Senior Infrastructure Engineer

Senior Infrastructure Engineer Location: Warrington (Hybrid) Salary: £50-£55k Job type: Permanent We’re partnering with a well-established, technology-led organisation that supports both internal teams and external customers with secure, resilient, and carefully designed IT platforms. They’re now looking to hire a Senior Infrastructure & Systems Engineer to take a leading role in shaping, securing, and evolving their environment. This is a genuinely hands-on senior role where you’ll have real influence over architecture, tooling, and standards, not just day-to-day support. The role You’ll be responsible for the secure design, operation, and continuous improvement of the organisation’s IT infrastructure, spanning cloud, on-premise systems, networking, virtualisation, backups, and cyber security. Your responsibilities will include: Cloud & Modern Workplace Managing Microsoft Azure and Entra ID environments Owning Microsoft 365 services including Teams, SharePoint, and Exchange Online Configuring and maintaining Intune for device management, security, compliance, and updates Implementing Microsoft security and compliance controls Infrastructure, Networking & Virtualisation Managing Sophos firewalls (VPNs, routing, policies, traffic control) Supporting Cisco switching (VLANs, ports, subnetting, network segregation) Maintaining Dell PowerEdge and HP ProLiant server hardware Supporting Dell, HP, and QNAP storage, including offsite backups Administering VMware ESXi 8.0 across multiple hosts Operating Systems & Core Services Building and maintaining Windows Server environments (AD, GPO, DNS, DHCP, DFS, IIS, certificates) Patching, hardening, and troubleshooting Windows systems Supporting Linux servers including configuration, security, and patching Backup, Recovery & Databases Designing and maintaining Veeam backup and recovery solutions Managing SQL Server backup, maintenance, and redundancy Regularly testing disaster recovery processes Security & Compliance Supporting ISO27001, Cyber Essentials Plus, and PCI compliance Carrying out vulnerability scanning and remediation Maintaining system security through patching, hardening, encryption, and certificate management Managing email security and filtering What we’re looking for Essential experience Strong background across Microsoft cloud and on-prem infrastructure Advanced networking, firewall, and virtualisation knowledge Strong Windows Server and Active Directory experience Working knowledge of Linux server administration Solid understanding of backup, disaster recovery, and security best practices Confident, structured approach to troubleshooting Desirable Experience in regulated environments Relevant technical certifications (Microsoft, VMware, Cisco, Security)