Overview
We are seeking a highly skilled and experienced Senior Network Engineer to lead the design, implementation, and support of enterprise-scale network infrastructure. This role blends hands-on engineering with strategic design and operational delivery, supporting both on-prem and cloud-based environments.
This role is hybrid (3 days in office) and can be based in either Manchester or Birmingham.
Responsibilities
* Design, configure, and maintain enterprise-scale LAN, WAN, and hybrid cloud networks (AWS/Azure).
* Implement and manage network services including VPNs, VLANs, QoS, DNS, DHCP, ACI and EVPN and segmentation.
* Deploy and support enterprise-grade firewalls, routers, switches, and load balancers.
* Collaborate with security teams to enforce access controls and ensure network compliance.
* Troubleshoot complex network issues and perform root cause analysis.
* Monitor network performance, conduct capacity planning, and optimize for reliability.
* Document network architecture, configurations, and failover strategies.
* Ensure alignment with IT policies, audit requirements, and industry best practices.
* Keep abreast of relevant technologies in the area by reading, attending briefings and talks.
Advantageous
* Experience with enterprise-scale on-prem virtualization (VMware)
* Experience with cloud networking (AWS, Azure, hybrid environments)
* Familiarity with SD-WAN, network automation, and infrastructure-as-code
* Knowledge of Cisco, Juniper, Palo Alto, or other enterprise networking platforms
* Exposure to monitoring tools (e.g., SolarWinds, PRTG, NetFlow)
* Strong documentation and diagramming skills (e.g., Visio, Lucidchart)
Skills Required For The Role
Essential
* Cisco Certified Network Professional (CCNP) or equivalent experience (CCNA minimum)
* Strong expertise in switching, routing, firewalling, wireless networks, and network security
* Proven experience delivering complex network solutions within time, cost, and quality targets
* Ability to dissect and resolve technical problems through structured analysis
* Experience building effective partnerships across diverse teams and technologies
* Awareness of industry trends and ability to align network strategy with broader business goals
* Ability to provide on-call service to the business as part of a team
Experience Required
* 5+ years of engineering experience in delivering Enterprise Scale Networking topology, design, build and support
* CCNP or equivalent experience (CCNA minimum)
About Us
BT Group was the world’s first telco and our heritage in the sector is unrivalled. As home to several of the UK’s most recognised brands – BT, EE, Openreach and Plusnet – we have always played a critical role in creating the future.
Over the next two years, we will complete the UK’s largest and most successful digital infrastructure project – connecting more than 25 million premises to full fibre broadband. We are focused on radical simplification of systems, structures, and processes at scale, applying AI and technology to create the UK’s best telco and enhance the customer experience.
Diversity & Inclusion
A FEW POINTS TO NOTE: Although these roles are listed as full-time, we welcome flexible working arrangements. We will offer reasonable adjustments for the selection process if required. We encourage applications from diverse backgrounds and note that you don’t need to meet every single qualification to apply.
We will also offer reasonable adjustments for the selection process if required, so please do not hesitate to inform us.
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