Summary
Overview
Work History
Education
Skills
Certification
Timeline
CustomerServiceRepresentative
OSCAR SEPULVEDA

OSCAR SEPULVEDA

SYSTEM ENGINEER
Medellin,ANT

Summary

Systems engineer with +15 years of experience in infrastructure development, software development and cloud computing platforms (AWS, GCE), quality/service-oriented, recursive, analytical, self-critical and responsible.

Overview

18
18
years of professional experience
8
8
years of post-secondary education
1
1
Certification

Work History

Project Manager

RED DE COMERCIALIZACIÓN S.A.S
Medellin, Colombia
02.2020 - Current
  • Developed and initiated projects, managed costs and monitored performance.
  • Updated operational methods and oversaw accounting procedures for improved efficiency.
  • Proposed and implemented system enhancements to improve performance and reliability of storage environment.
  • Led project teams through design, construction and launch process.
  • Resolved trouble tickets to reduce backlog.
  • Managed backup and disaster recovery through strict data control and retention policies, personally handling recovery tasks when issues arose.
  • Resolved vulnerabilities by making improvements to network security.
  • Tuned system performance to optimize efficacy of new and existing hardware components.
  • Diagnosed and executed resolution for network and server issues.
  • Implemented, developed and tested installation and update of file servers and application servers.
  • Monitored networks and network devices to resolve technical problems quickly.
  • Planned, coded and deployed web-based applications using PHP, MySQL and JavaScript.
  • Performed troubleshooting of technical issues within production environment.
  • Configured and deployed existing and future REST APIs, integrating with third-party APIs.
  • Modified and tested existing MySQL database schemas.
  • Utilized RDBMS tools and utilities to monitor, tune and optimize system performance.
  • Developed scripts and processes for data integration and maintenance.
  • Used metrics to monitor application and infrastructure performance.
  • Built and maintained network infrastructure consisting of Windows, Linux and virtual products.
  • Managed installation, upgrade and deployment projects in AWS and Google Cloud Engine.
  • Support to infrastructure +1500000 transactions/month
  • Provided 3rd level technical support and troubleshooting to internal and external clients.
  • Built and maintained network infrastructure consisting of Linux and virtual products.

Project Manager

INVERSIONES WINRED S.A.S
MEDELLIN, ANTIOQUIA
09.2013 - 01.2020
  • Created and serviced administrator and user accounts on Linux-based systems, managing application deployments.
  • Reviewed existing systems and made recommendations for improvements.
  • Identified, analyzed and resolved infrastructure vulnerabilities and application deployment issues.
  • Provided 3rd level technical support and troubleshooting to internal and external clients.
  • Built and maintained network infrastructure consisting of Linux and virtual products.
  • Planned website development, converting mockups into usable web presence with Java, PHP, HTML and JavaScript coding.

CIO

LOTERÍA DE MEDELLIN
MEDELLIN, ANTIOQUIA
05.2008 - 08.2013
  • Created long-range IT plan to support projected growth and requirements for added capacity.
  • Configured and implemented IT initiatives to produce measurable business value.
  • Developed and led large-scale technology initiatives for long-term strategic plans and solutions.
  • Determined best methods for IT to support key business objectives.
  • Resolved workflow issues to optimize team productivity and improve delivery times.
  • Created and serviced administrator and user accounts on Linux-based systems.
  • Designed disaster recovery systems, enabling continuity in event of power outages.

System Analyst

SURA GROUP
MEDELLIN, ANTIOQUIA
03.2003 - 04.2007
  • Planned computer systems using information engineering and structured analysis.
  • Conducted system analysis and implementation to maintain and improve computer systems.
  • Performed system analysis, documentation, testing, implementation and user support for platform transitions.
  • Created and serviced administrator and user accounts on Linux-based systems and UNIX (AIX).
  • Planned website development, converting mockups into usable web presence with Java, PHP, HTML and JavaScript coding.
  • Managed infrastructure for +5000 users.

Education

System Information Specialist

UNIVERSIDAD EAFIT
MEDELLIN
07.2005 - 12.2007

SYSTEM ENGINEER

UNIVERSIDAD DE ANTIOQUIA
MEDELLIN
1999.03 - 2004.10

Skills

Functional & Business Requirements

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Certification

Itil V3 Foundations

Timeline

Project Manager

RED DE COMERCIALIZACIÓN S.A.S
02.2020 - Current

Project Manager

INVERSIONES WINRED S.A.S
09.2013 - 01.2020

Itil V3 Foundations

08-2011

CIO

LOTERÍA DE MEDELLIN
05.2008 - 08.2013

System Information Specialist

UNIVERSIDAD EAFIT
07.2005 - 12.2007

System Analyst

SURA GROUP
03.2003 - 04.2007

SYSTEM ENGINEER

UNIVERSIDAD DE ANTIOQUIA
1999.03 - 2004.10

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