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!