Job Summary: Responsible for executing network, software, and hardware infrastructure processes to ensure IT service availability across all company departments. Key Highlights: 1. Network, telecommunications, and security infrastructure administration. 2. Server administration, maintenance, and proactive monitoring. 3. Information protection and data security management. About the Position **Job Mission:** Responsible for executing network, software, and hardware infrastructure processes to ensure IT service availability across all company departments. **Main Job Responsibilities:** * Contribute to infrastructure, network, telecommunications, and security solution administration using specialized software and procedures to ensure high IT infrastructure availability; * Administer servers, install, configure, perform maintenance, proactively monitor, and apply fixes to operating systems and various software via specific routines to ensure full infrastructure functionality; * Protect information using management systems to ensure data integrity, reliability, authenticity, and availability; * Execute and ensure proper backup implementation and conduct regular data recovery tests using backup procedures and routines to ensure information security; * Optimize internet usage through firewall management systems, controlling company internet link utilization and consumption to prevent unauthorized use; * Guide correct and secure IT usage through recommendations and procedures to avoid errors and improve equipment performance; * Administer and maintain information security strategies per predefined IT policies; * Perform and ensure continuous updates of network and telecommunications infrastructure documentation through document creation and completion; * Monitor tickets via Service Desk to identify recurring issues and improvement opportunities. Provide technical support to internal customers and the IT team via remote or on-site assistance to ensure correct usage and high IT infrastructure availability; * Support procurement processes by providing technical specifications and product/equipment validation for acquisition. **Education:** Completed Bachelor’s degree. **Field of Study:** Computer Science, Information Technology, or related fields. **Competencies:** **Mandatory** ✅Windows Server and Linux system administration — Advanced; ✅Virtualization (VMware / Hyper-V / Proxmox) — Advanced; ✅Routing — Advanced; ✅Firewall solutions knowledge — Advanced; ✅Cloud environment support (AWS / Azure / Oracle) — Advanced; ✅Monitoring and observability: Zabbix, Grafana, Syslog, Event Viewer — Advanced; ✅Enterprise backup (Veeam, CommVault, Acronis, etc.); ✅Vulnerability management (Qualys, Tenable, Rapid7, Nessus); ✅Security policy implementation (ISO 27001, NIST, CIS Benchmarks); ✅Technical risk analysis and management; ✅Log analysis, timeline reconstruction, IOCs, TTPs; ✅Firewalls — configuration, NAT, VPN, IPS, ZTNA; ✅Active Directory / Entra ID.
João Silva
Indeed · HR
João Silva
Indeed · HR
