Office 365 Engineer (Microsoft 365)

TL;DR

Office 365 Engineer (Microsoft 365): Designing, implementing, and maintaining Exchange, Teams, and Entra ID infrastructure with an accent on mail flow architecture, security, and identity management. Focus on managing large-scale migrations, automating user lifecycles via PowerShell, and ensuring compliance through DLP and Microsoft Purview.

Location: Must be based in Ontario, Canada

Salary: $80,000 – $90,000

Company

Leading provider of financial management and Customer Information Systems (CIS) software solutions serving the Public Sector, Schools, Utilities, and Healthcare organizations across North America.

What you will do

• Lead the design, configuration, and administration of Exchange Online, including mailbox provisioning and tenant-to-tenant migrations.
• Architect and manage end-to-end mail flow, including connectors, transport rules, and DNS records (MX, SPF, DKIM, DMARC).
• Own Exchange Online Protection (EOP) and Microsoft Defender for Office 365, tuning anti-phishing and anti-spam policies.
• Deploy and maintain M365 DLP policies and Microsoft Purview compliance solutions (retention, sensitivity labels, eDiscovery).
• Develop PowerShell automation scripts for bulk operations, user lifecycle workflows, and Microsoft Graph API integrations.
• Administer Microsoft Teams policies, Teams Rooms (MTR) devices, and Entra ID identity management.

Requirements

• Strong experience with Exchange (on-premises and hybrid), Teams, and Azure AD (Entra ID).
• Expertise in mail flow, DNS records, and email authentication protocols.
• Proficiency in PowerShell for automation and reporting.
• Experience acting as a Tier 3/4 escalation point for email incidents and performing Root Cause Analysis (RCA).
• Knowledge of Windows Active Directory, TCP/IP, DHCP, and DNS.
• Location: Must be based in Ontario, Canada

Nice to have

• Experience with large-scale Exchange migrations and tenant consolidations.
• Microsoft certifications in Exchange, Teams, Microsoft 365, or Azure.
• Experience administering RingCentral user provisioning and IVR.