Information Technology Infrastructure Specialist

Company: Colt Data Centre Services
Apply for the Information Technology Infrastructure Specialist
Location: London
Job Description:

What we’re looking for

Reporting to the IT Infrastructure Manager, an IT Infrastructure Specialist is responsible for the provision of technical support, deployment and design for our business critical IT Infrastructure. This is a key role in an IT Infrastructure Team that manages our on‑premise private cloud and server estate and public cloud platforms.

  • Delivery of 2nd/3rd line operational support for IT services
  • Technical resource and, where required, technical lead for projects and BAU activities ensuring delivery within agreed scope and timeframe
  • Working with Incident Management Teams to restore service quickly and efficiently and, where required, Problem and Change Management Teams to complete any follow‑up actions
  • Supporting Business Application and Change and Delivery Teams on a pipeline of maintenance and enhancement activities
  • Supporting Service Delivery Managers with IT Infrastructure Changes by providing technical expertise at CAB Meetings and, where required, the technical resources to implement changes
  • Working with IT Infrastructure Architects and 3rd party specialists on the design of new solutions
  • Planning and executing changes in accordance with policies and processes
  • Documenting procedures, processes and high and low level designs
  • Researching current and emerging technologies

Role specific requirements

  • Managing a Windows Infrastructure, including Active Directory, DHCP, DNS (Essential)
  • Managing an Azure public cloud environment (Desirable)
  • Implementing IT security Best Practices (Essential)
  • Managing a VMWare vSphere/ESX environment (Essential)
  • Networking, including Layer 2/3 switching, firewalls and Wireless networks (Desirable)
  • Scripting and automation, including Powershell and vbscript (Desirable)

Working Conditions

Colt DCS is a flexible‑first company, operating in a hybrid working model.

What we offer

Colt DCS is a growing business that is investing in its people.

We offer skill development, learning pathways and accreditation to help our people perform at their best, regardless of role and location.

In addition to offering competitive salaries and incentive plans, a range of benefits and local rewards packages are offered to staff.

Colt DCS recognises and is committed to the importance of a work‑life balance.

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Posted: May 23rd, 2026