Specialist Wireless Network Engineer

Key Responsibilities

• Design, deploy, and optimise enterprise WLAN solutions across office, industrial, and large-scale enterprise environments.
• Conduct predictive and onsite wireless surveys, RF assessments, and coverage optimisation using tools such as Ekahau and Hamina.
• Perform RF analysis, channel planning, interference mitigation, and capacity optimisation.
• Troubleshoot complex Wi-Fi issues including:
• Authentication failures
• Roaming issues
• RF interference
• Performance degradation
• Coverage gaps
• Develop and maintain Low Level Designs (LLDs) for:
• Wireless LAN
• NAC solutions
• Enterprise connectivity services
• Create accurate Bills of Materials (BoMs) for:
• New deployments
• Refresh initiatives
• Upgrade programmes
• Support Wi-Fi lifecycle management including:
• Hardware refresh
• Firmware/software upgrades
• Capacity planning
• Performance tuning
• Work closely with infrastructure, operations, and platform teams to gather requirements and deliver scalable wireless solutions.
• Support SD-WAN overlay connectivity initiatives and alternative connectivity technologies including:
• 5G networking
• Satellite connectivity
• Disaster recovery networking solutions
• Implement and support secure WLAN authentication mechanisms using:
• 802.1X
• RADIUS
• EAP methods
• Role-based access controls
• Support enterprise NAC platforms including Cisco ISE and Aruba ClearPass.
• Analyse network performance metrics, incident trends, and wireless analytics to improve service reliability and user experience.
• Contribute to engineering standards, best practices, technical documentation, and knowledge-sharing initiatives.
• Travel to Client sites across the UK for pre-deployment and post-deployment wireless surveys as required.

Required Skills & Experience

• Strong hands-on experience with enterprise wireless networking technologies, particularly:
• Cisco Wireless
• Aruba Wireless
• Deep understanding of:
• RF fundamentals
• Channel planning
• Power optimisation
• Interference mitigation
• 802.11 standards including Wi-Fi 5, Wi-Fi 6, Wi-Fi 6E, and Wi-Fi 7
• Expertise in WLAN authentication technologies including:
• 802.1X
• EAP authentication methods
• RADIUS
• Role-based access controls
• Experience with:
• Enterprise wireless controllers
• Cloud-managed Wi-Fi platforms
• Policy engines
• Proficiency with wireless survey and design tools:
• Ekahau
• Hamina
• Similar RF planning tools
• Experience with Cradlepoint or similar 5G-enabled networking platforms.
• Strong experience supporting large-scale enterprise Wi-Fi environments.
• Hands-on experience with:
• Cisco ISE
• Aruba ClearPass
• Profiling and NAC solutions
• Strong troubleshooting and analytical skills with the ability to interpret:
• Wireless analytics
• Performance data
• Incident trends