currently design, all the infrastructure of the Active Directory service of the Ministry of Education of the Argentine Nation, with more than 3900 users, 5 AD of contingency replication, 4 BKP servers, 2 Exchange servers in High Availability, 5 internal DNS servers , 3 external DNS servers, all in 4 locations with different geographical locations, and other services that operate within the AD, all this is verifiable if required, I have more than 10 years of experience in AD and I am also certified by MICROSOFT, I believe policies of Good practices related to Cybersecurity, I manage the engines and databases both OnPremise and Azure, with more than 1 million concurrency in some platforms, Administer Chat Bot's with IA + E-Learning, among other things, EVERYTHING PROVABLE greetings .