> Markdown version of [/jobs/ext/2669287-senior-infrastructure-engineer](https://www.wearedevelopers.com/jobs/ext/2669287-senior-infrastructure-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Infrastructure Engineer - **Company:** Digital Waffle - **Location:** Leicester, UK - **Experience:** Expert - **Salary:** £50,000.0 - £60,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Microsoft Azure, Backup Devices, Border Gateway Protocol, Microsoft Online Services, Dynamic Host Configuration Protocol, Multi-protocol Systems, Network Security, Microsoft Software, Windows Servers, Routing, Open Shortest Path First (OSPF), Windows PowerShell, Azure Active Directory, TCP/IP, VMware Infrastructure, Virtual Local Area Networks, Computer Networking Systems, Computer Network Technologies, Microsoft InTune, Storage Technologies, Routing & Switching, Veeam, Cisco, Vmware - **Published:** September 2, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5865230577 ## About the Role Are you an experienced Infrastructure Engineer with a passion for enterprise networking? Do you enjoy working in complex environments where networking sits at the heart of the infrastructure? We're looking for a Senior Infrastructure Engineer to join a well-established organisation with a large-scale enterprise environment. This role is heavily focused on Cisco networking, while also requiring strong Microsoft infrastructure and VMware expertise to support the wider IT estate., * Minimum 5 years' commercial experience supporting enterprise infrastructure. * Strong hands-on Cisco networking experience, including: * Cisco Routing & Switching * Enterprise Campus Networks * MPLS * VRF * CCNA and/or CCNP level networking knowledge (certification or equivalent commercial experience). * Strong experience with Microsoft technologies, including: * Windows Server * Active Directory * Group Policy * DNS & DHCP * Microsoft 365 * Entra ID (Azure AD) * VMware administration experience. * Good understanding of TCP/IP, VLANs, OSPF, BGP and network security principles. * Experience working within large enterprise environments. * Strong troubleshooting and problem-solving skills. Desirable Skills * Cisco CCNP certification. * Azure IaaS administration. * Microsoft Azure. * PowerShell scripting and automation. * Storage technologies (SAN/NAS). * Backup solutions such as Veeam. * Experience working within an ITIL environment. ## Description As a Senior Infrastructure Engineer, you'll be responsible for maintaining, supporting and improving a large enterprise network alongside the wider Microsoft infrastructure environment. You'll provide 3rd line support, lead technical projects and act as a senior escalation point for complex networking and infrastructure issues. You'll work across both BAU support and project delivery, including network upgrades, server migrations, Microsoft infrastructure improvements, VMware upgrades and technology refreshes., * Design, support and maintain enterprise Cisco network infrastructure. * Configure and troubleshoot routing, switching, MPLS and VRF technologies. * Support large campus network environments. * Administer and support Microsoft Windows Server environments. * Manage and maintain Active Directory, Group Policy, DNS and DHCP. * Support Microsoft 365 services, including Exchange Online, Entra ID (Azure AD) and Intune where required. * Administer VMware virtual infrastructure. * Deliver infrastructure and network projects including server upgrades, migrations and platform improvements. * Act as the senior technical escalation point for networking and infrastructure issues. * Produce technical documentation and follow ITIL best practices. ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Unlocking the potential of Digital & IT at Vodafone](https://www.wearedevelopers.com/videos/602-unlocking-the-potential-of-digital-it-at-vodafone) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) - [Generating code with Angular schematics](https://www.wearedevelopers.com/videos/129-generating-code-with-angular-schematics) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) ## Related Articles - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [IT Salaries in UK](https://www.wearedevelopers.com/magazine/288-it-salaries-in-uk) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers)