Senior Network Engineer
Posted 2 days ago by Coltech Recruitment
£450 Per day
Inside
Onsite
Warwick, Warwickshire
Summary: The Senior Network Engineer role focuses on supporting a major UK infrastructure modernization program by enhancing network reliability, security, and user experience in a large-scale enterprise environment. The position involves upgrading network hardware, deploying advanced Wi-Fi solutions, and integrating Cisco SD-WAN technologies. Additionally, the role includes exploring alternative connectivity solutions such as satellite and 5G technologies. On-site wireless surveys and network design activities using tools like Ekahau are also key components of the job.
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.
Key Skills:
- Minimum Cisco CCNP certification (CCIE preferred)
- Certified Wireless Networking Professional (CWNP) highly desirable
- Strong experience with Wireless LAN technologies, including Cisco WLAN / Cisco ISE and 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
Salary (Rate): £450/day
City: Warwick
Country: UK
Working Arrangements: on-site
IR35 Status: inside IR35
Seniority Level: Senior
Industry: IT
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