Job Description The Sr. IT Systems Engineer - Networking role is responsible for designing, implementing, and maintaining networking solutions across multiple regions. The ideal candidate will have extensive experience with Palo Alto, Aruba, and Cato Networks, as well as expertise in global IT infrastructure management, network security, automation, and networking. The successful candidate will have a strong background in enterprise security, cloud networking, and automation, with a deep knowledge of networking protocols (BGP, OSPF, EIGRP, VRF Lite, TCP/IP v4 & v6). Hands-on experience with firewalls, routing, and security policies using Palo Alto and Aruba is also required. - Key Responsibilities: - Design and implement networking solutions for branch offices, data centers, and cloud environments. - Deploy, configure, and maintain firewalls (Palo Alto), routers, and switches (Aruba). - Manage Palo Alto Panorama for enterprise-wide firewall policies. - Optimize routing protocols (BGP, OSPF, EIGRP, VRF Lite, TCP/IP v4 & v6). - Security and Compliance: - Implement and manage forward proxy SSL, VPNs, and network access control. - Maintain compliance with SOX, ITIL, and industry security standards. - Firewall rule management. - Network Performance and Monitoring: - Utilize LogicMonitor, Nagios, and Wireshark for network analytics and troubleshooting. - IT Operations and Project Management: - Implement IT projects such as migrating onboarding new companies to the group. - Manage multi-site VPNs and datacenter interconnectivity. - Maintain infrastructure documentation, network diagrams, and runbooks. - Train and support Level 1/2 engineers and service desk teams. - Incident and Change Management: - Handle service requests and incidents using ServiceNow. - Ensure high availability (HA) and disaster recovery (DR) planning for network infrastructure. Requirements: - Bachelor's degree in Information Technology, Computer Science, or a related field. - Palo Alto Networks Certified Network Security Administrator or equivalent is a plus. - Certifications: - Palo Alto Networks Certified Network Security Administrator (PCNSA) is a plus. - ITIL Foundation Certification is a plus. - Minimum 7+ years of experience in IT infrastructure and networking roles. - Experience in global network administration across multiple regions (Europe, US, Latin America, Africa).