Develop the front-end of a mobile app using React Native.

Maintain the in-house web application used to measure and chart the network’s elements of the largest telecommunications company in the Dominican Republic.Design and develop new modules for the in-house application in a fast-paced environment.Design, develop, and maintain a web application to generate periodic reports about RAN (national mobile network).Technologies: JavaScript (Node.js), ExpressJS, SailsJS, MomentJS, Lodash, Webix, Highcharts, JQuery, Bootstrap, Linux, and OracleDB/ Oracle SQL Developer.

Analyze, create and monitor performance reports of mobile network elements KPIs, using the in-house monitoring web application and querying Oracle SQL databases.Create and escalate tickets to the concerning department when there is an outage or any other issue with RAN.Evaluate mobile network elements’ performance after installation, software, or hardware upgrades.I was part of the Ericsson to Huawei RAN Migration Project. My role was to evaluate the network performance throughout the migration of all BTS and CNs nationwide.Design network KPIs reports destined to the president and executives of the company.Technologies: RAN (2G, 3G, and 4G LTE), CORE (MSC and SGSN), IMS, PCRF, Signaling (DRA and STP), and VoLTE.

Troubleshoot escalated trouble tickets in the Prepaid Services Servers’ Network and document them with the actions performed.Execute Linux shell scripting to solve misconfigurations.Execute server configuration changes via UIs to include new products and services.Coordinate with other teams to resolve network issues and execute changes.Create and maintain a relationship with network equipment providers to escalate major problems and work in conjunction to solve them. Execute routine servers’ back-ups.Technologies: Charging System - CCN (Charging Control Node), SDP (Service Data Point), AF (Account Finder), MINSAT (Mobile IN Service Administration Tool), VS (Voucher Server), AIR (Account Information & Refill Server)

Operate monitoring platforms to detect issues in the Data Network Elements, Added Value Services, and Prepaid Services Servers’ Network.Create and escalate tickets with initial troubleshooting and diagnosis of outages or any other issue in the network.Inform any corporate clients, like other ISPs about any problem that may affect them and send follow-up reports.Troubleshoot equipment from different vendors.Technologies: ATM, CORE IP, Access Network, Charging System, Cisco, ZTE, Zyxel, and Alcatel.