I have masters on computer science and years of professional experience in software development, systems infrastructure and network management. My focus is on open source software, reducing costs and increasing customization and flexibility. Professional skills and services: *Database management; *Active Directory services; *Network management; *All kind of UNIX services *Web development with JAVA, PHP and Python *Scientific papers simulations *Latex writing *Graphs development with Gnuplot *Backup services with Bacula *All VMWARE software services *Management of websites (CMS) with *Websites hosting and configuration.. DNS and SSL certificates, security policies etc.. Open source softwares that I have good experience with: -MySQL, PostgreSQL; -OpenLDAP; -PFSense; -PacketFence; -Floodlight controlller; -Opendaylight controller; -Mininet; -Open vSwitch; -Mediawiki, Dokuwiki; -Zabbix; -Wordpress, Joomla; [characters limit] Whatsapp: [login to view URL]