Microsoft Defender Lead

MNP; Burlington; On-site; CAD 120,000 - 190,000; Full time

Job summary

MNP Digital is Canada’s leading consulting and technology partner, delivering innovative solutions to help organizations thrive in a rapidly changing world. We are seeking a Microsoft Defender Lead to design, implement, and optimize Defender and related security solutions across managed client environments.

The role requires deep Microsoft Defender expertise, Entra ID, Intune, Sentinel, and automation capabilities, with responsibility for incident investigation, threat hunting, vulnerability

Qualifications

• 7–10+ years of experience in enterprise IT and cybersecurity.
• 5+ years of Microsoft security experience preferred.
• Experience in an MSP or multi-tenant Microsoft environment.
• Strong Defender expertise across Microsoft security stack.
• Proficient in Entra ID, Intune, Sentinel and Purview.
• Advanced scripting with PowerShell and querying with KQL.

Responsibilities

• Act as the technical SME for Microsoft Defender technologies.
• Provide advanced technical support and troubleshooting for Defender issues.
• Assist teams with escalated security incidents.
• Perform root-cause analysis of recurring issues and develop remediation strategies.
• Design, implement, and optimize Defender solutions across client environments.
• Review Defender configurations and drive security improvements.
• Develop and maintain Defender standards and best practices.
• Support Defender onboarding and migration projects.
• Provide guidance for new and existing client environments.
• Maintain documentation, runbooks, and procedures.
• Collaborate with Microsoft support on complex product issues.

Skills

Microsoft Defender

Microsoft Entra ID

Microsoft Intune

Microsoft Sentinel

Microsoft Purview

PowerShell

KQL

Automation

Security investigations

Zero Trust

Security Architecture

Executive communication

Job description

What do you think of when you hear the name MNP? We are more than a prominent consulting firm in tax and accounting, we are redefining how organizations succeed in the digital age by bridging strategic vision, technical innovation, and operational execution to deliver transformative results.

Make an impact as we strengthen our Managed Services practice in the role of Microsoft Defender Lead. Join a diverse team of tech-savvy problem solvers dedicated to supporting clients across Canada with innovative collaboration technologies and scalable IT solutions. The ideal candidate would be the technical subject matter expert responsible for the design, implementation, administration, troubleshooting, optimization, and continuous improvement of Microsoft Defender and Microsoft security solutions across managed client environments.

The Microsoft Defender Lead provides advanced technical expertise across the Microsoft Defender security portfolio, Microsoft Entra ID, Microsoft Intune, Microsoft Sentinel, Microsoft Purview, Microsoft Security Exposure Management, and related Microsoft security technologies. This role supports the design and operation of secure Microsoft environments and provides technical guidance to Service Desk, Infrastructure, Cloud, Security Operations, Project Delivery, Solution Architecture, and Client Account teams. They would be responsible for ensuring Microsoft security solutions are appropriately configured, monitored, maintained, licensed, and optimized. The role also provides advanced incident investigation, threat hunting, vulnerability management, security architecture, automation, and technical advisory services.

The ideal candidate also serves as a key technical escalation resource for complex Microsoft security issues and works directly with Microsoft when vendor escalation or advanced product support is required. They would also combine deep Microsoft security expertise, strong troubleshooting and analytical capabilities, excellent communication skills, automation experience, and a customer-focused mindset.

MNP Digital is Canada's leading consulting and technology partner, delivering innovative solutions that help organizations thrive in a rapidly changing world. Join a collaborative team that embraces innovation, values professional growth, and empowers you to make an impact.

Responsibilities

• Act as the technical subject matter expert for Microsoft Defender technologies.
• Provide advanced technical support and troubleshooting for complex Defender issues.
• Assist technical teams with escalated security incidents.
• Perform root-cause analysis of recurring security issues.
• Develop permanent remediation strategies.
• Design, implement, and optimize Defender solutions.
• Review existing Defender configurations and identify security improvements.
• Develop and maintain Microsoft Defender standards and best practices.
• Support Microsoft Defender onboarding and migration projects.
• Provide technical guidance for new and existing client environments.
• Maintain technical documentation, standards, procedures, and runbooks.
• Work with Microsoft support on complex product issues.

Skills And Experience

• 7–10+ years of experience in enterprise IT and cybersecurity.
• 5+ years of Microsoft security experience preferred.
• Experience working within an MSP or multi-tenant Microsoft environment.
• Strong Microsoft Defender expertise.
• Strong Microsoft Entra ID expertise.
• Strong Microsoft Intune knowledge.
• Advanced KQL knowledge.
• Advanced PowerShell knowledge.
• Experience with Microsoft security APIs and automation.
• Experience performing security investigations.
• Strong understanding of Zero Trust.
• Experience communicating security risks to technical and executive audiences.
• Microsoft Security Platform Integration
  • Microsoft Entra ID
  • Microsoft Intune
  • Microsoft Sentinel
  • Microsoft Purview
• Security Operations and Threat Hunting
• Vulnerability & Exposure Management
• Microsoft Security Licensing
• Microsoft Security Architecture
• Security Standards & Governance