Job Title: Senior Network Engineer / Network Data Administrator
Location: Warwick, UK
Mandatory Skill: Network Data Administration
Job Overview
We are seeking an experienced Senior Network Engineer to support a major UK infrastructure modernisation programme. The role focuses on enhancing network reliability, security, and user experience across a large-scale enterprise environment.
This initiative involves upgrading end-of-life network hardware, deploying advanced Wi-Fi solutions, and delivering high-speed connectivity services integrated with Cisco SD-WAN technologies.
The programme also includes exploration and implementation of alternative connectivity solutions such as satellite and 5G technologies to support disaster recovery, rapid deployment, and enterprise expansion initiatives.
A significant part of the role will involve conducting on-site wireless surveys and network design activities using tools such as Ekahau.
Key Responsibilities
* Lead and support the modernisation of enterprise UK network infrastructure.
* Design, implement, and optimise Wireless LAN solutions across large-scale environments.
* Conduct physical and desktop Wi-Fi surveys using Ekahau and RF design methodologies.
* Support deployment of Cisco SD-WAN (Viptela) and related WAN connectivity solutions.
* Design and maintain LAN switching environments including VLANs, STP, RSTP, MSTP, EtherChannel, and QoS configurations.
* Configure and troubleshoot routing protocols including BGP and OSPF across enterprise WAN environments.
* Support integration of alternative connectivity solutions including 5G and satellite-based networks.
* Produce detailed network designs, implementation plans, and operational support documentation.
* Engage with stakeholders across technical and business teams to ensure successful delivery of network solutions.
Required Skills & Experience
* Minimum Cisco CCNP certification (CCIE preferred)
* Certified Wireless Networking Professional (CWNP) highly desirable
* Strong experience with Wireless LAN technologies, including:
* Cisco WLAN / Cisco ISE
* Aruba WLAN / Aruba ClearPass
* Experience with RF design and Wi-Fi survey tools (Ekahau)
* Strong knowledge of Cisco SD-WAN (Viptela)
* In-depth understanding of routing protocols (BGP, OSPF)
* Strong experience in LAN switching technologies, including:
* VLANs, STP, RSTP, MSTP
* EtherChannel, switch stacking
* QoS, segmentation, and redundancy
* Experience with carrier WAN, internet services, and cloud networking services
* Ability to create detailed technical documentation, designs, and operational support models
* Strong stakeholder management and cross-functional coordination skills
Desirable Experience
* Private 5G networking solutions (e.g. Cradlepoint)
* Experience with disaster recovery networking architectures
* Large-scale enterprise network transformation programmes
* Experience working in regulated or complex enterprise environments