With 28 yrs experience in network and systems administration in hybrid environment. Can create LAN from scratch, install and configure Windows and Linux servers. Experienced in Microsoft active directory, Azure AD, DNS, DHCP, TCP/IP, MS Exchange servers, Firewalls (Sophos UTM, Fortigate), Linux systems, SIEM, SOAR, EDR, XDR, Virtualization (VMware & Hyper-V), Azure & AWS cloud computing, file servers, Sound knowledge in cyber security.