Network Administrator Technician

I troubleshoot server performance issues involving CPU, memory, disk I/O, and network resources across Unix and Windows environments.

I create, extend, and maintain LVM components, including physical volumes, volume groups, and logical volumes. I perform filesystem expansion, disk provisioning, storage capacity management, password resets, tablespace monitoring, and database lock resolution.

I monitor cloud and on-premises infrastructure with Splunk, Zabbix, Grafana, and CloudWatch. I also execute Ansible playbooks for system administration and software deployment.

I monitored on-premises and cloud infrastructure using SolarWinds and performed diagnostics and fault resolution for LAN, WAN, and Wi-Fi connectivity issues.

I managed L2 and L3 incidents through JIRA, supported Cisco router and switch initial configurations, and maintained backup and recovery procedures.

I created infrastructure change logs, process documentation, daily critical-service health reports, and custom dashboards for service growth and workflow tracking.

I worked as an L2 Technical Analyst supporting LATAM and US operations.

I managed incidents in Siebel, reviewed logs, tracked KPIs and monthly metrics, and provided product support using Linux tools and SQL.

I also developed virtual training courses and product documentation.

I managed user provisioning and de-provisioning in Windows Active Directory and Exchange, while providing advanced support for Windows, Microsoft Office, server hardware, and storage systems.

I conducted network scans, vulnerability assessments, and security analysis using Nessus and Kali Linux. I also managed the lifecycle of hardware and software assets.

My responsibilities included server rack assembly, hardware installation, structured network cabling, and Help Desk support for US users.

Network Administration qualification with studies in CCNA fundamentals, routing and switching, cloud DevOps, Linux system administration, SQL Server administration, Azure fundamentals, Azure data fundamentals, AWS Cloud Practitioner, and Python.

Cybersecurity certification training.