Infrastructure Engineer
Pubblicato il 25-10-2026 - Hamilton Barnes Associates in Italia
Join a dynamic cybersecurity and IT services collective operating a distributed global network of technology professionals. The organization specializes in managed security operations, cloud infrastructure, and advanced network design, fostering a highly collaborative environment built on trust and operational reliability. By combining diverse international technical expertise, the firm provides robust defense, compliance, and infrastructure management solutions. An exciting opportunity has arisen for a Microsoft 365 Infrastructure Engineer to join a growing team. The successful candidate will oversee the administration and maintenance of enterprise productivity, messaging, and identity management architecture across hybrid cloud environments. Primary responsibilities involve managing identity federation, troubleshooting authentication and access issues, and ensuring seamless platform availability across core services. Additionally, the ideal candidate will partner with internal IT stakeholders to drive infrastructure improvements and enhance overall environment security.
Provide technical support and administration across the Microsoft 365 ecosystem Manage and troubleshoot Exchange Online and Exchange on-premises Support hybrid Exchange environments and related migrations/configurations Manage Microsoft Entra ID and enterprise identity services Troubleshoot authentication, access and permissions issues Support Microsoft 365 services including Exchange, Teams, SharePoint, OneDrive and related platforms Work within a structured, multinational enterprise environment Collaborate with internal IT teams and other technical stakeholders Ensure the stability, security and availability of Microsoft 365 services Strong hands‑on experience with Microsoft 365 Strong Exchange experience across both on-premises and Exchange Online Experience working with Microsoft Entra ID (Azure AD) Experience with OKTA Strong understanding of enterprise identity, authentication and access management Experience working within large‑scale or multinational enterprise environments Ability to work independently while collaborating effectively with wider technical teams Experience supporting hybrid Microsoft environments Knowledge of Microsoft 365 security and compliance Experience with Microsoft Teams, SharePoint and OneDrive PowerShell scripting/automation experience Experience with enterprise migrations and infrastructure projects