David Serra

Experience

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  Autónomo

  Jan 2011 - Jan 2014

  Independent technician

  Works Performed Independently:- Made of internal networks in offices.- Sale and assembly of computer equipment.- Repair of electrical appliances- Jr programmer

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  Iplan Telecommunications

  Jan 2014 - May 2015

  Installation and Maintenance Technician

  Installation and Maintenance (Identification, diagnosis, analysis and solution of technical problems) of networks:- Copper wiring:Armed copper networks.I work in Real Nodes and Virtual Nodes.Configuration of copper network equipment (Telephony and Internet).- Optical fiber:OF Network ArmingConnector and network assembly either FTTH or GPONMeasurements with different FO equipment

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  SES Sistemas Electrónicos S.A.

  Jul 2015 - Feb 2016

  NOC Analyst

  Main works:- Attention and technical support to corporate clients- Diagnosis and solution of technical incidents- Maintenance Coordination in client sites and nodes- On-site technical support- Proactive monitoring of services.- Detection and diagnosis of general incidents- Case recidivism analysis- Optimization of servicesConfiguration and troubleshooting of the following platforms:- Huawei - Cisco - Alvarion - Nera - Ubiquiti - Witelcom - Canopy - iDirect - Comtech - Micronet - Centrales Telefonicas - UPS - Firewalls - Welltech Mostrar menos

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  Claro Argentina

  Feb 2016 - Jan 2017

  NOC Analyst

  Function: Ensure the quality of the services provided by solving in the shortest possible time any incident that affects our corporate clients.Summary of works:- Provide attention and technical support to our corporate clients by diagnosing and solving the failures reported by them- Management of technical field personnel either in tasks within our corporate clients, as in tasks within our nodes.- Detect and diagnose incidents that affect our network in bulk- Configuration and Troubleshooting of the following technologies: Wimax D, E and 4Motion, WLL, LMDS, PointToPoint Radios Huawei and Alcatel, X25, PointToMultipoint Radios, PointToPoint Radios, ADSL, SDH, GPON, HFC, ATM, PDH, MetroEthernet and Telefonia ( Nokia IMS, Huawei NGN, AXE Ericsson).- Devices: Canopy, SR Telecom, Huawei, Alavarion, Alcatel, Nortel, Lucent, Newbridge, AudioCodes, UTSarcom, Mediatrix, Nokia IMS, Siemens, ZTE. Mostrar menos

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  Mercado Libre

  May 2017 - now

  Function: Guarantee the correct functioning of the Site, acting proactively in the shortest possible time in order to reduce the impact caused on the company.Summary :- Development of small projects and task automation in Python, JavaScript and GoogleApps Script.- Carry out proactive monitoring on the equipment that make up the network (Routers, Switches, Firewalls, Database, etc.)- Verify the correct functioning of the Mercadolibre and Mercadopago site in all the countries where it operates.- Guarantee the correct functioning of the equipment and core metrics through the use of tools such as DataDog, NewRelic, Zenoss, SiteSope, Logicmonitor among others.- Track each incident using tools such as Service-Desk, Slack, SAP, OpsGenie and Intercom.- Monitor the AWS, TASA, Level 3, CenturyLink and Savvis links and act in case of verifying failures in them. Mostrar menos

  • Fraud Prevention SSr Analyst

    Feb 2023 - now

  • Fraud Prevention Analyst

    Jan 2022 - Jan 2023

  • SRE Analyst

    Feb 2020 - Jan 2022

  • NOC Engineer

    May 2017 - Feb 2020