Network Engineer - Cisco/Juniper/Fortinet/F5 - Shift Work - London My client, a leading name in the technology space, is looking for an experienced Network Engineer (Inside IR35) to join their team on an initial 3-month contract. This is a key role supporting a complex enterprise environment, requiring strong technical knowledge across both networking and security domains. Location: onsite in London 5 days pw for day shifts. Evening and night shifts will be remote Shifts: Rotational shift work is required, including night shifts Required Skills & Experience: You don't need expertise in all technologies listed below, but strong skills in at least one or more of the following areas are essential: F5 LTM (Local Traffic Manager) Akamai CDN and security solutions Fortinet FortiGate Firewalls & FortiManager Juniper SRX Firewalls and Switches Cisco ISE - for RADIUS and network access control Cisco Nexus 7000 series SwitchesIn addition, you'll bring: Proven experience with Access Control Lists (ACLs), network segmentation, and perimeter security best practices A solid understanding of Layer 2 and Layer 3 networking, and core routing protocols such as BGP and OSPF Experience with high availability networking setups Strong troubleshooting ability using packet capture and log analysis Familiarity with tools such as SolarWinds, Wireshark, and other SNMP-based monitoring solutionsIf you have specialist experience in Fortinet, Juniper, Cisco, or F5 technologies and are looking for your next contract opportunity, please apply with your updated CV