Position Summary: We are seeking an experienced network professional to administer, operate, and secure corporate infrastructures, with a focus on optimization and regulatory compliance. Key Highlights: 1. Advanced administration of corporate network infrastructures and security. 2. Experience with Palo Alto, Fortinet, F5 BIG-IP firewalls, and Cisco/Aruba switches. 3. Participation in security audits and compliance with ISO 27001 and ENS. **Academic Qualifications:** * Telecommunications Engineering / Technical Engineering in Systems Informatics **Knowledge and Experience:** * **Minimum 7 years of experience** in similar roles performing responsibilities related to: * Administration and operation of corporate network infrastructures (advanced routing and switching (OSPF, BGP, MPLS), VLANs, STP, VPNs). * Management, maintenance, and advanced configuration of **Palo Alto and Fortinet firewalls**. * Administration of **F5 BIG\-IP** (LTM, WAF, load balancing, and perimeter security). * Management of **Cisco** switches (IOS, NX\-OS) and **Aruba** switches, including advanced monitoring and troubleshooting. * Administration of **IP telephony platforms**. * Administration of network access control systems (**NAC**). * Monitoring of critical infrastructures using specialized tools. * Execution or support of security audits; regulatory compliance with **ISO 27001 and ENS**. * Technical documentation, procedures, and network architecture improvements. * Security incident management in coordination with the SOC/CSIRT team. * **CCNP certification**. **Desirable:** * Administration of high-availability systems. * Administration of ClearPass and NetBox products. * Administration of **Nexus and MikroTik switches**. * **CCIE**, Palo Alto, or Fortinet certification. * Monitoring software: **PRTG, Zabbix**. * Technical documentation management. * Use of ticketing and planning tools (Jira, DevOps). * Training and/or certifications in Cybersecurity. * Methodologies and standards such as ITIL, ISO 20000, AGILE/SCRUM. **Personal Competencies** * Ability to resolve complex incidents through structured analysis. * Technical autonomy with strong emphasis on availability and security. * Effective communication with both technical and non-technical teams. * Proactivity in identifying infrastructure improvements and optimizations. * Ability to work under pressure and efficiently manage priorities.