Senior Systems Administrator – Microsoft 365 Email & Collaboration
Core
Design, administer, secure, and support Microsoft 365 services including Exchange Online, Teams, SharePoint, and Entra ID for enterprise messaging and collaboration.
Role type
Senior Systems Administrator (Microsoft 365)
Builds
Secure, reliable, and scalable communication and collaboration services for enterprise users.
Domain
IT Operations / Cloud Infrastructure / Microsoft 365
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Microsoft 365 administration, Exchange Online, Microsoft Teams, SharePoint Online, Entra ID, SMTP relay, email routing, PowerShell automation, email security controls (SPF, DKIM, DMARC), identity security, complex troubleshooting, project leadership
Preferred skills
Microsoft 365 Security and Compliance, Exchange Online Protection, Defender, Conditional Access, large-scale environment management, application modernization
Technologies
Exchange Online, Microsoft Teams, SharePoint Online, OneDrive, Entra ID, PowerShell, SMTP, Azure
Responsibilities
Administer and support Microsoft 365 services; Lead strategic projects involving security, compliance, migrations, and automation; Design and troubleshoot enterprise email routing solutions; Integrate custom and third-party applications with M365 services; Investigate and resolve complex Tier 3 escalations; Implement and maintain security controls and governance standards; Develop PowerShell automation and reporting processes; Provide white-glove support for executive initiatives; Collaborate with cybersecurity and infrastructure teams to improve service reliability.
Seniority
Senior, hands-on IC with project leadership