Infrastructure Engineer

Reference: 168306_1760364500

Role Summary

The IT Infrastructure Engineer is a hands-on technical expert responsible for the design, maintenance, and ongoing improvement of the organisation's core IT infrastructure. This position ensures maximum availability, security, and performance across 24/7 business operations.

The role provides Level 1-3 support for a range of infrastructure and user technologies, including networks, server environments, cybersecurity systems, ITSM platforms, and enterprise applications.


Core Responsibilities

IT Operations

  • Operational Management: Maintain oversight of infrastructure performance, capacity planning, and system stability to ensure consistent uptime.

  • On-Call & Escalation: Participate in a scheduled on-call rotation providing out-of-hours support for critical incidents impacting 24/7 operations.

  • User Support: Provide technical support to users through the organisation's IT service management platform, ensuring issues are logged, tracked, and resolved efficiently.

  • Disaster Recovery & Business Continuity: Contribute to the design and testing of DR and BC plans, ensuring compliance with recovery time and recovery point objectives.

  • Change Management: Adhere to structured change control processes, ensuring updates and deployments are properly documented, tested, and implemented with minimal disruption.


Required Qualifications & Experience

  • 5+ years' experience in an IT infrastructure engineering and support role.

  • Proven experience providing end-user support and participating in on-call coverage.

  • Strong expertise in Microsoft Windows Server, Active Directory, and Microsoft 365 administration.

  • Experience with enterprise device management platforms (e.g., Microsoft Intune or similar).

  • Hands-on experience with endpoint or extended detection and response platforms (e.g., EDR/XDR).

  • Solid knowledge of enterprise-grade networking hardware (e.g., Fortinet, Cisco, or similar).

  • Experience using an IT service management platform (e.g., Zendesk, ServiceNow, or equivalent).

  • Proficiency in PowerShell or similar scripting for automation and operational improvements.

  • Ability to perform under pressure and meet demanding deadlines.


Preferred Qualifications

  • Microsoft or equivalent vendor certifications.

  • Cybersecurity certifications.

  • Experience with Linux environments.


Key Competencies

  • Accountability: Dedication to maintaining uptime and resolving incidents promptly.

  • Proactivity: Ability to anticipate and mitigate risks before they impact operations.

  • Communication: Clear and effective communication with both technical and non-technical stakeholders.

  • Initiative: Self-motivated approach to troubleshooting and continuous improvement.

GCS is acting as an Employment Agency in relation to this vacancy.

€60,000.00 - 70,000.00
Per annum
EUR60000 - EUR70000 per annum

Ireland

Permanent

Added 13/10/2025
Reference: 168306_1760364500

Infrastructure Engineer

Ireland
Permanent

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