Sr. Microsoft 365 Security Engineer to implement, manage, and optimize MS Defender solutions
S.i. Systems
Toronto, ON-
Number of positions available : 1
- Salary To be discussed
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Contract job
- Published on January 29th, 2026
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Starting date : 1 position to fill as soon as possible
Description
Our valued client is looking for a Sr. Microsoft 365 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 365, 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 365 environments
- Reporting and Documentation: Maintain detailed documentation of processes, configurations, and compliance reports
- Collaboration: Work closely with IT teams, stakeholders, and external partners to ensure comprehensive security coverage
- Compliance Assessments: Conduct regular compliance assessments using Microsoft Compliance Manager to ensure adherence to regulatory requirements and organizational policies
- Control Implementation: Implement and manage compliance controls within Microsoft 365 environments to mitigate risks and ensure compliance
- Compliance Reporting: Generate and review compliance reports to identify gaps and areas for improvement
- Policy Updates: Regularly update and maintain compliance policies and procedures in line with regulatory changes and organizational needs
- Audit Support: Provide support during internal and external audits, ensuring all compliance documentation is up-to-date and readily available
Deliverables:
- Security Configuration Reports: Detailed reports on the configuration and optimization of Microsoft Defender solutions
- Compliance Reports: Documentation and reports to ensure compliance with industry standards and regulations
- Compliance Assessment Reports: Detailed reports from compliance assessments conducted using Microsoft Compliance Manager
- Audit Documentation: Comprehensive documentation to support internal and external audits
Must have:
- Eligible for the client's internal security clearance
- Deep understanding of cyber security principles, Microsoft 365 environments, advanced threat protection mechanisms, and compliance management
Nice to have:
- Experience with Microsoft Defender
AI may be used in evaluating candidates.
This posting is for an existing vacancy.
Requirements
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