Network Engineer

Network Engineer

Location:

Luton (approx. 20% onsite)
Duration: 6 months
Rate: £66.97 per hour (Umbrella)
IR35:
Inside
Clearance: BPSS is required ahead of starting

Overview

Seeking a Network Engineer to deliver a single, unified Network Access Control (NAC) solution to support multiple UK sites. You'll support the configuration, testing and go-live of Cisco ISE hardware appliances, lead logical policy configuration, and migrate services from existing NAC solutions, implementing an approved low-level design.

Responsibilities:

Lead the deployment, configuration, and implementation of Cisco ISE solutions across enterprise environments

* Implement network access control (NAC) policies, including 802.1X authentication, MAB, and guest access workflows

* Integrate Cisco ISE with network infrastructure components such as switches, wireless controllers, firewalls, Entra  Active Directory

* Testing & validation:
Functional testing, failover testing, and acceptance criteria.

* Troubleshoot complex network access and authentication issues as part of early life support

* Guest access implementation:
Captive portal, onboarding workflow, and sponsor portal setup.

* Collaborate with security teams to enforce compliance and security policies

* Develop and maintain technical documentation, including design diagrams and security operation procedures

* Provide on-site and remote support during deployment phases and post-implementation

* Participate in incident response and root cause analysis for network security events

* Knowledge transfer:
Workshops or training sessions for IT teams.

Skillset/experience required:

Strong hands-on Cisco ISE (3.x or later) experience (incl. multiple implementations and transition of devices/services)

* High availability across multiple sites

* 802.1X for wired and wireless networks + MAC Authentication Bypass (MAB)

* Guest access with customizable workflows

* Integration with existing Cisco network infrastructure

* Knowledge of Microsoft NPS

* Preferably CCNP (or CCNA with extensive Cisco ISE experience)

* Cisco Fire Jumper Field Engineer Certification (preferred)

* Experience with multisite enterprise environments

* Able to pass BPSS