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Exchange Online Support Specialist Remote

Company: S I Systems

Location: calgary, London

Posted: June 01, 2026

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Position Details

Elevate enterprise messaging operations as an Intermediate Exchange Online Support Specialist. Collaborate in a large-scale Microsoft 365 environment while focusing on troubleshooting and continuous improvement.
Our public sector client is looking for an Intermediate Exchange Online Support Specialist with at least 6 years of experience. In this contract role, you will support over 18,000 enterprise users. Your expertise in Microsoft 365, Proofpoint, and Microsoft Purview will be critical for ensuring operational reliability and email security.
Key Responsibilities:
• Provide daily support for Exchange Online services
• Monitor and resolve mail flow and delivery issues
• Manage security with Proofpoint and Microsoft Defender
• Oversee DMARC, DKIM, and SPF configurations
• Administer mailbox provisioning and permissions
Requirements:
• 6+ years in Exchange Online and email operations
• 6+ years in Active Directory systems administration
• 6+ years in Mic...