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Added 4 mins ago
CC
IT Developer Associate
Centrum Concierge & Security Ltd.
Surrey, BC
- Full-time
Centrum Concierge & Security Ltd. is looking for an IT Developer Associate to join our development team and help shape new tech initiatives and products - including web apps and their…
Added 18 mins ago
SJ
Lead IAM Developer
So Jobs
Mississauga, ON
- Full-time
Are you passionate about leading enterprise identity security transformations and designing scalable Identity Governance & Administration (IGA) solutions that strengthen security,…
Added 18 mins ago
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Regional Operations Manager - HVAC
BGIS
Montreal, QC
- Full-time
Proven ability to lead, motivate, and develop skilled HVAC trades professionals
Added 18 mins ago
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JAVA full stack DEVELOPER || Canada
TestingXperts
Toronto, ON
- Contract
We are seeking an experienced Full Stack Java Lead to lead the design, development, and delivery of scalable, secure, and high-performance enterprise applications. The ideal candidate…
Added 18 mins ago
GE
Director of Pricing and Business Analytics
GFL Environmental Inc.
Vaughan, ON
- Full-time
Reporting directly to the VP, Operations Strategy, you will lead a dynamic team to drive performance and deliver value-added decision support across the business. Key responsibilities…
Added 18 mins ago
UO
Programmer Analyst I
University of British Columbia
Vancouver, BC · UBCV | University Services Building (USB)
- $7,158.42 to $10,292.25 CAD / month
- Full-time
…conversational assistants, agentic AI tools and workflows, cloud-hosted services, and data pipelines and analytics - in support of UBC’s role in the responsible use of Artificial…
Added 34 mins ago
YU
Systems Administrator
Yorkville University
Toronto, ON
- Full-time
Reporting to the Director IT Security and Infrastructure we are hiring a Systems Administrator to join our IT team at Yorkville University. As our new Systems Administrator, you will be…
Added 49 mins ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Under the direction of the designated IT Manager, the Application and Integration Technical Analyst is a technical lead responsible for system architecture, data strategy, and integration…
Added 49 mins ago
AS
IT Procurement Project Manager
Alquemy Search & Consulting
Calgary, AB
- Contract
…Enterprise Architects, Infrastructure Managers, Information Security Officers, and software leads to uncover, synthesize, and structure complex architectural, security, and operational…
Added 49 mins ago
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Senior IT Infrastructure Engineer
Cytel
Canada
- Full-time
The Senior Azure Engineer will independently lead complex technical workstreams, make sound implementation decisions, troubleshoot difficult production issues, contribute to architecture…
Added 49 mins ago
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3DEXPERIENCE DevOps Specialist
Techso
Montreal, QC
- Full-time
Experience in cloud security and Identity and Access Management (IAM);
Added 49 mins ago
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DIRECTOR OF INFORMATION TECHNOLOGY
Lacroix Médecine Privée
Quebec, QC
- Full-time
…administrative activities, including ERP, CRM, DME, LIS, SaaS, and cloud…
Added 49 mins ago
KS
Data Engineer
Kumaran Systems
Toronto, ON
- Full-time
Lead and execute on-premises to Azure cloud migrations for data platforms, ETL workflows, and applications.
Added 49 mins ago
KS
Python Lead
Kumaran Systems
Toronto, ON
- Full-time
Deep understanding of sudo and /etc/sudoers - privilege delegation, NOPASSWD rules, security
Added 1 hour ago
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Staff Product Manager, Professional Experience
ecobee
Toronto, ON
- Full-time
Our hive is looking for a Staff Product Manager to lead the professional experience, a dedicated focus for ecobee. Professionals strongly influence which controls are installed and…
Added 1 hour ago
Lead, Cyber Security
Westerkirk
Calgary, AB
The Cybersecurity Lead is responsible for shaping and advancing De Havilland's cybersecurity program across enterprise IT and operational technology environments. This role combines…
Added 1 hour ago
System Architect - Krembil Centre for Neuroinformatics
CAMH
Toronto, ON
Lead the design and evolution of the IYS platform's cloud and solution architecture on GCP, aligning it with research and program objectives and requirements for scalability, security, and…
Added 1 hour ago
JG
Gen AI Developer
J&M Group
Mississauga, ON
- Contract
Lead and enable development teams to effectively use GenAI tools and frameworks.
Added 1 hour ago
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GitHub Enterprise & DevOps Administrator
Raise
Burnaby, BC
- Full-time
…Engineering team. In this role, you will collaborate closely with ’s Lead GitHub Administrator and the Cloud Centre of Excellence (CCoE) Lead to support and maintain the Enterprise GitHub…
Added 1 hour ago
R
Senior DevSecOps and Application Security SME
Raise
Vancouver, BC
- Full-time
Application Onboarding & Supply Chain Security: Lead application security onboarding, software supply chain risk management, vulnerability management, and risk-based remediation workflows.
Added 1 hour ago
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EDGE Google Inside Sales
Accenture
Toronto, ON
- Full-time
…decision-makers, you will spark the initial conversations that lead to groundbreaking change. You will be their guide to what's possible, connecting them with innovative Accenture solutions…
Added 1 hour ago
BI Architect
GFT Technologies SE
Toronto, ON
Lead the modernization of Guidewire operational reports from Actuate BIRT to the client's target analytics platform based on Microsoft Azure Databricks and Microsoft Fabric.
Added 1 hour ago
GP
Staff Product Manager, Professional Experience
Generac Power Systems
Toronto, ON · Canada - Toronto
- Full-time
Our hive is looking for a Staff Product Manager to lead the professional experience, a dedicated focus for ecobee. Professionals strongly influence which controls are installed and…
Added 1 hour ago
AC
Product Manager - SAP Release Manager
Air Canada
Toronto, ON
- Full-time
Air Canada seeks a highly motivated and experienced Product Manager (SAP Release Manager) to lead the end-to-end planning, governance, coordination, and execution of SAP releases. The role…
Added 1 hour ago
AI
Security Engineer
Apptoza Inc.
Calgary, AB
- Contract
WE’RE HIRING: CSP TOOLS TOWER LEAD / MICROSOFT DEFENDER SECURITY ENGINEER

Apptoza Inc.

CSP Tools Tower Lead

Calgary, AB, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 26, 2026
Posting language: English
Posted: Oct 27, 2026

Original job description

Key Responsibilities:

Administer and support Microsoft Defender Suite (MDE, MDI, MDCA).

Manage CrowdStrike Falcon platform including policy tuning, threat detection, and endpoint protection.

Monitor and administer Proofpoint email security solutions to protect against phishing, malware, and business email compromise attacks.

Investigate security alerts and incidents, perform root cause analysis, and provide remediation recommendations.

Conduct proactive threat hunting across endpoints, identities, cloud applications, and email environments.

Fine-tune detection rules and security policies to reduce false positives and improve security visibility.

Integrate security tools with SIEM platforms such as Microsoft Sentinel.

Develop and maintain security monitoring dashboards, reports, and operational documentation.

Collaborate with infrastructure, application, and SOC teams during incident response and remediation activities.

Support vulnerability management and security compliance initiatives

Microsoft Defender for Endpoint (MDE) - Admin

Microsoft Defender for Identity (MDI) - Admin

Microsoft Defender for Cloud Apps (MDCA) - Admin

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More about this job

Responsibilities

Administer Microsoft Defender, CrowdStrike Falcon, and Proofpoint security platforms, and investigate alerts and incidents while conducting proactive threat hunting. Tune detections and policies, integrate tools with SIEM platforms such as Microsoft Sentinel, maintain monitoring documentation, and collaborate on incident response, vulnerability management, and compliance.

Requirements

The role calls for mid-senior-level experience administering endpoint, identity, cloud application, and email security tools. It also involves incident investigation, threat hunting, SIEM integration, detection tuning, and collaboration with SOC and infrastructure teams; no education requirements are specified.

Skills

Microsoft Defender for Endpoint
Microsoft Defender for Identity
Microsoft Defender for Cloud Apps
CrowdStrike Falcon
Proofpoint
Security Incident Investigation
Root Cause Analysis
Threat Hunting
Detection Rule Tuning
Security Policy Administration
Microsoft Sentinel
SIEM Integration
Security Monitoring
Incident Response
Vulnerability Management
Security Compliance

Visa sponsorship

Not detected in the job text

Keywords

Microsoft Defender Suite
Microsoft Defender for Endpoint
Microsoft Defender for Identity
Microsoft Defender for Cloud Apps
CrowdStrike Falcon
Proofpoint
Microsoft Sentinel
SIEM
Endpoint Protection
Email Security
Phishing
Malware
Business Email Compromise
Security Alerts
Incident Investigation
Root Cause Analysis
Remediation
Threat Hunting
Detection Rules
Security Policies
Security Monitoring
Dashboards
Operational Documentation
Incident Response
Vulnerability Management
Security Compliance
SOC

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