Senior Network Architect — Cisco, SD-WAN & Cloud

KBR, Inc.; Leatherhead; On-site; GBP 70,000 - 90,000; Full time

Job summary

KBR, Inc. seeks a Lead IT Network Administrator (Network, Voice & AV) to lead the administration, optimisation, and support of networking, voice, and audiovisual services across enterprise and secure environments.

The successful candidate will bring strong Cisco networking expertise, network security, cloud connectivity, and unified communications, while serving as a key escalation point for operations and infrastructure projects.

Qualifications

• UK citizenship required.
• BPSS clearance or higher.
• Strong hands-on Cisco networking experience.
• Experience with data centre, cloud connectivity, and unified communications.

Responsibilities

• Configure and optimise complex Cisco networking environments across sites.
• Manage enterprise routing, switching, and SD-WAN services.
• Administer secure network services including firewalls and access control.
• Support Azure networking and hybrid cloud connectivity.
• Troubleshoot incidents and coordinate remediation across domains.
• Maintain network diagrams and technical documentation.
• Collaborate with security, cloud, application and third party teams.

Skills

Cisco networking

Network security

Cloud connectivity

Unified communications

Tools

Cisco ISE & Nexus

Palo Alto Firewalls

F5 BIG-IP

Azure networking

Job description

KBR, Inc. seeks a Lead IT Network Administrator (Network, Voice & AV) to lead the administration, optimisation, and support of networking, voice, and audiovisual services across enterprise and secure environments.

The successful candidate will bring strong Cisco networking expertise, network security, cloud connectivity, and unified communications, while serving as a key escalation point for operations and infrastructure projects.