As a Network and Security Analyst at one of Brazil's largest newspapers, Folha de S.Paulo, my responsibilities include managing and securing the IT infrastructure that supports critical publishing and content distribution operations.Key Responsibilities and Achievements:Network Management: Supervised and maintained LAN and WAN networks, ensuring high availability and performance of communication and data systems. Implemented VLANs for network segmentation and traffic optimization.Information Security: Implemented and administered firewalls (CheckPoint), intrusion prevention systems (IPS/IDS), and network access control solutions (NAC). Continuously monitored for identifying and mitigating cybersecurity threats.Incident Management: Responded swiftly to security incidents and network failures, utilizing monitoring tools like Zabbix and Nagios for effective diagnosis and resolution.Policies and Compliance: Developed and implemented security policies aligned with industry best practices and regulations, including GDPR and LGPD. Conducted periodic audits to ensure compliance.Project Management: Led projects for updating and expanding network and security infrastructure, from planning to execution and post-implementation review.Technologies Used:Networks: VLANs, MPLS, BGP, OSPFSecurity: Checkpoint, IPS/IDS, NAC, DLPMonitoring: ZabbixManagement Tools: ITIL, COBITMy role has been crucial in ensuring the security, efficiency, and continuous innovation of Folha de S.Paulo's IT infrastructure, significantly contributing to data protection and the operational continuity of the newspaper.