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Senior Microsoft 365 Engineer - Exchange Online

Company: TJX Canada – Winners, Marshalls, HomeSense

Location: mississauga, London

Posted: June 19, 2026

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Position Details

Join TJX Canada as a Senior Engineer focused on Microsoft 365 and Exchange Online, driving impactful collaboration solutions for a global team. Innovate secure and efficient communications that enhance user experiences.
In this role, you will spearhead the engineering initiatives for Exchange Online, improving enterprise messaging and driving operational efficiency. As part of a dedicated product team, your leadership will facilitate critical technical improvements and governance, ensuring optimal platform performance. This position emphasizes strategic thinking and customer-centric service.
Key Responsibilities:
• Administer and improve Exchange Online messaging services
• Lead design of mail flow and transport rules
• Drive service health and operational efficiency initiatives
• Create documentation for consistent team support
• Mentor junior engineers and lead innovative projects
Requirements:
• Proven experience in Microsoft 365 engineering
• In-depth ...