Job Description:

Job Title: Senior Network Engineer / Network Data Administrator

Location: Warwick, UK
Mandatory Skill: Network Data Administration
Work Type: Onsite / UK-based (with ad-hoc travel to client sites)

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