Key Responsibilities Provide remote and onsite technical support within Managed Services (MSA/SLA) environments. Administer, configure and maintain FortiGate firewalls, including firewall policies, NAT, VPNs and security profiles. Troubleshoot LAN, WAN, wireless, SD-WAN, routing and switching environments. Investigate security alerts, vulnerabilities and suspicious network activity. Perform firewall upgrades, configuration reviews, network health checks and security hardening. Conduct root cause analysis and ensure incidents are resolved within agreed SLA targets. Monitor network performance and identify opportunities for optimisation. Maintain technical documentation, network diagrams and customer service reports. Build strong customer relationships through professional technical guidance and support. Minimum Requirements Mandatory: Fortinet NSE4 certification or current Fortinet Certified Professional equivalent. Minimum 3 years' hands-on experience in network and security support. Proven experience administering FortiGate firewalls. Practical experience with IPsec VPN technologies, routing, switching and firewall policy management. Strong understanding of TCP/IP, VLANs, NAT, DNS, DHCP, routing protocols and wireless networking. Demonstrated network security troubleshooting and customer support experience. Strong understanding of cybersecurity principles and best practices. Advantageous Experience CCNA, CompTIA Network+ or equivalent networking certification. Exposure to FortiAnalyzer, FortiManager, FortiSwitch, FortiAP and FortiClient EMS. Knowledge of Microsoft 365 and Azure networking fundamentals. Exposure to ZTNA, SD-WAN and managed services environments. The Ideal Candidate You are a proactive problem-solver with strong analytical and troubleshooting abilities. You thrive in a customer-facing technical environment, work independently and take ownership of technical challenges while maintaining high service delivery standards. Ready for your next career move? Apply now by submitting your updated CV to .