Walter Brazolin

Managed Zabbix monitoring infrastructure for 150+ hosts, reducing mean time to detect incidents by ~35% through proactive alerting and dashboard optimization. Responsible for Linux and Windows Server management, high-availability system infrastructure, and public cloud administration.

Administered and optimized Zabbix monitoring systems, managed Linux and Windows Server environments, and maintained 99.8% uptime SLA across hybrid infrastructure (on-prem + OCI + AWS) in a managed cybersecurity environment. Involved in cloud solutions management with emphasis on Oracle Cloud and AWS.

Architected and managed multi-cloud environments (AWS + Azure) supporting workloads, reducing infrastructure costs by approximately 25% through right-sizing and reserved instances. Managed cloud solutions with emphasis on AWS and Microsoft Azure, and handled Linux/Windows server platforms and virtualization tools (ESXi, Hyper-V, Proxmox).

Coordinated infrastructure management and implemented monitoring solutions for server environments. Led network architecture planning and troubleshooting efforts.

Coordinated infrastructure management and implemented monitoring solutions for server environments. Managed Zabbix server administration and Linux/Windows environments, and developed network security strategies to safeguard infrastructure and data.

Performed Zabbix Server Administration, Windows and Linux CentOS Server Administration, structured cabling, customer support, web hosting support, and process mappings.

Deployed and managed Zabbix monitoring systems for 24/7 availability. Maintained Postgres and SQL Server databases for operational performance, and implemented Veeam Backup for infrastructure resilience.

Managed the infrastructure of the school, including laboratory calls, process analysis and automation, computerization, documentation, and organization. Provided training in MS Windows, MS Word, MS Excel, Internet, Network Security, MS PowerPoint, Linux, Open Office, Hardware, Adobe Photoshop, and Corel Draw.

Volunteered utilizing the art of clowning in pediatric care at public and private hospitals. Served as First Treasurer and Board member, and was one of the founders involved in the formalization of the NGO.

Documented internal processes and procedures, guided the team in the SJ Rio Preto region, and trained new analysts. Configured Microsoft systems, used cloning software such as Ghost and Clonezilla, installed and configured Windows Server 2003 and 2008, WSUS, and Hyper-V, performed hardware maintenance on workstations and servers, and provided remote user support.

Operated video conferencing equipment such as MC 6000, Falcon, and Tandberg. Performed hardware maintenance and operating system reinstallation (Windows 2000 technology).

Volunteered as a teacher in the Escola da Família program, holding classes on weekends at a state school. Taught Windows 98 operating system and Microsoft Office 2000 suite.

Answered calls and redirected messages to devices via radio call known as 'pager'.

Postgraduate specialization in Cloud Computing Projects completed in 2020.

Studied Information Technology Management, focusing on technology management.

Studied Systems Analysis and Development, covering systems science and theory.

Technical degree in Telecommunications, focusing on telecommunications technology.

Technical education in Information Technology, covering IT fundamentals.