Microsoft 365 Engineer (Exchange/Mail Specialist)

Xtensys is a rapidly growing managed service provider delivering innovative technology solutions to health systems, beginning in New York and expanding nationwide. Owned by two industry leaders with a strong focus on advancing rural and community healthcare, Xtensys is executing several major initiatives and scaling quickly. With a team of more than 500 professionals, we are building a people-centered culture rooted in collaboration, innovation, and strategic thinking.

We are seeking an experienced Microsoft 365 Engineer to support our continued growth and commitment to deliver exceptional client outcomes.

Why Join Us?

• MissionDriven Work: You are the "bridge" ensuring technology serves health systems and their patients when they need it most.
• Autonomy & Ownership: We trust you. You’ll lead projects, define success, and manage complexities with total support.
• A Culture of Innovation: Have a fresh perspective? We want it. We encourage risktaking and continuous improvement.
• Continuous Growth: We fuel your "restless curiosity" with opportunities to expand your skillset and mentor others.

Your Mission: As a Microsoft 365 Engineer, you’ll help ensure our Microsoft 365 environment is secure, reliable, and optimized across multiple healthcare tenants. You’ll independently manage day-to-day administration and support while taking ownership of defined services and projects. You’ll play a key role in improving the modern workplace experience, solving technical challenges, and driving the effective adoption of Microsoft 365 solutions across the organization.

What You'll Do Day-to-Day:

• Manage and maintain Microsoft 365 services, including Exchange Online, SharePoint Online, OneDrive, and Microsoft Teams, across multiple tenants.
• Provide Tier 2/3 support for Microsoft 365 incidents and service requests, serving as an escalation point for junior engineers and the Service Desk.
• Support hybrid and onpremises Exchange environments, including mailbox migrations to Exchange Online.
• Deploy and configure Microsoft 365 services in alignment with established governance and security standards.
• Build and maintain Teams governance, including automated team and channel provisioning, membership, sharing, meeting, and notification settings.
• Contribute to SharePoint intranet development, site management, and lifecycle processes.
• Implement and maintain email retention, DLP, and compliance policies in accordance with approved designs.
• Configure and maintain Conditional Access, MFA, Microsoft Purview, Microsoft Defender for Office 365, and Exchange Online Protection.
• Design and maintain Power Automate workflows and PowerShell/Microsoft Graph automation to streamline processes and reduce manual effort.
• Develop standardized provisioning, cleanup, and administrative processes across Microsoft 365 services.
• Support licensing optimization and personabased license assignment models.
• Partner with Information Security to establish and maintain Teams and SharePoint sharing governance.
• Develop and maintain technical documentation, runbooks, and knowledge articles.
• Partner with IT and business teams to validate functionality, resolve issues, and drive adoption of Microsoft 365 solutions.
• Mentor and provide technical guidance to junior engineers.

• Strong working knowledge of Microsoft 365 administration, including Exchange Online, hybrid/onpremises Exchange, Microsoft Teams, SharePoint Online, and OneDrive.
• Handson experience administering Microsoft Entra ID, including Conditional Access, MFA, SSO, enterprise applications, and security baselines.
• Practical experience managing mail flow, connectors, transport rules, message tracing, email hygiene, journaling, and retention.
• Experience developing and supporting automation using Power Automate, PowerShell, and/or Microsoft Graph for administration and reporting.
• Working knowledge of Microsoft Purview, including retention, eDiscovery, and DLP, as well as Microsoft Defender for Office 365 and Exchange Online Protection
• Experience administering and governing Microsoft Teams, including channels, meetings, voice basics, policies, and provisioning.
• Strong troubleshooting, documentation, communication, and crossfunctional collaboration skills.
• Demonstrated experience administering or engineering Microsoft 365 environments in a professional setting.

• An Associate degree in Information Technology, Computer Science, or a related field is preferred; equivalent handson industry experience may be considered in lieu of a degree.

• Relevant Microsoft certifications or training are preferred, such as Microsoft 365 Administrator, Teams Administrator, SharePoint Administrator, Messaging Administrator, or related Microsoft cloud and collaboration technologies.

• Capability for sedentary work, including sitting for long periods and occasionally exerting up to 25 pounds of force.

• This is a remote position with occasional travel to Xtensys, customer, or healthcare partner locations based on business needs, generally up to 10%.
• Occasional afterhours or weekend support may be required for scheduled maintenance, system validation, incident response, or participation in an oncall rotation, based on business needs.