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IT Infrastructure & Security Engineer

Job in Belfast, County Antrim, BT1, Northern Ireland, UK
Listing for: MCS Group
Full Time position
Listed on 2026-05-31
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, Network Security, IT Specialist
Salary/Wage Range or Industry Benchmark: 30000 - 40000 GBP Yearly GBP 30000.00 40000.00 YEAR
Job Description & How to Apply Below

IT Infrastructure & Security Engineer

Omagh (Onsite)

£30,000 - £40,000

The Opportunity

An established organisation is seeking an IT Infrastructure & Security Engineer to support and enhance its core IT environment. This is a hands‑on role combining infrastructure support with embedded security responsibilities, offering exposure across systems, networking, and security controls. You'll play a key role in maintaining a secure, resilient IT estate while contributing to ongoing improvement and compliance initiatives.

The Role
  • Support and maintain Windows Server environments
  • Administer Active Directory, DNS, DHCP
  • Manage networking (firewalls, VPNs, switching, routing)
  • Troubleshoot infrastructure and security issues
  • Support endpoint protection and security controls
  • Assist with audits and compliance (e.g. ISO 27001, GDPR)
  • Contribute to infrastructure and security improvement projects
What We're Looking For
  • 5+ years' experience in IT Infrastructure or Security roles
  • Strong Windows Server & Active Directory experience
  • Solid networking fundamentals
  • Experience supporting security tools / controls
  • Strong troubleshooting and incident handling skills
Nice to have:
  • Azure / Microsoft 365 security experience
  • Exposure to security audits or ISO standards
  • Relevant certifications (Microsoft, Cisco, Security, ITIL)
Additional Info
  • Full-time, permanent position
  • Onsite role - must be within a commutable distance
  • Flexibility required for occasional out-of-hours support
Benefits
  • Life insurance
  • Health & wellbeing programme
  • Free parking
  • On‑site facilities
  • Supportive team environment
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