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, in both on-prem and cloud-based environments. You will architect secure, scalable, and resilient network solutions that meet business and security requirements, collaborating across multidisciplinary teams to ensure seamless service delivery. This role is hybrid (3 days in office) and can be based in 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.
• 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).

Qualifications

• 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 the Company

BT Group is a leading telecommunications provider with heritage in the sector. The description here references the company’s broader mission and transformation initiatives, including digital infrastructure projects and focus on connectivity and customer experience.