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Gleiser Bermudez is a seasoned network security engineer currently serving as a Sr. Network Security Engineer at AdvenTech Group, Inc. since August 2022. Prior experience includes roles as a Network Operations Engineer at Telxius, where responsibilities involved the maintenance and operation of DWDM and SDH equipment and an IP interconnection network, and as a Junior Network Administrator at AdvenTech Group, Inc., focusing on network system maintenance and enterprise backups. Earlier in the career, Gleiser worked at Telefónica Venezuela, initially as a Network Specialist providing Level 2 and Level 3 Network Support, and later as a Network Operations Center Supervisor overseeing network design and infrastructure troubleshooting. Gleiser holds a degree in Computer Systems Networking and Telecommunications from Universidad 'Alejandro de Humboldt' (2001-2007).