We are seeking a Senior SC Cleared WiFi Network Engineer with Aruba ClearPass expertise to support secure UK defence accounts within a highly controlled environment. This role is ideal for a technically strong, defence-experienced engineer who thrives in secure programmes where precision, governance and operational security are critical. You will play a key role in delivering and optimising enterprise-grade wireless and network infrastructure across protected environments. If you have deep Aruba experience, strong LAN/WAN capability and proven delivery within secure or defence settings - this is a high-impact opportunity. Please note: Due to the nature of the project, an active SC Clearance will be required before a start. You will lead wireless network design, deployment and optimisation across secure UK accounts, with particular focus on Aruba WiFi and ClearPass network access control solutions. This is a hybrid role, combining remote working with onsite engagement in Barrow to support project delivery within defence environments. Key Responsibilities: Lead design and implementation of Aruba WiFi solutions (controllers, APs, mobility architecture) Deploy and integrate Aruba ClearPass for network access control, policy enforcement and secure guest access Deliver network engineering across switching, routing and Firewall environments Optimise and enhance wireless performance across secure estates Provide expert-level troubleshooting and root cause analysis ..... full job details .....