O3 IT, an established IT outsourcing company with over 13 years of experience in the market, has been building its own data center for over 2 years, serving 260+ clients with customized cloud solutions and managed IT services.• Proficient in implementing and configuring monitoring tool Zabbix to ensure high system availability• Created custom metrics to monitor system performance, including database query response times.• Managed backups across multiple storage mediums, including NAS devices and cloud platforms• Experienced in using protocols like rsync, NFS and SMB for data transfer and storage• Developed and maintained a standardized documentation process for over 260 clients• Created detailed network diagrams and asset inventories to facilitate support operations• Skilled in automating tasks and processes to improve efficiency

This company provides comprehensive IT outsourcing solutions, serving over 50 companies across diverse sectors, specializing in information security solutions for banks, investment offices, and industries.• Professional experience as a systems administrator.• Maintain and operationalize on-premises and cloud infrastructure (AWS, GCP, OCI)• Resolve first, second, and third-level issues.• Proficient in Linux and Unix administration.• In-depth knowledge of networking (VPN, OpenVPN, IPSec, Wireguard, firewall, routing).• Experience in Windows Server administration, supporting Directory Services, including DNS, GPO, Office 365.• Analytical thinker, understanding architect solutions, and guiding the team.• Development of processes/applications for task automation.• Troubleshoot priority incidents.• Team player, sharing and collaborating, attentive listener, and fast learner.Key Projects:• Automation of routines with scripts (bash, sh, and bat) on servers and workstations.• Creation of bots for the interconnection of unrelated systems.• Generation of reports on service calls, service evaluation, and customer satisfaction.• Automated resolution of issues based on system notification monitoring and article creation.Working in this company, we've assisted numerous businesses in reducing costs with licenses adhering to Linux-based systems, particularly in virtualization for resource optimization.

This company provides Information Security solutions in Brazil, with the Brazilian Army as its main client.• Deployment of Linux/BSD servers as UTM Firewall, Email Server, AntiSPAM, and File Servers.• Handling 2nd-level critical incidents.• Remote and on-site support.• Training for internal teams and clients.

Support for Linux and FreeBSD servers, specializing in the following purposes:• UTM Firewall.• Email Server.• Anti-spam.• File Server.• Proxy.

• Customer service across voice, chat, email, and service desk channels.• Logging customer interactions.• Monitoring the lifecycle of customer tickets.

At BHM Transportes, I held the role of IT Assistant, spearheading various initiatives to strengthen the company's technological infrastructure. A notable achievement was my dedicated efforts in the successful implementation of an inventory server using the LAMP stack (Linux, Apache, MySQL, and PHP).Key accomplishments include:• Projecting and implementing a Linux-based inventory server.• Administering and ensuring continuous maintenance of servers.• Managing both Windows and Linux servers.• Overseeing the entire IT asset inventory.This experience was instrumental in honing my skills in Linux server administration and showcased my ability to lead technological projects from inception to completion.

During my time in the Military Police, I served as an IT Assistant, where my daily responsibilities included:• Offered comprehensive technical support to users, resolving issues related to hardware, software, and networks.• Performing preventive and corrective maintenance on computers.• Managing Windows and Linux servers.This experience enhanced my skills in technical support, computer maintenance, and network management.