Senior Network Security Architect – Remote (SC Clearance)

CBSbutler Holdings Limited trading as CBSbutler; Newbury; On-site; GBP 102,000 - 138,000; Full time

Job summary

CBSbutler is seeking a Senior Network Security Architect to lead the design and hands-on implementation of complex network and security solutions within a high-profile enterprise environment. Remote work with occasional travel to Newbury is expected, and SC clearance is required.

CCIE/JNCIE qualifications are highly desirable as you work across Cisco, Juniper, Fortinet and F5 ecosystems. You will act as the technical lead, deliver HLD/LLD documents, runbooks and implementation plans, and mentor

Qualifications

• Strong Cisco ACI experience.
• Advanced routing and switching expertise.
• Multi-vendor implementation experience.
• Proven HLD/LLD and technical documentation skills.
• Excellent stakeholder and client-facing capability.
• Experience leading technical delivery and mentoring engineers.
• Professional certifications such as CCIE or JNCIE are highly desirable.

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

Skills

Cisco ACI

Advanced routing & switching

Multi-vendor

Security

HLD/LLD documentation

Stakeholder management

Mentoring engineers

CCIE/JNCIE desirable

Tools

Python

Ansible

REST/NETCONF/RESTCONF

gRPC

Job description

CBSbutler is seeking a Senior Network Security Architect to lead the design and hands-on implementation of complex network and security solutions within a high-profile enterprise environment. Remote work with occasional travel to Newbury is expected, and SC clearance is required.

CCIE/JNCIE qualifications are highly desirable as you work across Cisco, Juniper, Fortinet and F5 ecosystems. You will act as the technical lead, deliver HLD/LLD documents, runbooks and implementation plans, and mentor