RAMIRO ALFONSO ARIAS LÓPEZ

Mobile: (+**) 9-11-556*****

WhatsApp: (+56) 9 69091607

Email: ac1chk@r.postjobfree.com

PROFESSIONAL PROFILE

15+ Years Experienced RAN Performance and Optimization Consultant, strong ability to analyze system statistics/indicators, identifying causes and actions in order to achieve network quality targets. Excellent interpersonal and communication Skills.

EXPERIENCE

Aug. 2016. - Present

Company:

Nokia Networks

Buenos Aires - Argentina

Charge:

Senior RF Consultant, Team Leader

Telecom Personal Network Modernization Project

Projects and Responsibilities:

GSM/WCDMA/LTE Network Performance Analysis and Optimization for Modernization sites.

Customer Final report generation for approval

Routines and process definition with project management

Resources and task distribution for delivery process

Summary and executive reporting for customer and project management

Apr. 2016 – Aug. 2016

Company:

F1 Services & Solutions

Santiago - Chile

Charge:

Senior RF Consultant, Technical Trainer

Projects and Responsibilities:

WCDMA/LTE Network Performance Analysis and Optimization Support and Training.

Network supervision and analysis tools definition support

Worst cells identification process definition

Periodical network performance reports and audits

Specific optimization processes routines definition

Nov. 2011-Apr. 2016

Company:

Ericsson

Santiago - Chile

Charge:

RF Expert/CNS Engineer – RAN Technical Advisor for WDMA and LTE

Ericsson – Entel PCS WCDMA/LTE networks

Projects and Responsibilities:

Entel WCDMA/LTE Network Performance Analysis and Optimization Support RAN Releases: W11-W15, L13-L15

Detailed Key Performance Indicators (KPI’s) analysis and troubleshooting

Worst cells identification and reporting (network ranking)

Executive performance presentation with KPIs trends, recommendations and cases analysis

Specific optimization processes, tools and routines definition

Coordinating activities with the Project management and O&M areas

Provide Network improvement recommendations

RNC/NodeB/ERBS parameter consistency check

RNC/NodeB/ERBS tracing & troubleshooting

Daily/hourly KPIs monitoring to identify and contain performance degradation

Apr. 2007-Oct. 2011

Company:

Ericsson

Sao Paulo - Brasil

Charge:

WCDMA/GSM Senior RF Consultant – Technical Advisor

Ericsson – Vivo WCDMA/GSM Project, BRT/Oi WCDMA/GSM Project

Projects and Responsibilities:

Vivo WCDMA Network Performance Analysis and Optimization RAN Releases: P5-P6-P7-W10

Technical advice and support for RF Sao Paulo Interior area

Detailed Key Performance Indicatros (KPI’s) analysis and troubleshooting

Drive Test analysis

Worst cells identification

Implementation of corrective actions

Create periodical network performance reports

Specific optimization processes and routines definition

Coordinating activities with the Project management

Provide Network improvement recommendations

RNC/NodeB parameter consistency check

RNC/NodeB tracing & troubleshooting

Initial tuning and single site verification drive test analysis and reporting

Vivo WCDMA Network design, TCPU nominal planning – site selection

Vivo GSM Network Performance Analysis and Optimization BSS Release 12, Release 06A, G12A, pay as growth contract technical definition support

Jul. 2006-Aug. 2006

Company:

Siemens S.A.

Quito, Ecuador

Charge:

GSM Senior RF Engineer – Team leader

Projects and Responsibilities:

Network quality monitoring for for Telefonica Moviles Ecuador GSM network.

Statistical analysis for voice and GPRS data KPI’s (BR8)

Providing analysis and recommendations

Create periodical activities report

Perform all activities of an RF design engineer in key areas of the project

Coordinating activities with the Project manager

GSM Frequency Planning task using Siemens Tornado N Propagation Tool. Site Database Export and Consistency Check

Optimization procedures: Drive test analysis (Comarco Seven.Five and NetQual), statistical analysis (Spots and Anatom)

Mar. 2005 – Mar. 2006

Company:

Siemens S.A.

Quito, Ecuador

Charge:

GSM Senior RF Engineer, Sierra Region RF Planning and Optimization Team Leader

Projects and Responsibilities:

Network Planning for Telefonica Moviles Ecuador GSM Project

Telefonica Moviles Ecuador RFP radio planning dimensioning

GSM RF Network Planning activities:

Organization and distribution of specific field and office tasks

Providing analysis and recommendations

Create periodical activities report

Perform all activities of an RF design engineer in key areas of the project

Coordinating activities with the Project manager

Performing of statistical analysis for KPI’s (BR7/BR8)

GSM Frequency Planning task using Siemens Tornado N Propagation Tool. Site Database Export and Consistency Check

Optimization procedures: Drive test analysis (Comarco Seven.Five and NetQual), statistical analysis (Anatom)

Network acceptance process with Verification and Objectives Documents issuing

Siemens - TEM Peru technical contract documentation definition, KPI’s negotiation with customer management

Jun. 2003 – Feb. 2005

Company:

Siemens S.A.

Bogota, Colombia

Charge:

GSM Senior RF Engineer, South West Region Optimization Team Leader

Projects and Responsibilities:

RF GSM Team Leader for Colombia Movil South West Region project

Network Planning for ColombiaMovil PCS 1900 Project

Telefonica Moviles Ecuador RFP radio planning dimensioning

GSM RF Network Planning activities:

Organization and distribution of specific field and office tasks

Providing analysis and recommendations

Create periodical activities report

Perform all activities of an RF design engineer in key areas of the project

Coordinating activities with the Project manager

Performing of statistical analysis (BR6 BR7)

GSM Frequency Planning task using Siemens Tornado Propagation Tool. Site Database Export and Consistency Check

Optimization procedures: Drive test analysis (Comarco Seven.Five and NetQual), statistical analysis (Anatom)

Network acceptance process with Verification and Objectives Documents issuing

Telefonica España Moviles Ecuador RFP radio planning dimensioning and technical documentation for proposal

Jan. 2003 – Jun. 2003

Company:

Tekmark Global Solutions

NJ, USA

Charge:

GSM RF Engineer

Projects and Responsibilities:

Ericsson Mexico

Telcel GSM 1900 Project

RF Technical Review Approval

Antenna Shadowing and RF outdoor configuration troubleshooting

RF Procedures: Cell Planning & Design (TEMS Cell Planner – propagation tool), system Integration and Optimization by Dive Test (TEMS Investigation GSM - test and optimization tool), statistics analysis - Telcel Region 2 Network (Sonora and Sinaloa States)

Nov. 2001 – Dec. 2002

Company:

Data Work Force

Dallas, USA

Charge:

GSM RF Engineer

Projects and Responsibilities:

Ericsson Mexico

Telcel GSM 1900 Project

RF Technical Review Approval

Antenna Shadowing and RF outdoor configuration troubleshooting

RF Procedures: Cell Planning & Design (TEMS Cell Planner – propagation tool).

Aug. 2000 – Sep. 2001

Company:

Metapath Software International - MSI

Dallas, USA

Charge:

Staff Consultant

Projects and Responsibilities:

Ericsson Mexico:

Telcel 1900 PCS Project

RF Procedures: Cell Planning (PLANET EET- Propagation Tool), Design, system Integration and Optimization by Dive Test (TEMS Investigation - Test and Optimization tool)

Telcel GSM 1900 Project

GSM site candidates site survey and approval (TEMS Cell Planner – propagation tool)

Jan. 1998 – Aug. 2000

Company:

OCCEL S.A. Cali, Colombia

D-AMPS - A-Band Cellular Service Provider in West region of Colombia

Charge:

Cellular System Installation Engineer (Jan 1998 – Aug 1999)

Transmission and Maintenance Engineer (Aug 1999 – Jan 2000)

RF Design and Optimization Engineer (Jan 2000 – Aug 2000)

Responsibilities:

Cell Site Installation and Commissioning Supervision

Installation services contractor audit (Antennas&Transmission lines)

Implementation Procedures planning

Extend a Cell EAC 2000 installation and operation

Ericsson, MNI and Alcatel microwaves installation

Cellular System Supervision and Maintenance

RF design and cellular system optimization, site survey and new sites RF approval

Cell planning procedures (PLANET - propagation tool)

EDUCATION AND TRAINING

1992-1997

UNIVERSIDAD DEL CAUCA. Popayán, Colombia

Professional Degree in Electronic and Telecommunications Engineering.

February 1998

NORTEL CCM MAP NAVIGATION TOOLS

Occel S.A.

Medellin, Colombia

November 1998

NORTEL CELL SITE INSTALLATION AND COMMISSIONING

NORTEL (With Certificate of compliance)

Cali, Colombia

November 1999

ALCATEL 9400LX MICROWAVES RADIO OPERATION AND MAINTENANCE

ALCATEL (With Certificate of compliance)

Medellín, Colombia

December 2001

ERICSSON RF ENGINEERING TDMA – GSM DELTA

Ericsson Mexico (With Certificate of compliance)

Mexico City, Mexico

June 2006

UMTS/WCDMA OVERVIEW

QUALCOMM UMTS University

San Diego, USA

June 2006

UMTS/WCDMA PHYSICAL LAYER

QUALCOMM UMTS University

San Diego, USA

June 2006

UMTS/WCDMA RADIO INTERFACE PROTOCOLS

QUALCOMM UMTS University

San Diego, USA

Dec 2012

LTE RADIO INTERFACE

QUALCOMM UMTS University

San Diego, USA

Nov 2013

LTE KPI Troubleshooting

APIS

Madrid, Spain

SKILLS

SYSTEMS

Nokia LTE/WCDMA/GSM OSS Netact Tools

Netchart Configuration and Performance Tool

Ericsson LTE/WCMDA/GSM OSS-RC

Moshell command tool for LTE/WCDMA

SQL and Sybase

Business Objects

ISP Toolkit (ITK)

Perl

Winfiol

MapInfo

Mapbasic

TEM Cell Planner Universal

TEMS Visualization

TEMS Investigation

SIEMENS TORNADO N PROPAGATION TOOL

ASSET PROPAGATION TOOL

PLANET Propagation Tool (MSI)

ANATOM Siemens statistical analysis tool

SPOTS Siemens statistical analysis tool

COMARCO Drive Tests equipment (Seven.Five SW)

NETQUAL NQDI Drive Tests Analysis Tool

EET Propagation Tool (Ericsson)

TEMS Cell Planner (Ericsson)

GPS, Compass

IFR-600 CELL Site Test

HP-8920 Cell Site Test

HP Spectrum Analyzer

HP Datacom

ANT-20

BIRD Transmission Line Testers

ELMI PCM Bert Meter

Several computer operation and maintenance tools

Office software: Word, Excel, Visual Basic, Access, Power Point, Project, Corel Draw

LANGUAGE

Spanish: 100 %

English: 80%

Portuguese: 80%

ADITIONAL INFORMATION

CITIZENSHIP

Colombian

DATE OF BIRTHDAY

December 6Th, 1974

CIVIL CONDITION

Married

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