17 + years of experience in systems management and networking. Main focus is on network security and efficiency. Along the years I have achieved several interesting goals with the people I have worked for. I have obtained lots of experience with most important manufacturers: Microsoft, Cisco, VMware, Fortinet, Sophos, HP, Dell, Watchguard, Mikrotik, just to name a few. I have certifications from Cisco, Microsoft, Fortinet, Sophos, VMware, CompTIA and others.