Senior Windows System Engineer (M365/ Entra)

Fruition Group Ireland

Ireland

Description

Senior Windows System Engineer - 12 month day rate contract

Job Description:

Our client, a large enterprise organisation, is seeking an experienced Senior Windows Systems Engineer to support and enhance a complex Microsoft infrastructure environment spanning multiple tenants and a large user base. The successful candidate will play a key role in modern workplace technologies, identity management, cloud services, and enterprise collaboration platforms.

Job Responsibilities

  • Administer and support Microsoft 365 environments across multiple tenants within a large-scale enterprise setting
  • Manage and maintain Entra ID environments, including identity lifecycle management and access governance
  • Configure and support Microsoft Teams, including Enterprise Voice capabilities and collaboration services
  • Design, implement, and maintain Conditional Access Policies and identity security controls
  • Support Exchange Online administration, mail flow management, and tenant configuration
  • Assist with tenant onboarding activities, migrations, and cross-tenant integrations
  • Manage endpoint solutions through Microsoft Intune, including device compliance and configuration policies
  • Support SharePoint Online administration and collaboration platform governance
  • Work closely with infrastructure and security teams to ensure secure identity and access management, including hybrid/on-premises integrations
  • Contribute to security and compliance initiatives across Microsoft cloud platforms
  • Develop and maintain automation scripts using PowerShell and Microsoft Graph API
  • Support Azure-based infrastructure services and related cloud platform technologies

Experience Required

  • Minimum 5+ years’ experience in a senior Microsoft infrastructure or systems engineering role
  • Strong hands-on experience administering Microsoft 365 and Entra ID environments
  • Proven experience supporting enterprise-scale Microsoft collaboration and productivity platforms
  • Experience with identity and access management in hybrid cloud environments
  • Strong understanding of security, compliance, and governance within Microsoft ecosystems
  • Experience managing multi-tenant environments and migration projects
  • Strong troubleshooting and stakeholder communication skills
  • Ability to work independently within fast-paced enterprise environments

Desirable Skills

  • Experience with Microsoft Purview and compliance tooling
  • Exposure to Azure infrastructure technologies, Azure Arc, or hybrid cloud services
  • Knowledge of B2B and B2C identity solutions
  • Experience with enterprise voice and telephony solutions within Microsoft Teams
  • Familiarity with automation, scripting, and infrastructure-as-code concepts
  • Previous experience operating within highly regulated or large-scale enterprise environments

Educational Requirements

  • Third-level qualification in Information Technology, Computer Science, or a related discipline
  • Relevant Microsoft certifications would be advantageous

HOW TO APPLY:

If you are interested in this role, please apply for this role with your updated CV