MIGUEL ANGEL VERA URISTA

Cell: +52-187********

ac44rr@r.postjobfree.com

SUMMARY OF QUALIFICATIONS

Software Development Engineer with 17+ years of experience in the Telecommunications space, achieving different roles as System Integrator and Solution Architect. Strong and extensive experience designing and integrating telecom OSS/BSS solutions related to mediation, provisioning & inventory management. I have a strong understanding of software development and deployment processes, especially within a DevOps practice. Experience working with multicultural teams for companies worldwide. Held integration and development experience using the following tools:

Databases: Oracle, Postgres and MySQL.

OS: Red Hat Enterprise Linux and Solaris UNIX.

Programming Language: DUP, Perl, Bash script, Shell script, Python, PL/SQL & Java.

Advanced knowledge of VERITAS file system and VERITAS cluster.

OSS/BSS Telecommunications Platforms: Mediation, Activation/Provisioning and Inventory systems. Familiar with the following systems: Ericsson Multi Mediation (EMM), Ericsson Multi Activation (EMA), Oracle Communications ASAP and ELS's ROME Inventory System.

Business workflow tests design and execution: System test, function test, E2E test, and acceptance test.

Microsoft Office products.

Hands on experience on EMC storage management.

Understanding of Call Detail Record (CDR): structures, processing, management and recycling.

Troubleshooting, operations & maintenance of Linux/Unix OS, databases, scripts, veritas, EMC & OSS/BSS applications.

Created technical documentation related with processes, scripts, routines and configuration.

SELECTED ACHIEVEMENTS

As solution architect, successfully improved the performance of Ericsson Multi Mediation (EMM) solution part of Telcel Mexico GSM network. It included patches installation on Solaris UNIX OS, EMM application upgrade, performance improved in business logic developed in DUP code, and added new requirements in business logic developed using code Java and DUP language.

Migrate an Ericsson Multi Mediation (EMM) system part of Telcel Mexico GSM network from standalone server to 3+1 cluster, mitigate any potential timing and planning risks related to billing systems and any other related integrations.

Installation and implemented the mediation solution on the AT&T VoLTE network, included the installations, upgrades and patching of Red Hat Enterprise Linux, as well as, configuration of Veritas Cluster & configuration of the geo-redundancy cluster. Software developed of business login in mediation for AT&T VoLTE network.

PROFESSIONAL EXPERIENCE

System Integration & Solution Experts

Mexico City, Mexico

01/2017 - present

(http://www.sisemx.com/en/)

OSS / BSS Support Engineer

Providing project support during implementation, handling critical issues and reducing long duration emergencies of various products in the Telecom OSS/BSS Services Domain.

Troubleshooting problems related with Call Detail Records (CDRs): structures, processing, management and recycling.

Providing customer support and troubleshooting of Red Hat Enterprise Linux, Postgres Database, Veritas Cluster Server, Veritas File System, Veritas Volume Manager, EMC & Ericsson Multi Mediation issues.

Ericsson Global

Worldwide

10/2006 – 10/2016

(http://www.ericsson.com/)

Systems Integration Engineer (Plano, Texas, US from 10/2013 to 10/2016)

Integrating of EMM (Ericsson Multi Mediation) as VNF (Virtual Network Function) using OpenStack with IMS nodes (BWAS, BSCS & SBG) making the data available for a range of purposes such as charging and billing on AT&T’s VoLTE network.

Participating in installations, upgrades and patching of Red Hat Enterprise Linux, the installation and configuration of Veritas Cluster Server, Veritas File System & Volume Manager, Configuration EMC Navisphere Management and installation and administration of PostgreSQL Database.

Developing the business logic for the mediation system to collect raw data, transforms raw data to Call Detail Records (CDRs) and distributes them to the charging and billing system using Java programming and Ericsson DUP language for the AT&T’s VoLTE network.

Solution Architect Engineer (Mexico City, Mexico from 04/2009 to 08/2013)

Providing leadership on mediation project to identify technical requirements that support Telcel's services and its new products. Adding the new requirements on mediation solution to cover a range of purposes in downstream systems as charging, billing, service assurance, fraud detection and compiling statistics.

Providing technical solution to upgrade Ericsson Multi Mediation system as part of the OSS/BSS software in Telcel GSM network. Integrating the solution design throughout all project life-cycle through to deployment, ensuring that any defects were identified and resolved throughout the process.

Improving the performance the Telcel's business logic inside Ericsson Multi Mediation system, in order to collect, process and distribute the Call Detail Records (CDR) in a better and faster way.

Operation and Maintenance Engineer (Madrid, Spain from 01/2008 to 02/2009)

Providing customer support and troubleshooting for Solaris UNIX, Oracle Database, Veritas Cluster Server, Veritas File System, Veritas Volume Manager, EMC & Ericsson Multi Mediation issues as part of the OSS/BSS software solutions.

Developing different scripts using Bash script, Perl and PL/SQL as the Integration of the custom reports and statistics reports. Assist in the proper operation and performance of Splunk, integrated data feeds, logs and connectors.

Responsible for test, detect problems, present technical modifications, and recommended improvements prior to commercial launch of software releases in the mediation system.

Systems Integration Engineer (Sao Paulo, Brazil from 10/2006 to 11/2007)

Developing functional requirements for interoperability, scale and performance of Ericsson Multi Mediation system, using Java programming and Ericsson DUP language for the TIM Brazil network.

Ensuring that compliance to design was tracked through the project life-cycle until deployment. Integrating the solution design throughout all project life-cycle through to deployment, ensuring that any defects were identified and resolved throughout the process.

Testing and documentation on Ericsson Multi Mediation Application solution; Customer Support and Troubleshoot of Unix, Oracle & Ericsson Multi Mediation issues.

TXM Global

Saltillo, Mexico

12/2002 – 09/2006

(http://txmglobal.com//)

Senior Software Development Engineer

During the integration face, responsible to install and configure the database according with requirements of Ericsson Multi Mediation solution.

Ensure data is being collected and recorded appropriately through integration points between systems.

Performed routine and system maintenance including software upgrades, database backup and database recovery.

Create technical documentation on database processes and database configuration.

Developed, tested, and implemented scripts to importing and exporting data from database, in order to generated customer reports.

Troubleshoot and maintain highly-available and scalable database. Solved any errors or issues which arise.

Ericsson Global

Saltillo, Mexico

07/2000 – 11/2002

(http://www.ericsson.com/)

Software Development Engineer

Participating in all project phases as installation, functionality development, testing and documentation on OSS/BSS software solutions; Installation, upgrades and patching of Solaris UNIX.

Installation and configuration of Veritas Cluster Server, File Systems, and Volume Manager; Development using DUP & Java; Administering operations of Oracle Database; Customer Support & Troubleshooting.

EDUCATION

ITESM Campus Monterrey

Monterrey, Mexico

Master of Science

Electronic System, Major in Telecommunications

Thesis: "Performance in Wireless-ATM Networks using Kaufman's method"

01/1999 - 06/2000

ITESM Campus Laguna

Torreón, Mexico

Bachelor of Science

08/1994 - 12/1998

Electronic System, Major in Digital Control

LANGUAGES SKILLS

Spanish: Native proficiency.

English: Professional working proficiency.

Portuguese: Limited working proficiency.

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