Juan Carlos O.

* Network engineer: Network administrator in charge of design, configure, implement and support the corporate/guest network: routers (Cisco), switches (Cisco, HP), firewalls (Cisco, Sonicwall), VoIP and videoconference system (Call manager Cisco, VoIP gateways, telepresence stations) and wireless (WLC, AP). * Cybersecurity professional: lead the implementation of the corporate cybersecurity and cyber defense strategy for the protection of information and technology assets from external threats.

Network administrator in charge of configure and install Cisco network devices – Administration and support of 100 switches and 10 routers connected to the corporate and guest networks. Monitor the network using Orion SolarWinds tool. Network and IT support for 1400 users located at multiple facilities of the refinery. Administration of VoIP system (Call manager 4.1 version) using differents kind of phones like 7940, 7941, 7960, 7961, 7936 and 7937 and Cisco ATA devices.

Perform of site surveys, design, implementation and operation of the network infrastructure in ISP head-end for MetroEthernet access network. Configuration of Allied Telesyn MetroEthernet switches. Troubleshoot of network issues on site and remotely. Manage the inventory of IP public space assigned to the regional clients. Technical assurance of regional fiber optical nodes, increasing the availability level of the head-end infrastructure from 90% to 99.98%.