, NTP, and DNS resolvers