**Responsibilities:** * Responsible for infrastructure and information security projects, from planning through execution. * Develop and maintain technical documentation. * Implement and maintain information security solutions, including anti-spam, antivirus EDR Defender, Fortinet firewalls, and Active Directory. * Ensure environment connectivity, with a focus on Cisco technologies. * Configure and manage Microsoft environments (Office 365 ADM, EntraID, MDM Intune, SharePoint). * Manage vendors and partners, ensuring quality, productivity, security, and technological innovation. * Contribute to information security by leading initiatives such as vulnerability management and mitigation, phishing campaigns, patch application, penetration testing, and hardening in collaboration with vendors. * Manage observability tools (Zabbix/Grafana). **Requirements:** * Completed bachelor’s degree in Computer Networks, Computer Engineering, or related fields; postgraduate studies or an MBA are advantageous. **Specific Knowledge:** * Familiarity with ISO 27001/27002 standards and LGPD. * Experience with security policies, phishing campaigns, SIEM, and SOC. * Vulnerability management, patching, DLP, and hardening. * Firewall configuration, preferably Fortinet. * Antivirus, EDR, and antispam administration, preferably Microsoft Defender. * Switch and wireless configuration, preferably Cisco. * Network administration: TCP/IP, DNS, DHCP, VPN, routing protocols. * Management of Microsoft environments: Office 365 ADM, AD, EntraID, MDM Intune, SharePoint. * Experience with virtualized environments running Windows Server 2022–2025 and Linux/Debian. * Observability tools (Zabbix/Grafana). * Experience with ITSM, preferably GLPI. * Asset management: hardware, software, and licenses.