Senior Engineer - Enterprise Infrastructure

• Act as a senior SME across enterprise infrastructure platforms including Windows Server, Citrix, VDI, Microsoft 365, and cloud environments
• Provide advanced troubleshooting and root cause analysis for complex infrastructure incidents
• Support infrastructure hardening and operational resilience initiatives
• Define and implement best practices for infrastructure security, governance, and operational standards
• Support the stability and performance of Windows Server environments and identity infrastructure
• Maintain enterprise VDI and Citrix platforms
• Support Microsoft 365 services including Exchange Online, Teams, and SharePoint
• Ensure strong governance and operational standards across enterprise cloud environments
• Drive automation initiatives using scripting and infrastructure-as-code approaches
• Contribute to standardisation of infrastructure provisioning and operational processes
• Identify opportunities to improve efficiency, reduce operational overhead, and strengthen security posture
• Contribute to infrastructure projects from design through to implementation
• Collaborate with architecture, security, and platform teams to deliver scalable, secure solutions
• Provide technical expertise for infrastructure modernisation initiatives
• Participate in the infrastructure on-call rota supporting priority incidents where required

• Strong hands-on experience with enterprise Windows Server environments
• Deep knowledge of Active Directory and identity infrastructure
• Experience supporting Citrix or VDI platforms in enterprise environments
• Experience working with Microsoft 365 services and identity platforms
• Exposure to Azure and modern cloud infrastructure environments
• Strong troubleshooting and root cause analysis capabilities
• Experience automating infrastructure operations using scripting or IaC tools
• Ability to operate as a senior technical SME within complex enterprise environments
• Experience supporting infrastructure recovery, stabilisation, or remediation following major operational or security incidents would be highly valuable

Experience working with identity security, conditional access, and modern infrastructure governance practices is highly beneficial