Senior Windows Infrastructure Engineer — VMware, Citrix & Teams

Arcus Search; Greater London; Hybrid; GBP 70,000 - 90,000; Full time

Job summary

Arcus Search is seeking a Senior Infrastructure Engineer to support and enhance a large-scale Windows infrastructure in London. This hands-on role covers Windows Server, Active Directory, and core services, alongside VMware vSphere and Citrix Virtual Apps and Desktops, with a key migration project to Teams.

You will contribute to upgrades, patching, and lifecycle management while working with cross‑functional teams to ensure a secure, scalable platform in a fast-paced environment.

Qualifications

• Experience managing a large Enterprise Windows Server environment.

Responsibilities

• Support and improve a large enterprise Windows Server environment.
• Manage Active Directory and core infrastructure services including DNS, DHCP and Group Policy.
• Administer VMware vSphere infrastructure.
• Manage Citrix Virtual Apps and Desktops, including VDA and PVS.
• Support Microsoft 365 services, with a focus on Teams.
• Lead migration activities from Webex to Teams for telephony and video conferencing.
• Deliver infrastructure upgrades, patching and lifecycle management.
• Collaborate with infrastructure, networking and security teams to maintain a stable platform.

Skills

Windows server administration

Team collaboration

Tools

VMware vSphere

Citrix Virtual Apps and Desktops

Provisioning Services (PVS)

Active Directory

DNS

DHCP

Group Policy

Microsoft 365 / Teams

Job description

Arcus Search is seeking a Senior Infrastructure Engineer to support and enhance a large-scale Windows infrastructure in London. This hands-on role covers Windows Server, Active Directory, and core services, alongside VMware vSphere and Citrix Virtual Apps and Desktops, with a key migration project to Teams.

You will contribute to upgrades, patching, and lifecycle management while working with cross‑functional teams to ensure a secure, scalable platform in a fast-paced environment.