Sergio Flores Chavira Email & Phone Number

Dallas/Fort Worth Area

Richardson

Provided Level 2 Technical Support for the Southeast of the United States and Ohio for a Tier 1 wireless operator.Analyzed KPI to troubleshoot open tickets submitted by our customer.Supported and trained our Level 1 support engineers.Supplied recommendations and solutions to our customer's technicians.

Dallas/Fort Worth Area

Trained a Team of runners and walkers to race at Disney Marathon, Dallas Marathon and 1/2 Marathon and New Orleans Rock and Roll Marathon and 1/2 Marathon

Dallas/Fort Worth Area

$13000 raised on behalf of the Leukemia & Lymphoma Society through their Team in Training program since 2009.The mission of Leukemia & Lymphoma Society is to find a cure for all blood related cancers and improve the quality of life of patients and their families.

Plano, Texas. Usa

Richardson, Tx

Plano, Tx

Greater Denver Area

ZTE CDMA/EVDO RAN Technical Support Engineer, Dallas, TXCommissioned and integrated ZTE’s all IP based CDMA/EVDO ZXC10 BSC and BTS at Globecomm Systems headquarters in Hauppage, NY. This Network will allow Globecomm offer its customers a hosted platform for CDMA, EVDO, UMTS and LTE services.Performed Acceptance Test Procedures for BSC and dual mode BTS to validate reliability, redundancy and reliability of the Radio Access Network in Hauppagge and in the first commercial deployment for… Show more ZTE CDMA/EVDO RAN Technical Support Engineer, Dallas, TXCommissioned and integrated ZTE’s all IP based CDMA/EVDO ZXC10 BSC and BTS at Globecomm Systems headquarters in Hauppage, NY. This Network will allow Globecomm offer its customers a hosted platform for CDMA, EVDO, UMTS and LTE services.Performed Acceptance Test Procedures for BSC and dual mode BTS to validate reliability, redundancy and reliability of the Radio Access Network in Hauppagge and in the first commercial deployment for Globecomm's hosted service.Developed initial installation and configuration document for HP c7000 blade enclosure and BL460c blade server to be used as the CDMA RAN Element Management System (EMS) to collect KPI and overall network performance statistics.. This is only the second platform of this type deployed by ZTE in the US.Provisioned and configured voice and settings for CDMA-IS95, CDMA-1X, EVDO Rev0 and RevA test devices to validate voice and data services on the new network.Executed BSC, BTS and handset configuration template and test plan. Show less

Gilmer, Tx

Integrated 17 EVDO nodes to ETEX’s CDMA wireless network, enabling 3G high speed wireless internet access for the first time in Upshur and Marion counties; serving approximately 35,000 subscribers.Managed day to day operation of Motorola based Radio Access Network; troubleshooting and restoring out of service devices, dispatching field personnel to cell sites, collaborating with Motorola’s Customer Network Resolution center to resolve trouble tickets. Developed and documented periodic… Show more Integrated 17 EVDO nodes to ETEX’s CDMA wireless network, enabling 3G high speed wireless internet access for the first time in Upshur and Marion counties; serving approximately 35,000 subscribers.Managed day to day operation of Motorola based Radio Access Network; troubleshooting and restoring out of service devices, dispatching field personnel to cell sites, collaborating with Motorola’s Customer Network Resolution center to resolve trouble tickets. Developed and documented periodic hardware maintenance schedule of network elements, including BTS, BSC and OMC based on manufacturer’s recommendations.Designed and validated default configuration setting for over 20 different handsets and data cards from 6 different manufacturers, including Android OS smart phones; delivered to over 6,000 subscribers over a 7 day period. Design and pre-configuration of default settings by Brightpoint, ETEX’s cellular device vendor, enabled a quick distribution of the devices at the point of sale.Supported ETEX’s Customer Service Representatives with cellular handsets and data card programming, troubleshooting and software upgrades of devices.Teamed up with Motorola engineering and program management over a 4 month period to validate plans and successfully migrate ETEX’s network of 17 BTS from Verizon’s Longview network to local control in Gilmer, TX. Show less

Developed Field Implementation Plans for the deployment of new features and services. Test cases and validation plans were extensively verified in Motorola and client labs before their commercial introduction; resulting in a successful rollout of features for the customer.Interfaced with systems engineering, development and program management teams during regular meeting at different stages of each feature’s development cycle to ensure appropriate test plans were implemented for… Show more Developed Field Implementation Plans for the deployment of new features and services. Test cases and validation plans were extensively verified in Motorola and client labs before their commercial introduction; resulting in a successful rollout of features for the customer.Interfaced with systems engineering, development and program management teams during regular meeting at different stages of each feature’s development cycle to ensure appropriate test plans were implemented for each platform prior to their commercial launch.Managed internal CDMA/EVDO lab, performing regular minor and mayor software upgrades on RAN (Radio Access Network) elements in the lab. BTS (Base Transceiver Stations), OMC (Operations and Management Center), MM (Mobility Manager), EVDO-BSC (Base Station Controller); and Cisco devices: 6509 Multi Layer Switches, 1900 Mobile Wireless Routers, and MGX8850 multiservice switch, ensuring lab availability for the Field Operations team.Maintained overall Lab databases, integrated new network elements, verified call processing and sanity checks regularly on the systems. Managed configuration of Cisco and Eastern Research DACS (Digital Access Cross connect System) interfacing T1, T3 and OC-3 facilities.Supported the successful trial and later commercial introduction of CDMA-1X RTT and EVDO, Rev 0 and Rev A for North American customers and KDDI in Japan. Show less

Led a team of Field Engineers and installers during phase I of Lucent’s first CDMA project in the country. 166 Autoplex Base Stations were installed and the first cluster of 66 was commissioned into service providing coverage for Mexico City’s financial district, and surrounding residential areas with a population of 6 million people.Coordinated BTS functional tests between field deployment engineers, drive test and RF optimization teams to guarantee proper RF coverage, call… Show more Led a team of Field Engineers and installers during phase I of Lucent’s first CDMA project in the country. 166 Autoplex Base Stations were installed and the first cluster of 66 was commissioned into service providing coverage for Mexico City’s financial district, and surrounding residential areas with a population of 6 million people.Coordinated BTS functional tests between field deployment engineers, drive test and RF optimization teams to guarantee proper RF coverage, call processing and base station integrity before introduction to commercial service; ensuring a successful service to mobile customers.Managed the assignment of vehicles, tools, test equipment and availability of enough spares for installation and engineering teams and made certain implementation schedule was met and Acceptance Test Procedures were approved by the customer. Show less

Guadalajara Area, Mexico

Installed and commissioned over 100 analog cell sites, 5 mobile switches and ancillary equipment covering more than 30 cities, over 40% of the Mexican territory and across 5 countries in Latin America.Performed full hardware installation of cell sites and switch frames, batteries, power rectifiers, channel banks. Executed test procedures for customer acceptance, software and network upgrades and expansions, day to day operational support and training for customers and… Show more Installed and commissioned over 100 analog cell sites, 5 mobile switches and ancillary equipment covering more than 30 cities, over 40% of the Mexican territory and across 5 countries in Latin America.Performed full hardware installation of cell sites and switch frames, batteries, power rectifiers, channel banks. Executed test procedures for customer acceptance, software and network upgrades and expansions, day to day operational support and training for customers and co-workers.Supervised a team of Motorola Field Engineers and contractors for the successful deployment and commercial launch of Motorola’s cellular infrastructure in Monterrey, the 3rd largest city in Mexico with a population of 5 million people.Deployed the first 2 commercial CDMA networks in Mexico in Monterrey and Tijuana, performing commissioning, RF drive testing and optimization. Show less

Bachelor Of Science, Communications And Electronics Engineerign

High School Diploma, Preparatoria

Education record