IT Infrastructure Engineer

Company: MCS Group
Apply for the IT Infrastructure Engineer
Location: Belfast
Job Description:

Infrastructure EngineerBelfast (City Centre)Up to £40,0005 days onsite (some flexibility available)

The Opportunity

We’re working with a well-established professional services organisation in Belfast who are looking to bring in an Infrastructure Engineer to support and enhance their internal IT environment. This is a hands-on role offering a mix of 2nd/3rd line support, infrastructure ownership, cyber security, and project work – ideal for someone looking to step beyond pure support into a broader technical position.

The Role

You’ll act as an escalation point for technical issues while also playing a key role in maintaining and improving the IT infrastructure and security posture. Key responsibilities include:

  • Providing 2nd/3rd line support and escalation for complex issues
  • Managing and supporting Microsoft 365, Entra ID, Intune and Azure environments
  • Supporting servers (virtual & physical) and end-user infrastructure
  • Working across networking (LAN/WAN/VPN, firewalls)
  • Taking ownership of cyber security processes including patching, vulnerabilities and compliance
  • Supporting IT projects, system upgrades and rollouts
  • Contributing to automation and process improvements

What We’re Looking For

  • 4-6+ years’ experience in IT Support / Infrastructure
  • Strong experience across the Microsoft stack (O365, AD, Intune, Azure exposure)
  • Solid understanding of networking fundamentals (DNS, DHCP, VPN, firewalls)
  • Exposure to cyber security practices (patching, endpoint protection, audits)
  • Strong troubleshooting skills and ability to work across multiple priorities

Desirable

  • Experience with virtualisation (VMware / Hyper‑V)
  • Exposure to security frameworks (e.g. ISO 27001, Cyber Essentials)
  • Experience working in a structured or professional services environment

Why Apply?

  • Opportunity to step into a role with real ownership of infrastructure and security
  • Broad technical exposure across cloud, networking and cyber security
  • Involvement in projects and modern technologies (including AI tools)
  • Join a stable, well-regarded organisation with a strong internal IT function

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Posted: June 6th, 2026