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 ID and 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