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

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