Senior Network Engineer

Senior Cisco Network Consultant

Luton HQ (1-2 days a week with some travel to other UK Sites)

BPSS Eligible

Up to £65 p/h Inside IR35

We are seeking an experienced Senior Cisco Network Consultant to support a major security transformation programme for a leading UK engineering and defence organisation

.
The successful candidate will play a key role in delivering a single, enterprise-wide Network Access Control solution across multiple UK locations, replacing existing NAC platforms and standardising access control policies across the busines

s.
This is a hands-on technical delivery role requiring deep expertise in Cisco Identity Services Engine (ISE), network security, authentication services, and large-scale enterprise infrastructure environmen

ts.
Key Responsibili

• tiesLead the deployment, configuration and implementation of Cisco ISE solutions across multiple si
• tes.Implement and migrate Network Access Control (NAC) services from existing platforms into Cisco
• ISE.Deliver the approved Low-Level Design (LLD) and support technical implementation activit
• ies.Configure and manage authentication services including: 802.1X (wired and wireless), MAC Authentication Bypass (MAB), Guest Access and Captive Portal serv
• icesIntegrate Cisco ISE with: Cisco Switching and Wireless Infrastructure, Active Directory, Microsoft Entra ID, Microsoft NPS and Firewalls/security serv
• icesDesign and implement policy sets, profiling, posture assessment, and access control workfl
• ows.Perform testing and validation activities including Functional Testing, Failover Testing and User Acceptance Sup
• portTroubleshoot complex authentication and network access issues during deployment and early life support pha
• ses.Work closely with network, security, and infrastructure teams to ensure successful deliv
• ery.Produce technical documentation, implementation guides, and operational procedu
• res.Deliver knowledge transfer sessions and workshops to internal IT te

ams.
Essential Skills & Exper

• ienceStrong hands-on experience delivering multiple Cisco ISE implementations within enterprise environm
• ents.Proven experience migrating devices and services from existing NAC solut
• ions.Deep understanding of: Cisco ISE 3.x or later, 802.1X Authentication, MAB/RADIUS and TACACS+, Guest Access Services, High Availability and Multi-Site Deploy
• mentsExperience integrating Cisco ISE with: Active Directory, Entra ID, Microsoft NPS and Cisco Network Infrastru
• ctureStrong troubleshooting and diagnostic skills across network access and authentication technolo
• gies.Cisco Certified Network Professional (
• CCNP)CCNA with significant Cisco ISE implementation exper
• ienceCisco Fire Jumper Field Engineer Certific

ation
If you are an experienced Cisco ISE specialist with a proven track record of delivering enterprise NAC solutions, we would like to hear fro