Ernesto Fernando Ortega Barquero

Concentrix Nicaragua.

Position held: Tier 2 Coud support engineer.

Job Description: Provide technical support in the cloud oriented to the Office 365 platform.

• Technical support to global administrators and customers with Office 365 Subscriptions.

• Provide technical assistance to the different technologies included in the Office 365 platform:

• Exchange, Outlook, Office apps, OneDrive, SharePoint, Azure, security and compliance.

• Support to Staff and Partners Offic365.

(2015 - 2019) Claro Nicaragua.

Position Performed: SysAdmin / Regional VAS Engineer (Global Technologies).

Job Description: Equipment management of the SVA line at the level of application, services, preventive / corrective maintenance.

• Attention to signaling incidents (SIP, SMPP, ASR5K), associations, links.

• Management of SVA line equipment corresponding to multiple technology providers; SMSC Mavenir, SMSC / VMS / RBT / DRA / MME Huawei Cloud, Cisco ASR 5000 (SGSN/ GGSN), Ericsson SGSN-MME (SPGW/SGW), Storage Server M4000 Oracle Microsystems.

• Back Office Level 3 support for 1000+ users belonging to the Claro Central America network; mobile services (SMS, voice, mobile browsing, settings).

• Back Office Level 3 Support for Corporate VIP clients oriented to bulk SMS services, aimed at Banks, Aggregators and multimedia companies (Transactional notifications, advertising campaigns, subscription of multimedia content through SMS).

• Back Office Level 2 Support for Corporate VIP clients oriented to mobile data services, aimed at Banks, land transport companies (GPS Location) or companies that use the mobile data network for the management of multiple equipment nationwide through VPN.

Administration of the Ericsson OSS (Operation Support System) network centralization team. Operating Systems (Solaris 10 and 11/Unix Open VMS/Windows Server).

• Integration at the management level of new network elements (2G/3G/4G coverage nodes) in the OSS Centralizer.

• Troubleshoting aimed at the different types of tools for the administration of the 2G, 3G and 4G cellular network, intervention planning (upgrades, changes, corrections and improvements).

• Ireg Tester (Roaming Technical Support) last line of support for clients registered in operator networks around the world, troubleshooting, configurations, opening of bilateral interconnections; GSM(2G), WCDMA(3G), LTE(4G).