Network Security Architect

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 required We're looking for an experienced Senior Network & 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 solutions Create professional HLDs, LLDs, implementation plans and operational runbooks Work across Cisco, Juniper, Fortinet and F5 technologies Design and troubleshoot Cisco ACI environments, including spine/leaf, multi-site and multi-pod Engineer advanced BGP, OSPF, IS-IS, EIGRP, VXLAN, VLAN, STP, VPC/LACP and QoS solutions Design and implement NGFW, VPN, security policy and HA architectures Deliver F5 L4/L7 load balancing, SSL offload and GSLB Lead PoCs, design validation and pre/post implementation testing Act as the technical lead and primary point of contact for key stakeholders Mentor engineers and coordinate technical delivery Troubleshoot complex network and security issues and engage vendors when required Expereince 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 experience Advanced routing & switching expertise Strong network security experience Multi-vendor implementation experience Proven HLD/LLD and technical documentation skills Strong stakeholder and client-facing capability Experience leading technical delivery and mentoring engineers Professional certifications such as CCIE, JNCIE, ACMP or equivalent are highly desirable. Technical toolkit: Cisco: IOS/IOS-XE/IOS-XR/NX-OS, ACI, Firepower, ISE, Catalyst Centre/DNAC Juniper: JunOS, SRX Fortinet: FortiOS, FortiGate, FortiManager, FortiAnalyzer F5: BIG-IP LTM/GTM/ASM/APM, iRules Experience with Python, Ansible, REST/NETCONF/RESTCONF or gRPC is highly desirable. If you are interested in this role or wish to apply, please submit your CV