Job title: Senior Network Security Architect Rate: £650 per day Inside IR35 Location: Remote (some travel to Newbury required) Contract: 6 months rolling Active SC clearance is requiredWe''re looking for an experienced Senior Network andamp; Security Specialist who can be the technical lead to join a high-profile enterprise environment, working across networking, security, data centre fabrics and load balancing.Responsibilities:Lead the design and hands-on implementation of complex network and security solutionsCreate professional HLDs, LLDs, implementation plans and operational runbooksWork across Cisco, Juniper, Fortinet and F5 technologiesDesign and troubleshoot Cisco ACI environments, including spine/leaf, multi-site and multi-podEngineer advanced BGP, OSPF, IS-IS, EIGRP, VXLAN, VLAN, STP, VPC/LACP and QoS solutionsDesign and implement NGFW, VPN, security policy and HA architecturesDeliver F5 L4/L7 load balancing, SSL offload and GSLBLead PoCs, design validation and pre/post implementation testingAct as the technical lead and primary point of contact for key stakeholdersMentor engineers and coordinate technical deliveryTroubleshoot complex network and security issues and engage vendors when requiredExpereince required: You''ll be an experienced Network/Security specialist with a proven track record delivering complex enterprise or service-provider environments. You should have:Strong Cisco ACI experienceAdvanced routing andamp; switching expertiseStrong network ..... full job details .....