Senior Infrastructure Engineer

Arcas Technology are supporting one of our SME clients with the appointment of a Senior Infrastructure Engineer. They’re investing heavily in modernisation, cloud adoption, and infrastructure uplift, and they’ve asked us to identify someone with deep experience across virtualisation, Windows Server, SQL, Citrix, and cloud-hosted applications.

The Role

You’ll work closely with the Head of IT to lead infrastructure projects, modernise legacy systems, and drive cloud-focused improvements. The environment is a mix of on-premises and cloud, and the business is looking for someone who can bring structure, engineering depth, and technical leadership.

Key Responsibilities

• Lead infrastructure projects across virtualisation, server upgrades, cloud migrations, and platform modernisation
• Own and enhance the Windows Server, VMware, and storage environment
• Support and optimise SQL Server environments, including HA configurations
• Contribute to cloud-hosted application delivery (Azure-hosted solutions, D365/AX)
• Improve and maintain Citrix/RDS environments where required
• Oversee data centre operations, virtual server deployments, and core infrastructure services
• Act as the senior technical escalation point for complex issues
• Work with stakeholders to understand requirements and deliver robust solutions
• Drive best practice across security, patching, monitoring, and resilience
• Produce documentation, standards, and contribute to long-term technical planning

Tech Environment

• Windows Server, Active Directory, Group Policy
• VMware (vSphere/ESXi), virtualisation, storage
• Microsoft SQL Server
• Citrix (Metaframe, XenDesktop)
• Microsoft Dynamics AX / D365 (on-prem and Azure-hosted)
• Azure services, cloud-hosted applications
• Networking fundamentals (switching, firewalls, VPN)
• Backup, DR, monitoring, patching tools

What We’re Looking For

• Deep experience in infrastructure engineering across Windows, VMware, SQL, and virtualisation
• Strong background delivering infrastructure projects end-to-end
• Experience with cloud-hosted applications (Azure, D365/AX)
• Comfortable working in a senior technical role with autonomy and ownership
• Ability to modernise environments and improve stability, performance, and security
• Strong communicator who can work with both technical and non-technical stakeholders
• Someone who enjoys solving complex problems and shaping technical direction

If this sounds like the right next step for you, we’d love to hear from you!