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Work Background
Coassist LtdaIT Specialist
Feb. 2014Medellin, Colombia · HybridCoassist is a company in charge of selling insurance to all the people in Colombia via phone marketing campaigns. I am in charge of developing custom solutions for the call center software to enhance productivity and sales. Also implementing network infrastructure solutions to enhance and optimize security ( confidentiality, availability, and integrity).
Build, test, and deploy a scalable OpenStack Private Cloud environment. Openstack is a private cloud platform similar to Azure or Vmware, it is used by Rackspacke and Nasa. www.openstack.org
Manage OpenStack infrastructure upgrades, expansion, scaling, troubleshooting, and debugging for our call center virtual servers on the most challenging, complex environments
Private cloud included 4 physical server and 20 virtual machines, including virtual networks and connectivity to telcos sip networks and other company physical network.
Ceiba Software House S.A.S.Development Engineer
Feb. 2013 - Feb. 2014Medellin, Antioquia ColombiaAnalyze, design and develop software following the process defined in the company and meeting all quality standards, policies and procedures of the company.
Technologies used: Scrum, J2EE, Oracle Application Server, Oracle Database, JSP, JSF, GWT, Eclipse
Sapian S.A.Ingeniero de Proyectos
Aug. 2010 - Feb. 2013Implement telecomunications solutions from small to medium size based on sip and asterisk.
In charge also of implementing CRM solutions based on sugar crm.
Unified Communications and Unified Computing Systems Configuring call control protocols on Voice Gateways H.323, SIP.
Installation & Configuration of asterisk servers & Voice Gateways
Coordinating with different Service Providers for Voice trunk connectivity issues
Troubleshooting DB Replication issues.
Recreate customer networks for engineering and troubleshooting.
Packet-level troubleshooting experience with Wireshark.
Troubleshooting problems related to UCS
Livevox IncVoIP Communications Eng.
Jan. 2009 - Nov. 2009I am working as an IP telephony engineer, I was in charge of tracking down problems with the sip calls made to our providers and providing evidence and/or solving it. Also, I was in charge of monitoring the performance of our platform which is a High Availability platform with over 32 machines. It handled the traffic of over 7 million calls a month.
Technical Support for LAN/WAN Operations
First level support for equipment, configuration, software related to Voice/WAN connectivity
First level support for proxies, firewalls as they affect Country Office connectivity, including consulting support for local ICT infrastructure configuration.
Service monitoring as per procedures supplied.
Respond to alerts received from monitoring systems
IndependentEngineer
Dec. 2008 - Apr. 2011Freelance: , 2008 - 2009
I was working as a freelance IT consultant. Some of my clients are: Sure Computers, CYSDINPRO S.A., Bancasa S.A., Marquillas S.A., Siemex CTP S.A., Integración S.A., Future Soluciones S.A.
I implemented networking solutions, like firewalls, special routing rules, proxy, and telephone solutions based on asterisk.
Fluidsignal, currently known as Fluid AttacksProject Engineer
Jan. 2003 - Dec. 2006Medellin, Colombia · On-siteI worked doing ethical hacking penetration tests, using available tools such as nessus, retina, and creativity from my own knowledge. Also implementing security and networking solutions in order to reduce risk and threads on customers networks and servers.
CRP SResearch and Development Director
Jan. 2001 - Jan. 20032nd Experience as an entrepreneur. In charge of leading the development of a CRM
Software platform. It was selled as an ASP application (For rent). Other products developed included an email marketing campaign manager and a contact center predictive dialer developed in rails.I was in charge of a team of 5 developers and was in charge of QA testing of the applications.
Fluidsignal Group S.A., 2003 - 2006
Charge: Project's engineer. My responsibilities included the implementation of
secure network infrastructures, penetration testings, Network Infrastructure
auditing. Outsourcing of network administration services.
I worked on projects done to high profile local customers such as
DPI SResearch and Development Director
Jan. 1999 - Jan. 20011st experience as an entrepreneur. I was in charge of remote hosts administration the
network was UNIX based. I was also in charge of developing a portal of the automotive
sector with phpnuke and developing some customizations.
Ascinsa SWebmaster
Jan. 1996 - Jan. 1998
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