Armando Guevara Email & Phone Number

Puerto Rico

To review the service delivery procedures to ensure the quality and the profitability in execution. To manage the Operation team, which include the engineering, installation, commissioning and support, to improve the communication and cooperation between them, aligning the priorities and the goals with the commercial team.

• Directed the operation and maintenance of the mobile core network, which include the CDMA MSCs, HLRs, Voice Mails, IVRs, IP and ATM networks, SDH Transport network and the PDSN, UMG and BSC nodes.
• Directed the implementation of the mobile core network, which include the CDMA MSCs, HLRs, Voice Mails, IVRs, IP and ATM networks, SDH Transport network, PDSN, UMG and BSC nodes, infrastructure and AC/DC energy systems.
• Directed the support and optimization of the national transmission network, conformed by microwave radios and SDH aggregations nodes.

• Supervised a group of fifteen engineers.
• Operated and maintained the IP and ATM backbone networks as well as the EVDO Radio Network Controllers and the PDSN / AAA nodes used for the CDMA 1X RTT wireless data service.
• Optimized for fast convergence and high availability the ALCATEL ATM and CISCO IP networks.
• Engineered the aggregation and transport of the national EVDO network (350 RBSs)
• Administrated and maintained the OSS systems of the network.
• Designed and implemented MPLS in the IP network.

• Supervised a group of five engineers.
• Operated and maintained the IP operational and corporate networks (CISCO).
• Operated the network security devices (CISCO PIX and IDS).
• Presented technical presentations to the senior staff.
• Responsible for planning and troubleshooting end to end IP connectivity.
• Deployed the internal WLAN infrastructure.

• Operated and maintained the wireless data CDPD Switches (Lucent and Ericsson).
• RF optimization of CDPD network.
• Troubleshooting of end to end wireless data implementations for Commercial Banks (LAN POS and ATM), Lottery, Location Base Services (LBS) and corporate VPN access.
• Troubleshooting the core IP backbone of the CDPD network (Routers and Switches Cisco).
• Technical support for CDPD network (Lucent and Ericsson).
• Evaluated and certificated CDPD mobile terminal equipments (Airlink, Sierra Wireless, Novatel, etc.).

• Installed and commissioned Power Line Carrier systems.
• Installed and commissioned fiber optic transmission networks (OC1 y OC3), in power stations.

Master

Electronic Engineer