Jun 2009 - Mar 2011
Position: SCEL Operator for Telefónica Movistar México
Provide Tier II Support for provisioning platforms (HLR, SDP Altamira, FNR and ADSU).
Actively participated in analysis and solution incident for VIP subscribers via Remedy.
Executed fast and effective intervention on Maintenance Windows with affectation.
Reduced in 15% incidents caused by wrong validations with imported subscribers.
Increased operation efficiency 20% by automating administrative tasks.
Apr 2011 - Aug 2012
Position: (VAS) Technical Support and Delivery
Deploy Huawei Value Added Service platform for Telefonica Movistar México.
Lead SCG (System Control Gateway) deployment to provide data services for subscribers.
Accountable for gathering requirements, analyze issues and provide solutions.
Design network architectures, deliver installation reports (MoPs) and technical docs.
Support VoD (Video on Demand) deployment to provide video streaming for subscribers.
Delivered two SCG solutions in Monterrey and Tlalnepantla and integrated.
VoD platform delivered on Monterrey and successfully integrated with SCG.
Solved charging and billing incidents with SCG by developing iRules on F5 Load Balancers.
Ericsson GSC México
Aug 2012 - Apr 2013
Position: (OSS) Operations Support System, Support Engineer
Provide Tier II Support 24/7 on Site for Claro & Digicel ESV for Ericsson OSS system.
Delivered multiple documents for operation and daily check for OSS platform.
Increase the efficiency of OSS by automating debugging tasks.
Ericsson GSC México
Apr 2013 - Mar 2015
Position: (BSS) Business Support System, Service Engineer
Deploy Ericsson OCS (Online Charging System) with main focus on SDP and CCN.
Gather requirements from customer's network, to setup the SDP or CCN nodes.
Perform software and hardware upgrades, updates over CCN, SDP, AIR and VS nodes.
Design network architectures, deliver integration reports and technical documentation.
Delivered multiple cross functionally SDP clusters on geography dispersed environments.
Accomplishment of main milestones of first call charged over Green Field networks.
Development of tools to measure Diameter Gy errors with daily charts for this.
Performed successful migrations and upgrades/updates to improve Charging Operations.
Volunteer to support team-mates on high risk scenarios (Upgrades, Migrations, Analysis).
Provide workshops and knowledge sharing after each assignation with teammates.