Summary
Overview
Work History
Education
Skills
Identification Card
Military Card
Neighborhood
Professional Card
References
Work References
Personal Information
Languages
Timeline
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Yefer Alexander Martínez Aranda

Yefer Alexander Martínez Aranda

Bogotá,Colombia

Summary

Technical Support Specialist experienced in data center operations and remote support. Delivered effective troubleshooting and maintenance solutions for hardware including PCs, printers, and scanners through expertise in fiber optics and UTP cabling. Facilitated efficient inventory management and ticketing processes using Office Excel and ServiceNow, ensuring clear communication with American clients.

Overview

15
15
years of professional experience

Work History

Platform Analyst

INTERNEXA
Bogotá
02.2023 - Current
  • Troubleshot and resolved remote issues for Twitch and AWS clients involving tagged fibers and UTP cabling, ensuring reliable connectivity.
  • Bosses: John Henry Leal - William Brito.
  • Phone numbers: 3138921004 - 3003259543.

GTI Support Analyst – Datacenter Operator - Junior Infrastructure Engineer

ARUS - ADECCO - INDRA
Bogotá
09.2018 - 01.2023
  • Be responsible for monitoring assigned technical rooms and their installed hardware inside the racks which I have in charge from Titanium Data Center that belongs to the Tigo company. Report detected alarms that I identify to the assigned personnel. To manage hardware that enters the technical rooms. Audit the roles of the people in charge of working inside their respective racks and document their results on the Service Desk tool. Perform remote hands needed for the detection of errors and malfunctions related to the required hardware validating connectivity and alarms and deploy the necessary cabling with the objective of solving these setbacks. To manage the inventory related to the hardware assigned to myself and materials used to elaborate the necessary cabling for the requirements of the normal datacenter operation and to document said inventory in their respective Service Desk databases which is called CMDB.
  • Boss: Jorge Palacio.
  • Phone numbers: 3016311722 – 3014289994.
  • Timelapse: 9th September 2018 – 12th May of 2019, with the Arus company.
  • 13th May 2019 – 30th November of 2021, with the Adecco company.
  • 1st December of 2021 - 31st January of 2023.

Desktop Support Technician

FREELANCE
Bogotá
07.2011 - 12.2018
  • Diagnosed and resolved desktop-related problems efficiently.
  • Resolved user issues with daily computer operations, implementing configurations to ensure proper equipment functionality and prevent recurring problems.
  • Provided technical support to clients for software and hardware issues.
  • Installed and configured operating systems and applications for users.

Support Technician

THOMAS MTI
09.2014 - 09.2018
  • Managed GLPI service desk to resolve user issues with Windows 7 and 10 PCs, Canon and Fujitsu scanners, and Kyocera and Zebra laser printers; configured hardware and installed software and proprietary applications to ensure operational continuity.
  • Bosses: Andrés Guasgüita – Jully Herrera.
  • Phone numbers: 3175120497 – 3759270 Ext 13302.

Back Office Typist

CHAMELEON COMUNICACIONES MÓVILES
Bogotá
02.2013 - 04.2014
  • Managed consolidated databases of unavailable clients, recorded annotations in AS platform detailing reasons for contact issues and support provided to restore services.
  • Boss: Fanny Rodríguez.
  • Phone numbers: 3185070977 - 7446000.

Technical Support Agent

PEOPLE CONTACT - Telmex
Bogota
02.2012 - 04.2012
  • Registered information on technical visits by Telmex technicians, focusing on restored services and installed hardware; processed hardware changes for modems and decoders in the system and managed restorations and supplied services.
  • Boss: Karina Téllez.
  • Phone numbers: 3125901244 - 6078382 - 3211093.

Education

Courses NSE Network Security Associate 1 to 4 -

Fortinet
Bogotá
03.2025 - 03.2025

Certificate Red Hat Sales Engineer Specialist ROSA and Red Hat and AWS Solutions -

Red Hat
Bogotá
03.2023 - 03.2023

Certificate AWS Partnet Foundation Business -

Amazon
Bogotá
03.2023 - 03.2023

Capacitación Servidores Dell EMC Poweredge R740 -

Green Services and Solutions S.A.S.
Bogotá
01.2020 - 01.2020

Systems Engineer -

Universidad Cooperativa de Colombia
Bogotá, Cundinamarca

Diplomado niveles 1 y 3 de Cisco CCENT -

Escuela Colombiana de Ingenieros y Universidad Cooperativa de Colombia
Bogotá, Cundinamarca

Allworx Technical Training Course -

Sede Social Universidad Cooperativa 1er Piso
Bogotá, Cundinamarca

Técnico con Especialidad en Diseño Gráfico -

Instituto Tecnológico del sur
Bogotá, Cundinamarca

Básica Primaria -

Colegio la Presentación
Bogotá, Cundinamarca

Skills

  • Data analysis
  • Digital proficiency
  • Research skills
  • Problem-solving
  • Time management
  • Adaptability
  • Self-discipline
  • Strong written communication

Identification Card

1.033.701.198

Military Card

1.033.701.198

Neighborhood

Fátima (Tunjuelito)

Professional Card

25255-257726-CND

References

  • Marco Antonio Martinez Daza, CASUR Pensionary, 3133468257
  • Sandra Patricia Martinez Aranda, Homecenter Sales Boss, 3188623940
  • Raquel Aranda García, ARQ Ltda File Assistant, 3174018494

Work References

  • Andrés Ruiz, 3124649885
  • Mariela Otálvaro, 3057173410
  • Mauricio Penagos, 3152422348

Personal Information

  • Age: 36
  • Date of Birth: 09/06/88

Languages

Spanish
First Language
English
Advanced
C1

Timeline

Courses NSE Network Security Associate 1 to 4 -

Fortinet
03.2025 - 03.2025

Certificate Red Hat Sales Engineer Specialist ROSA and Red Hat and AWS Solutions -

Red Hat
03.2023 - 03.2023

Certificate AWS Partnet Foundation Business -

Amazon
03.2023 - 03.2023

Platform Analyst

INTERNEXA
02.2023 - Current

Capacitación Servidores Dell EMC Poweredge R740 -

Green Services and Solutions S.A.S.
01.2020 - 01.2020

GTI Support Analyst – Datacenter Operator - Junior Infrastructure Engineer

ARUS - ADECCO - INDRA
09.2018 - 01.2023

Support Technician

THOMAS MTI
09.2014 - 09.2018

Back Office Typist

CHAMELEON COMUNICACIONES MÓVILES
02.2013 - 04.2014

Technical Support Agent

PEOPLE CONTACT - Telmex
02.2012 - 04.2012

Desktop Support Technician

FREELANCE
07.2011 - 12.2018

Systems Engineer -

Universidad Cooperativa de Colombia

Diplomado niveles 1 y 3 de Cisco CCENT -

Escuela Colombiana de Ingenieros y Universidad Cooperativa de Colombia

Allworx Technical Training Course -

Sede Social Universidad Cooperativa 1er Piso

Técnico con Especialidad en Diseño Gráfico -

Instituto Tecnológico del sur

Básica Primaria -

Colegio la Presentación
Yefer Alexander Martínez Aranda