Senior M365 Messaging Specialist - Canada Remote
Core
Architect, deploy, and maintain Microsoft Exchange Online and hybrid environments, alongside Proofpoint security solutions, for a global organization of 100,000+ mailboxes.
Role type
Senior M365 Messaging Specialist (IC)
Builds
Secure, scalable global messaging infrastructure supporting life sciences, diagnostics, and biotechnology businesses.
Domain
Enterprise IT / Cloud Messaging / Cybersecurity
Deliverable
production ML models | product features | dashboards & analysis | infrastructure
Required skills
Microsoft Exchange Online architecture, Proofpoint administration, email authentication protocols (SPF/DKIM/DMARC), PowerShell scripting, eDiscovery and legal hold management, mail flow troubleshooting, TLS configuration.
Preferred skills
Experience with Microsoft 365 Compliance Center, email encryption solutions, migration and integration of messaging services during acquisitions.
Technologies
Microsoft Exchange Online, Microsoft 365, Proofpoint, Microsoft Defender for Office 365, PowerShell
Responsibilities
Lead architecture and deployment of hybrid Exchange environments; Administer email security gateways and authentication policies; Provide Tier 3 support and mentor junior engineers; Develop automation scripts for system administration and reporting.
Seniority
Senior, hands-on IC
