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Added 20 mins ago
Senior Site Reliability Engineer
Zodiac Solutions, Inc
Toronto, ON
Full-time
As an Intermediate Site Reliability Engineer, you will support and continuously improve enterprise Azure and Databricks platforms. The role focuses on production reliability, monitoring,…
Added 36 mins ago
Senior Cloud Infrastructure Engineer
Signal 1
Toronto, ON
Full-time
We are looking for a Senior Cloud Infrastructure Engineer to join our small, hands-on Infrastructure Team. You will:
Added 50 mins ago
Systems Administrator
Eckler Ltd. / Eckler ltée
Toronto, ON · Greater Toronto Area, Canada
$82,000 to $95,000 CAD / year
Full-time
Reporting to the Senior Infrastructure Engineer, the Systems Administrator supports the security, reliability, performance, and continuous improvement of Eckler’s hybrid technology…
Added 50 mins ago
Cloud Engineer
Morson Edge (Canada)
Oakville, ON
$95,000 to $135,000 CAD / year
Full-time
Morson Edge is seeking an experienced Cloud Engineer to join a growing infrastructure team. This role is ideal for a cloud professional with strong Microsoft Azure expertise who is…
Added 2 hours ago
Senior DevOps Engineer
Boeing
Richmond, BC · Vancouver, BC · CAN - Richmond, Canada
Full-time
Boeing Vancouver is seeking a Senior DevOps Engineer, reporting to the Manager of Defence & Government Services working out of the Richmond, BC office.
Added 3 hours ago
METS Principal Information Security Engineer - ITS5
Minnesota Direct Care and Treatment
Saint-Paul, NB · St.-Paul, NB
Full-time
The Principal Information Security Engineer (PISE) is a senior cybersecurity leader responsible for planning, designing, implementing, and maintaining enterprise-wide information security…
Added 3 hours ago
Senior Java Software Engineer
Randstad Enterprise
Montreal, QC
Contract
Job Title: Senior Java Developer Consultant Role
Added 3 hours ago
Student, Engineering, Calgary (January 2027)
Cenovus Energy
Calgary, AB
Student, Operations Lab; Student, Production Engineering; Student, Project Engineering; Student, Mid-Range Planning Coordinator
Added 13 hours ago
Senior Cloud Security Engineer
HOOPP (Healthcare of Ontario Pension Plan)
Toronto, ON · CA ON Toronto
$103,000 to $153,000 CAD / year
Full-time
Our Information Security Operations team plays a key role in securing HOOPP's cloud environments and supporting our cloud-first strategy. As a Senior Cloud Security Engineer, reporting to…
Added 22 hours ago
Senior Systems Engineer - Identity and Access Management
Electronic Arts (EA)
Vancouver, BC
Full-time
We are looking for an experienced Senior Systems Engineer with deep expertise in both Identity & Access Management (IAM) and Windows Systems Administration to join our Identity Security…
Added 23 hours ago
Director, AI Delivery & Portfolio Management – Global Payments Technology
Royal Bank of Canada
Toronto, ON
Full-time
Build trusted relationships across business, engineering, platform, payments operations, compliance, and governance functions; serve as the primary delivery point of contact for senior…
Added 23 hours ago
Project Engineer - Generation – Stations
Raise
Burnaby, BC
Full-time
Raise is currently hiring a Project Engineer - Generation – Stations on behalf of our client. They’re expanding their team to meet growing needs, making this a unique opportunity to work…
Added 23 hours ago
Director, Cardiovascular, Stroke & Chronic Diseases
William Osler Health System
Brampton, ON
Full-time
…Health System (Osler) provides a safe and supportive health care network to grow your career. Osler is nationally recognized for its commitment to patient safety and is Accredited with…
Added 1 day ago
Senior Engineer, Project Model Validation
MatchBox Consulting Group
Calgary, AB
Full-time
MatchBox Consulting Group is seeking a Senior Engineer, Model Validation for a permanent position with a leading organization in Alberta’s electricity sector.
Added 1 day ago
Senior Security Engineer
Metrics Recruitment
Vancouver, BC
Full-time
We’re looking for a Senior Security Engineer to take a hands-on role across security operations, offensive security, and cloud security. You’ll combine an attacker mindset with defensive…
Added 1 day ago
Senior Technical Architect II
Bell
Toronto, ON
…focus on power infrastructure and energy management. In this senior technical leadership role, you will drive the technology roadmap for site-level power systems, evaluate and introduce…
Added 1 day ago
Lead Network Engineer
Future Electronics
Kirkland, QC
Full-time
…as the ultimate technical escalation point while overseeing network engineering standards, documentation, resilience, and strategic alignment across IT Infrastructure &…
Added 1 day ago
Director, AI Delivery & Portfolio Management – Global Payments Technology
RBC
Toronto, ON
Full-time
Build trusted relationships across business, engineering, platform, payments operations, compliance, and governance functions; serve as the primary delivery point of contact for senior…
Added 1 day ago
Intermediate / Senior Mechanical Engineer
EXP
London, ON
Full-time
Be our next Intermediate / Senior Mechanical Engineer!
Added 1 day ago
Senior Software Engineer (AI Integration & Modernization)
Urban Ridge Supplies
Markham, ON
Full-time
We are hiring a Senior Software Engineer to own the design and delivery of production AI capabilities across a broad portfolio of software businesses. You will work directly with product…
Added 1 day ago
Maintenance Control Supervisor
Flair Airlines Ltd.
Toronto, ON
Full-time
Support the Senior Manager, Maintenance Operations, during the Maintenance Control Manager’s absence, maintaining continuity of MCC operations and supporting operational decision-making.
Added 1 day ago
Software Engineer III
LodgeLink
Calgary, AB
Full-time
This role is ideal for a highly skilled engineer who has demonstrated success delivering complex software solutions and is ready to take greater ownership of technical design,…
Added 1 day ago
Software Technical Leader
Cisco
Fredericton, NB
Full-time
Senior Software Engineer - Cloud Data Ingestion Platform
Added 1 day ago
Software Technical Leader
Cisco
Halifax, NS
Full-time
Senior Software Engineer - Cloud Data Ingestion Platform
Added 1 day ago
Senior Project Manager, Design and estimation
MENARD Canada Inc.
Vancouver, BC
Full-time
…expanding its service offering and leveraging its national network to consolidate its position in the field of floor…

Senior Consultant - Microsoft Sentinel and Defender Engineer

Winnipeg, MB, R3C 4G9, Canada
Toronto, ON, M5H 0B3, Canada
Quebec, QC, Canada
Saskatoon, SK, S7K 5R5, Canada
Halifax, NS, B3J 0C3, Canada
St. John's, NL, A1E 0E4, Canada
Saint John, NB, Canada
London, ON, N6A 5S7, Canada
Vancouver, BC, V6E 4E5, Canada
Victoria, BC, V8W 2B7, Canada
Edmonton, AB, T5H 0E7, Canada
Ottawa, ON, K1P 6B9, Canada
Dieppe, NB, Canada
ON, Canada
AB, Canada
Waterloo, ON, N2L 0J6, Canada
Calgary, AB, T2P 1M4, Canada

Apply by: Dec 23, 2026
Posting language: English
Posted: Sep 21, 2026

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Original job description

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 opportunity

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 account for security, regulatory, scalability, and cost requirements.
Configure Microsoft Sentinel in the Microsoft Defender portal, Log Analytics workspaces, data connectors, diagnostic settings, content solutions, watchlists, and supporting Azure resources.
Detection engineering and threat analytics
Create, test, tune, document, and maintain analytics rules, hunting queries, parsers, and functions using Kusto Query Language (KQL).
Translate threat scenarios, intelligence, customer risks, and operational requirements into practical detection use cases mapped to recognized frameworks such as MITRE ATT&CK.
Integrate and correlate telemetry from Microsoft Defender XDR, Microsoft Defender for Cloud, Microsoft Entra ID, Azure, Microsoft 365, and third-party security technologies.
Automation, orchestration, and reporting
Design, build, secure, and troubleshoot Microsoft Sentinel automation rules and playbooks using Azure Logic Apps.
Automate incident enrichment, triage, notification, containment, remediation, ticketing, and evidence collection across Microsoft and third-party systems.
Develop Microsoft Sentinel workbooks and service dashboards that provide actionable views of threats, incidents, coverage, operational performance, and data ingestion.
Multi-tenant onboarding and engineering
Design and implement secure cross-tenant access using Azure Lighthouse and Microsoft Entra B2B collaboration.
Work with customer identity, cloud, network, and security teams to establish permissions, managed identities, service principals, and least-privilege role assignments.
Troubleshoot complex onboarding, data-connector, ingestion, query, automation, and access issues across customer environments.
MDR service engineering and client collaboration
Provide senior technical support for incident investigation, threat hunting, detection tuning, platform health, and continuous service improvement.
Lead technical workshops, gather requirements, explain design decisions, and provide clear recommendations to client security and technology stakeholders.
Produce solution designs, deployment plans, runbooks, testing evidence, operational documentation, and knowledge-transfer material.
Provide technical guidance and peer review to engineers and analysts without direct people-management responsibility.

Skills and attributes for success

Substantial hands-on experience designing, implementing, and operating Microsoft Sentinel in enterprise or managed-service environments.
Advanced KQL skills and demonstrated experience developing analytics rules, hunting queries, functions, parsers, workbooks, and detection content.
Strong experience with Microsoft Defender XDR, including relevant Defender products across endpoints, identity, email and collaboration, cloud apps, and cloud workloads.
Hands-on experience building Azure Logic Apps, Microsoft Sentinel playbooks, and automation rules, including API-based integration, authentication, permissions, error handling, and monitoring.
Experience architecting Microsoft Sentinel deployments, including workspace strategy, data connectors, ingestion and retention, role-based access control, and operational cost management.
Experience implementing and supporting multi-tenant access with Azure Lighthouse and Microsoft Entra B2B collaboration.
Understanding of incident response, threat hunting, detection engineering, security operations, and common threat frameworks.
Ability to lead technical discussions with clients, convert requirements into implementable designs, and communicate complex concepts clearly.
Ability to work independently, manage competing priorities, document work, review peer solutions, and take ownership of technical outcomes.

Qualifications

Bachelor’s degree or diploma in computer science, information technology, cybersecurity, engineering, or a related discipline, or equivalent practical experience.
Typically, seven or more years of cybersecurity experience, including significant recent experience delivering Microsoft Sentinel and Defender engineering work.
Experience working in a client-facing consulting, MSSP, MDR, or enterprise security engineering role.
Microsoft Certified: Security Operations Analyst Associate (SC-200) is preferred. Azure, identity, architecture, or security certifications are considered an asset.
Experience with source control, infrastructure as code, CI/CD, or deployment automation for Microsoft Sentinel content is considered an asset.
Experience integrating Microsoft Sentinel with IT service management, threat intelligence, network security, identity, endpoint, email, or cloud platforms is considered an asset.

What we offer

At EY, our Total Rewards package supports our commitment to creating a leading people culture - built on high-performance teaming - where everyone can achieve their potential and contribute to building a better working world for our people, our clients and our communities. It's one of the many reasons we repeatedly win awards for being a great place to work

We offer a competitive compensation package where you’ll be rewarded based on your performance and recognized for the value you bring to our business. In addition, our Total Rewards package allows you decide which benefits are right for you and which ones help you create a solid foundation for your future. Our Total Rewards package includes a comprehensive medical, prescription drug and dental coverage, a defined contribution pension plan, a great vacation policy plus firm paid days that allow you to enjoy longer long weekends throughout the year, statutory holidays and paid personal days (based on province of residence), and a range of exciting programs and benefits designed to support your physical, financial and social well-being. Plus, we offer:

Support and coaching from some of the most engaging colleagues in the industry
Learning opportunities to develop new skills and progress your career
The freedom and flexibility to handle your role in a way that’s right for you.

EY reports salary ranges in accordance with applicable provincial pay transparency legislation. Individual salaries within the anticipated salary ranges noted below are determined through a wide variety of factors including but not limited to internal equity, education, relevant experience, knowledge, and applicable skill sets.

Toronto, Calgary, Vancouver, Edmonton: $90,500 to $126,000 per year

Inclusiveness at EY

Inclusiveness is at the heart of who we are and how we work. We’re committed to fostering an environment where differences are valued, policies and practices are equitable, and our people feel a sense of belonging. We embrace diversity and are committed to combating systemic racism, advancing gender equity and women in leadership, advocating for the 2SLGBTQIA+ community, promoting our neuroinclusion and accessibility initiatives, and are dedicated to amplifying the voices of Indigenous peoples (First Nations, Inuit, and Métis) nationally as we strive towards reconciliation. Our diverse experiences, abilities, backgrounds, and perspectives make our people unique and help guide us. Because when people feel free to be their authentic selves at work, they bring their best and are empowered to build a better working world.

Learn about our commitment to Inclusiveness at https://www.ey.com/en_ca/about-us/corporate-responsibility/equity

EY | Building a better working world

EY is building a better working world by creating new value for clients, people, society and the planet, while building trust in capital markets.

Enabled by data, AI and advanced technology, EY teams help clients shape the future with confidence and develop answers for the most pressing issues of today and tomorrow.

EY teams work across a full spectrum of services in assurance, consulting, tax, strategy and transactions. Fueled by sector insights, a globally connected, multi-disciplinary network and diverse ecosystem partners, EY teams can provide services in more than 150 countries and territories.

At EY, we use artificial intelligence (AI) tools as one element of our recruitment process to enhance efficiency and improve the candidate experience. While AI supports us in our process, human judgment and decision-making remain integral in our candidate experience. We are committed to the responsible use of AI, and our practices are continuously reviewed and refined to ensure they align with ethical principles and regulatory requirements.

To all recruitment agencies: EY does not accept unsolicited resumes from recruitment agencies. Any resumes submitted without a prior agreement or request from our hiring team will not be considered. EY is not responsible for any fees related to unsolicited resumes.

Apply About employer

More about this job

Responsibilities

You will lead the technical design and implementation of Microsoft Sentinel and Defender solutions for MDR clients. Additionally, you will develop automation playbooks, create detection rules, and collaborate with stakeholders to ensure robust security operations.

Requirements

Candidates must have at least seven years of cybersecurity experience with significant expertise in Microsoft Sentinel and Defender engineering. A bachelor's degree in a relevant field is required, and professional certifications such as SC-200 are preferred.

Skills

Microsoft Sentinel
Microsoft Defender
Kusto Query Language
Azure Logic Apps
SIEM
SOAR
Threat hunting
Detection engineering
Azure Lighthouse
Microsoft Entra B2B
Incident response
Cloud security
Automation
Data ingestion
Role-based access control
Client communication

Benefits

Medical coverage
Prescription drug coverage
Dental coverage
Vacation policy
Paid personal days
Statutory holidays

Visa sponsorship

Not detected in the job text

Keywords

Microsoft Sentinel
Microsoft Defender XDR
SIEM
SOAR
KQL
Azure Logic Apps
Azure Lighthouse
Microsoft Entra B2B
Detection Engineering
Threat Hunting
MDR
MSSP
Cybersecurity
Cloud Security
Automation
Incident Response
MITRE ATT&CK
Log Analytics
Workbooks
API Integration
Infrastructure as Code
CI/CD
SC-200
Consulting
Identity Management
Network Security
Data Connectors
Managed Detection and Response
Security Operations
Risk Management

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