Position: Senior Network Engineer Location: Stockley Park London, UK Duration: Permanent - Onsite Responsibilities: 5 -7 years of hands-on experience in enterprise network engineering. Strong knowledge and operational experience with: F5 LTM (Local Traffic Manager) Akamai CDN and security solutions Fortinet Fortigate Firewalls and FortiManager Juniper SRX Firewalls and Juniper Switches Cisco ISE for RADIUS and network access control Cisco Nexus 7000 series Switches Proven expertise in ACLs, network segmentation, and perimeter defence strategies. Deep understanding of Layer 2 and Layer 3 networking, routing protocols (BGP, OSPF, etc.), and high availability concepts. Strong troubleshooting skills with packet capture and log analysis experience. Familiarity with network monitoring and management tools (eg, SolarWinds, Wireshark, SNMP-based tools).