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Added 3 mins ago
Human Resources Manager
TreeHouse Foods
Brantford, ON · ON Brantford
$96,700 to $145,100 CAD / year
Full-time
Enrollment in our wellness and employee assistance programs! Paid holidays, vacation, and other competitive paid time off opportunities!
Added 3 mins ago
Sr. Business Systems Analyst
TD
Toronto, ON
Full-time
Lead requirement gathering: understand our systems and business processes to develop new requirements that change our systems for the better.
Added 3 mins ago
Senior Manager Finance Delivery
TD
Toronto, ON
Full-time
Lead complex Finance transformation projects or a portfolio of related initiatives with moderate to high risk, complexity, and regulatory oversight.
Added 3 mins ago
Assistant Branch Manager II - St. Catharines, Welland & Niagara Falls Ontario
TD
Welland, ON · Niagara Falls, ON · St. Catharines, ON
Full-time
Lead teams in completing investment and unsecured credit compliance transactions and complex activities that affect the bank
Added 3 mins ago
Quality Engineering III
TD
Toronto, ON
Full-time
Lead the creation of comprehensive, effective end-to-end test strategies and plans for platforms and projects on high profile, complex and high-risk initiatives with significant impact to…
Added 3 mins ago
Project Manager - Liability Management
Vertex Resource Group
Sherwood Park, AB
Join Vertex and lead environmental impact with purpose. We're seeking a passionate and driven Project Manager – Liability Management to oversee and advance key environmental programs…
Added 3 mins ago
Senior Manager, Core Trade Finance Operations
TD
Toronto, ON · Montreal, QC
Full-time
…in international trade finance and a demonstrated ability to lead high-performing teams within a complex, highly regulated operating environment. The successful candidate will bring…
Added 3 mins ago
Senior IT Developer
TD
Toronto, ON
Full-time
Bachelor's or Master's degree in technology programs
Added 3 mins ago
Senior Manager, Talent Acquisition Performance & Business Management
TD
Toronto, ON
Full-time
…data-driven, best-in-class function. The Senior Manager will lead a team that own the data, workforce and capacity planning, budget, operational performance and organizational health,…
Added 3 mins ago
Senior Finance Analyst
TD
Toronto, ON
Full-time
Working with senior management and lead in the development / implementation of new financial models, methodologies to support the business in understanding the budgetary impact of their…
Added 3 mins ago
Technical Product Owner, AI & Machine Learning Solutions
TD
Toronto, ON
Full-time
Lead cross-functional teams of machine learning scientists, machine learning engineers, data scientists and software engineers to deliver production-grade AI solutions.
Added 3 mins ago
Registered Nurse (RN)- Evening Line
Baptist Housing Seniors Living
White Rock, BC
$41.42 to $55.91 CAD / hour
Full-time
…environment where support for you is prioritized. As the RN, you’ll lead the care team, develop personalized care plans, assess residents’ needs, and perform essential nursing…
Added 3 mins ago
Bench Store Manager
Michaels Stores
Calgary, AB
Full-time
Lead and manage all aspects of the store, including adherence to Standard Operating Procedures (SOP’s) and Company programs to ensure compliance to applicable laws and requirements; ensure…
Added 3 mins ago
Senior Manager, Data Engineering
Heart & Stroke
Remote, Canada
Full-time · Remote
…values and core mission work to support all people in Canada to lead healthier lives. We are committed to applying this principle to cultivate a welcoming environment that embraces…
Added 3 mins ago
Manager, Safety, Programs Alignment and Contractor Management
TC Energy
Calgary, AB
Full-time
This position leads the occupational safety, programs alignment, and contractor safety functions within the Integrated Safety and Contractor Management team. The successful candidate will…
Added 3 mins ago
Department Manager III, Meat
Co-op
Lloydminster, AB
Full-time
Lead, coach and motivate staff to improve productivity, engagement and retention.
Added 16 mins ago
Program Manager - BCY Disaster Risk Reduction (DRR) & Climate Change Adaptation (CCA)
Canadian Red Cross
BC · British Columbia, Canada
Full-time
Lead and support the delivery of disaster risk reduction and climate change (DRR-CCA) initiatives. Reporting to the Sr. Manager of Operations, this role is critical in enhancing readiness…
Added 16 mins ago
Full-Time Building Services Manager - Verve Aspen Woods Retirement Residence (2026-10814)
Verve Senior Living
Calgary, AB
Full-time
Establish and manage preventative maintenance programs, including routine inspections, life safety systems testing, and documentation.
Added 16 mins ago
Network Development Manager
YAMAHA MOTOR CANADA LTD.
Toronto, ON · North York, ON
Full-time
Lead DX initiatives including DMS integration and network performance tools. Serve as the primary liaison and subject matter expert for the NOVA platform and its vendor, ensuring outputs…
Added 16 mins ago
Financial Manager - PLM (Product Line Mgmt)
Husky Technologies
Bolton, ON
Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…
Added 16 mins ago
Internal Auditor (Business Control & IT)
Husky Technologies
Bolton, ON
Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…
Added 16 mins ago
Assembly Technician
Husky Technologies
Bolton, ON
Full-time
Lead cross-training and knowledge sharing activities with other team members
Added 16 mins ago
US Retirement Savings Specialist
Altis
Toronto, ON
$85,000 to $95,000 CAD / year
Full-time
…United States? We are recruiting for a US Retirement and Savings Programs Specialist to join a collaborative HR team within a large organization. This newly created position offers the…
Added 16 mins ago
Manager, Account Sales & Planning
Samsung Electronics
Mississauga, ON
Full-time
The incumbent will lead regular meetings with customers in these segments and will be a trusted advisor capable of effectively communicating and executing SECA's vision and goals. A key…
Added 16 mins ago
Senior Account Manager - Health and Safety
Lifemark Health Group
Toronto, ON
$80,000 to $120,000 CAD / year
Full-time
Lead consultative sales discussions to understand client challenges and develop tailored Occupational Health solutions that improve workforce health, safety, productivity, and employee…

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.

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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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