Senior Consultant - Microsoft Sentinel and Defender Engineer

Other locations: Primary Location Only

Date: 21 Sept 2026

Requisition ID:

At EY, we’re all in to shape your future with confidence.

We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go.

Join EY and help to build a better working world.

The chance

EY is seeking a senior, hands‑on Microsoft security engineer to support the design, implementation, and continuous improvement of our Managed Detection and Response (MDR) services. You will work directly with clients and delivery teams to architect and deploy Microsoft Sentinel, engineer detections and security use cases, build automation with Azure Logic Apps, develop operational workbooks, and integrate Microsoft Defender solutions.



You will also help onboard and operate customer environments through Azure Lighthouse and Microsoft Entra B2B. The successful candidate combines deep engineering experience with clear client communication, practical problem solving, and ownership from design through production support.

This job posting relates to an existing vacancy within our organization.

Your role at a glance

Key responsibilities

As a senior technical member of the MDR team, you will:

Microsoft Sentinel architecture and implementation

- Lead the technical design and implementation of Microsoft Sentinel SIEM and SOAR solutions for new and existing MDR clients.
- Design workspace, data ingestion, retention, access-control, and multi-tenant operating models that

📌 Senior Consultant (Calgary)
🏢 EY
📍 Calgary