System and infrastructure administrator, I spearheaded the comprehensive restructuring of the entire company's infrastructure and managed the installation, maintenance, and support of all equipment. From configuring switches to servers, including file servers, firewalls, application servers, and databases, I ensured seamless operations across all systems. Additionally, I orchestrated the installation of Protheus ERP and managed its configuration, updates, and programming in ADVPL, alongside overseeing SQL databases. In my role supervising interns and IT technicians, I actively shared knowledge and expertise to foster team growth. Continuously monitoring department activities, I identified faults and implemented improvements to optimize employee performance.

During my tenure, I assumed the coordination of the company's IT department, taking on a multifaceted role. I was responsible for the implementation and maintenance of Windows servers, file servers, firewalls, and all network infrastructure, ensuring seamless operations and security. Additionally, I provided comprehensive user support across the organization, including assistance with the accounting system and facilitating equipment procurement. Spearheading infrastructure improvement projects, I devised solutions for various computer-related challenges to enhance operational efficiency and drive cost savings. Furthermore, I undertook a mentorship role, offering hands-on guidance and personalized support to an intern and an IT technician, equipping them with the skills to navigate the complexities of our field.

Initially outsourced to a commissioned position after 2009, I focused on the administration of Linux servers and spearheaded various projects. This included implementing and maintaining Nagios as a monitoring tool and orchestrating the migration of ORACLE 10G database servers to ORACLE 11G. Additionally, I collaborated closely with the development team to successfully transition applications from Oracle Application Server to JBoss.

During my internship, I was fully responsible for implementing the SQUID proxy and deploying SARG for log analysis. Additionally, I managed antivirus solutions on desktops, provided support for the VPN network, and assisted users with their needs.