Edgar Duvan Leon Fonseca
IT Support Professional
Professional profile
Telecommunications Engineer with over 8 years of experience in IT operations, Level 2/Level 3 support, incident management, observability, and operational security in financial and corporate environments. Expert in AWS, Elastic/Kibana, Grafana, SQL Server, microservices, and REST APIs, with experience leading teams and adhering to ISO 27001, ITIL, and agile methodologies.
Work experience
Responsible for Cloud Infrastructure and Observability in AWS, proactive monitoring with CloudWatch, Grafana, Kibana and New Relic, ticket management, N1/N2 technical support under ITIL, SQL Server database analysis, RCA leadership and postmortems.
Major achievement80% reduction in HTTP 429 errors by optimizing throttling and retry strategies in payroll distribution microservices.
Operation and support of web applications, design and implementation of ETL in Flytxt, testing of APIs and microservices, coordination with OpenShift and Middleware teams, analysis of logs and metrics, ISO 27001 assurance and compliance with KPIs under ITIL and Agile.
Major achievementAutomation of 90% of statistical processes and leadership in the adoption of Scrum, increasing stability and operational efficiency.
Support and operation of web applications, monitoring of Jobs and ETLs, advanced management of SPs, Jobs, ETLs and SQL queries (SQL Server/MySQL), creation of scripts in Reporting Services, coordination with development and suppliers.
Major achievement80% optimization in report generation and 95% stabilization of the TSI application through root cause analysis.
Education experience
Universidad cooperativa de colombia | Undergraduate
