Senior Infrastructure Engineer
Location: Warrington (Hybrid)
Salary : £50-£55k
Job type : Permanent
Were partnering with a well-established, technology-led organisation that supports both internal teams and external customers with secure, resilient, and carefully designed IT platforms. Theyre 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 youll have real influence over architecture, tooling, and standards, not just day-to-day support.
The role
Youll be responsible for the secure design, operation, and continuous improvement of the organisations 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 were 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)
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