Contract

Sr. Microsoft 365 Security Engineer to implement, manage, and optimize MS Defender solutions

Posted by S.i. Systems • Ottawa, Ontario, Canada

📍 Ottawa, Ontario 🕒 March 02, 2026

About the Role

Our valued client is looking for a Sr. Microsoft Security Engineer to implement, manage, and optimize MS Defender solutions.

Tasks include (tasks will be a mix of cloud and on-prem resources):

  • Implement, manage, and optimize Microsoft Defender solutions to protect the organization's digital assets working closely with the Information and Security Compliance team
  • Implement and Configure Security Tools/Features: Deploy and configure Microsoft Defender for Endpoint, Microsoft Defender for Office , and other related security solutions. Configure Intune for device health/compliance. Secure SharePoint and Teams information sharing
  • Security Policy Development: Develop and enforce security policies, procedures, and best practices for Microsoft environments
  • Reporting and Documentation: Maintain detailed documentation of processes, configurations, and compliance reports
  • Collaboration: Work closely with IT teams, stakeholders, and external pa...
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