Senior IT Infrastructure Engineer

About the Role

Belmont Village Senior Living is seeking a Senior IT Infrastructure Engineer to serve as the technical lead for our Microsoft 365 and hybrid infrastructure environment. This highly visible role combines Microsoft 365 administration, systems engineering, automation, identity management, virtualization, backup and disaster recovery, and enterprise infrastructure support.

As a key member of our IT Infrastructure & Security team, you will lead the administration and optimization of Microsoft 365 services including Entra , Exchange Online, Teams, SharePoint Online, One Drive, and Microsoft 365 Apps while supporting a hybrid environment spanning cloud and on-premises systems. You will play a critical role in ensuring the security, reliability, performance, and scalability of the technology platforms that support our communities and corporate teams across the organization.

This position is ideal for a Senior Systems Engineer, Microsoft 365 Engineer, Infrastructure Engineer, Systems Administrator, Cloud Engineer, or Microsoft Architect who enjoys solving complex technical challenges, automating processes, and driving continuous improvement.

• Lead administration and support of Microsoft 365, including Entra  (Azure AD), Exchange Online, Teams, SharePoint Online, One Drive, and Microsoft 365 Apps
• Manage identity, authentication, conditional access, multifactor authentication (MFA), and hybrid identity solutions using Entra Connect
• Troubleshoot complex Microsoft 365, collaboration, security, and access issues
• Design and maintain SharePoint Online architecture, governance, permissions, and collaboration solutions

• Develop and maintain Power Shell automation for user lifecycle management, licensing, reporting, monitoring, and administrative tasks
• Leverage Microsoft Graph API and automation technologies to improve operational efficiency and reduce manual effort
• Identify opportunities to streamline infrastructure management and support processes

• Support and maintain hybrid Microsoft 365 and on-premises infrastructure environments
• Administer Windows Server, Active Directory, Group Policy, DNS, DHCP, file services, and Exchange Hybrid environments
• Manage server infrastructure, system performance, availability, and security

• Support Hyper‑V environments, virtual machine lifecycle management, and enterprise server infrastructure
• Administer backup and disaster recovery solutions for Microsoft 365 and on‑premises systems
• Perform backup validation, restoration testing, disaster recovery exercises, and business continuity planning
• Troubleshoot backup failures and optimize data protection and retention strategies

• Administer Workspace ONE Mobile Device Management (MDM) platform and endpoint compliance policies
• Serve as a Tier III escalation resource for complex infrastructure and Microsoft 365 issues
• Participate in incident response, root cause analysis, and continuous improvement initiatives
• Develop and maintain technical documentation, standards, and operational procedures

• 5+ years of experience in Microsoft 365 administration, systems engineering, infrastructure engineering, or enterprise systems administration
• Strong expertise with Microsoft 365, Entra  (Azure AD), Exchange Online, Teams, SharePoint Online, and hybrid identity environments
• Experience supporting Active Directory, Windows Server, Group Policy, DNS, DHCP, and virtualization platforms
• Hands‑on Power Shell scripting and automation experience
• Experience with Microsoft Graph API, automation frameworks, and process optimization
• Experience with backup, disaster recovery, business continuity, and enterprise infrastructure support
• Experience with Workspace ONE or similar Mobile Device Management (MDM) solutions
• Strong troubleshooting, analytical, and problem‑solving skills
• Ability to manage complex technical initiatives while collaborating effectively across multiple teams

• Make a meaningful impact by supporting…