Luis Silva

Global RAN manager and Solution Architect @Digicel Group

Fitness CoachGym Owner✔️ IT🧑‍🔬 Engineer🧨 ConsultingCoach🏐 SportsElectrical engineerProduct ManagerProject ManagerComputer engineerBusiness AnalystData ScientistData EngineerAthleteBI Analyst

With 10+ years of experience, as the Global Solution Architect and RAN manager at Digicel Group, I have been responsible for the design and implementation of network solutions to meet the company's business requirements. I ensure the smooth operation of radio access networks (RAN) and works on the development and execution of strategic plans to enhance network performance. My role also involves coordinating with different teams to manage network issues and ensure optimal network performance. My expertise in telecommunications and network architecture is crucial in driving Digicel's mission to deliver best-in-class network solutions to its customers.

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Work Background

Digicel GroupGlobal RAN Engineering Manager

Apr. 2019JamaicaResponsible for the Radio Network design, planning, optimization and upper management results reports presentations during deployment of 5G NR networks, LTE, VoLTE, UMTS and GSM for +670K subscribers in 32 markets (Countries) Caribbean, Central America and Pacific Islands. Leader rollout to support network evolution to meet growing subscriber demand, analyzing coverage, low capacity and low throughput sites. Developed alternatives to recommend and implement the most economical solution to meet organizational objectives regarding network expansion. Outstanding Projects  5G NR Network Rollout Cayman Island – Ericsson  MAKO 2.0 Project - SWAP Ericsson to Huawei/ZTE/Nokia (+2000 Sites)  Network Expansion End to End solution – LTE Multicarrier Deployment Highlights • 5G NR/ VoLTE RF parameters Design & Trials, Features, Execute testing and Road map rollout. • Performance KPI reports presentation and Strategic meetings in Jamaica HQ with Digicel Global CTO • Analytics reports alongside Network Performance Quality (NPQ) team for the best network growth • Engage and boost Business Support System (BSS) to drive financial revenues and business cases across the company. • LTE Cell planning using ATOLL, deployment and Capacity Planning Multi Carrier Network Design Strategy • Network optimization with parameters and feature implementation to improve performance KPI’s and user experience. • Baseline set up for entire Mobility Strategy GUL, Load balancing algorithms, reselection thresholds and Handover events. • Re-farming to decrease GSM spectrum and Turn On LTE and 5G Carriers (994 sites)

Digicel GroupSenior Radio Frequency Engineer

Sep. 2018 - Mar. 2019DominicaMako and Step In project: Swap GUL E///- ZTE • LTE/VoLTE Networks deployment with Carrier Aggregation strategy. • LTE Advance new Carriers planning. • Radio frequency optimization of GSM, UMTS HSPA+ (Multi-Carrier) And LTE ZTE Networks. • 3G Networks Carriers activation • GSM Retuning & Refarming planing and configuration. • Drive Test coordinator • Features implementation • Accessibility and retainability network optimization based on performance KPI’s and traffic distribution, including physical changes, overshooting analysis, CE capacity, power distribution, load balancing algorithms, Directed Retry and Call Admission Control parameters optimization, neighbors and HO optimizations (Inter & Intra frequency, IRAT). • Network configuration and optimization using Managing Mobile Network Software such as NetNumen • Periodic presentations of performance and quality of service for GSM, UMTS and LTE networks in order to ensure a plan in place to improve KPIs and user experience

ZTE EnterpriseSenior Network Engineer

Aug. 2015 - Aug. 2017Venezuela · On-siteManaged the network for Telefonica, Movilnet and Digicel. Problem Solving on Customer-reported issues/CSRs. Deliver Remedy/Resolution and analysis for the Radio Domain (RAN). Providing RFP/RFI Response for all operators. Outstanding experience in preparing responses to Requests for Proposals (RFPs) or Requests for Information (RFIs), BOQ/BOM, Business cases and add-on sales opportunities,:  Telefonica Consulting Project - 3G/4G  Movilnet 187 GUM Project - SWAP 2G/3G/4G (GUL) Ericsson to ZTE - (438 Sites)  Digitel P9 Project - 2nd carrier UMTS Expansion Highlights • Feature Trials, analyze requirements document test cases and rollout with Upper Management Results presentations. • Sales GUL solutions, Network optimization projects and traffic segmentation with Layering Strategy. • Perform lab and field configuration related to feature testing. • GSM Frequency plan and PSC / PCI / PRACH / Root sequence planning using EFO / Atoll • Troubleshooting, signalling traces and UE Log Analysis.

TelefónicaSenior Radio Frequency Engineer

Mar. 2013 - Jul. 2015VenezuelaPlanned and optimized E///, Nokia, Huawei and ZTE networks, maximizing coverage and capacity in high traffic areas. Defined capacity new sites plan and augmentation plan according to traffic trends, hot spot areas, coverage needs and commercial requirements. Projects:  HUAWEI RAN / eRAN Solution GUL (2G/3G/4G) Deployment and optimization (413 sites)  Nokia NSN and Ericsson (E///) optimization Highlights • LTE indoor solutions Design and Penetration Planning including but not limited to Train Stations and Events Arenas. • KPIs worst offenders analysis, Physical Optimization over Terrain & topology study for different cell placements. • Responsible for RAN SQL database access and RF management systems. • Developed tool for nodes B rehoming and RNC resources balance for Huawei network, reducing OPEX budget. • Feature Troubleshoot, document and track defects. Prepare and present progress report

TelefónicaJunior RF Engineer

Mar. 2012 - Dec. 2012VenezuelaDevelop and Automatization of national RAN database(SQL) with planning and optimization tools. • DevOps of Neighbors Auditory and Optimization Software for GSM / UMTS (Dual Band / Multi Carrier - Multi Vendor Ericsson, Nokia, Huawei and ZTE) • Automation projects, Java and Visual Basic programming, and RF Database migration Microsoft Access to MYSQL

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