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Enterprise Architect - Infrastructure

Ireland, Dublin · Job Posted March 20, 2026
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Job Description

Ergo are Ireland’s leading Microsoft Partner. We are specialists in helping Enterprise clients migrate their on-prem environments to the cloud and we are currently seeking an Enterprise Architect to supplement our delivery team delivering a critical cloud migration for a well-known public sector body. The successful candidate will operate at both strategic and governance levels, working closely with senior stakeholders to define target-state architecture, modernisation roadmaps, and transitional hybrid operating models.

Job Responsibility

  • Provide architectural leadership across a mature on-prem infrastructure environment
  • Lead structured assessment of current state architecture, including hosting, networking, identity and security
  • Define phased roadmap toward hybrid/cloud adoption aligned to business and regulatory requirements
  • Develop and maintain enterprise-level infrastructure architecture artefacts
  • Lead architecture reviews across server, storage, networking, identity and security domains
  • Define technical standards and architectural principles
  • Lead planning and oversight of data centre migration initiatives and infrastructure consolidation
  • Define migration strategies for applications and data
  • Design hybrid architecture integrating on-prem data centres and Azure (IaaS, PaaS integration)

Requirements

  • Proven experience leading data centre migrations and infrastructure transformation
  • Experience supporting large-scale managed service contracts or service design frameworks
  • Strong Azure architecture exposure, particularly in hybrid environments
  • Experience with TOGAF or equivalent enterprise methodology desirable
  • Strong documentation capability (architecture artefacts, roadmaps, standards)
  • Experience supporting security and regulatory frameworks
  • Experience with Enterprise Windows Server environments
  • Experience with VMware virtualisation platforms
  • Experience with Storage & backup infrastructure
  • Experience with Azure IaaS / PaaS
  • Experience with Active Directory / Entra ID
  • Experience with Network and security integration
  • Experience with Disaster Recovery & Business Continuity design

Nice to have

Experience with TOGAF or equivalent enterprise methodology desirable

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