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Senior M365 Migration Specialist for Excel VBA Macro & Office Add-in Transformation

Company: S.i. Systems

Location: Toronto, London

Posted: June 12, 2026

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Position Details

Duration: 3-6 months contract

Location: Toronto-based preferred)

Remote, Some onsite work may be required (downtown Toronto

Overview

Out Health care client is undertaking an enterprise transition to Microsoft (M), including deployment of M desktop applications and phased retirement of legacy Microsoft Office versions.

As part of this initiative, they requires a senior technical resource to support the remediation of Office macros and add-ins to ensure business continuity during the transition.

Must Haves

  • Strong hands-on experience with:
  • Excel VBA/macros
  • Office add-ins (COM/VSTO)
  • Experience supporting:
  • Office upgrades or M transitions 
  • Legacy Office compatibility remediation
  • Strong troubleshooting and debugging skills
  • Ability to work independently in a complex enterprise environment 
  • Nice to Have