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Added 3 mins ago
BC
Registered Nurse - CCU
Brant Community Healthcare System
Brantford, ON
- Full-time
At BCHS, we are driven by a bold vision: To Lead Beyond Care. As a two-site community hospital system in Brantford and Paris, Ontario, we serve with purpose, passion, and a deep commitment…
Added 3 mins ago
BC
Registered Practical Nurse - B5
Brant Community Healthcare System
Brantford, ON
- Full-time
At BCHS, we are driven by a bold vision: To Lead Beyond Care. As a two-site community hospital system in Brantford and Paris, Ontario, we serve with purpose, passion, and a deep commitment…
Added 3 mins ago
BC
Registered Nurse - CCU
Brant Community Healthcare System
Brantford, ON
- Full-time
At BCHS, we are driven by a bold vision: To Lead Beyond Care. As a two-site community hospital system in Brantford and Paris, Ontario, we serve with purpose, passion, and a deep commitment…
Added 3 mins ago
AI
Project Manager
ATS Industrial Automation
Cambridge, ON
- Full-time
…kickoff through successful delivery and closeout. You will lead cross-functional project teams, manage scope, schedule, budget, risk and change, and serve as the key point of contact for…
Added 3 mins ago
V
Lead Software Engineer
Virtusa
Toronto, ON
- Full-time
Lead discovery and grooming workshops to capture functional requirements and write user stories with acceptance criteria.
Added 3 mins ago
SD
Specialist, Virtual Card Services
Shoppers Drug Mart Specialty Health Network
Mississauga, ON
- Full-time
The Specialist, Virtual Card Services is responsible for providing troubleshooting and technical support for financial assistance cards used in patient support programs which simplify…
Added 4 mins ago
FC
Assistant Branch Manager Hamilton/Halton
FirstOntario Credit Union
Hamilton, ON
- Full-time
Job Specifications and Technical Requirements
Added 4 mins ago
C
Train Conductor
CN
Kamloops, BC
- Full-time
Completion of College or Vocational or Technical School or Freight Conductor experience*
Added 4 mins ago
R
Senior Software/Robotics Engineer - Navigation & Planning
Ribbit
Burlington, ON
- $153,920 to $168,480 CAD / year
- Full-time
Lead development of the navigation stack: mission and flight planning, trajectory generation, and the guidance targets passed to the flight controller. You will shape its architecture and…
Added 4 mins ago
L
LL Product Manager
Linedata
Toronto, ON
- Full-time
Maintains market and technical knowledge by reviewing professional publications; establishing professional networks; participating in professional associations.
Added 4 mins ago
R
Senior Software/Robotics Engineer - State Estimation
Ribbit
Burlington, ON
- $153,920 to $168,480 CAD / year
- Full-time
Lead development of the state estimation stack. You will shape its architecture and roadmap, lead design reviews, and hold the bar on code quality
Added 4 mins ago
ME
Data & Compliance Coordinator / Team Lead
META Employment Services
Brampton, ON
- Contract
As Team Lead, the position provides day-to-day guidance to staff on data, documentation, reporting and systems; coordinates priorities; supports training and onboarding; follows up on…
Added 19 mins ago
J
Staff Embedded Software Engineer, Virtualization
Jobgether
Canada
- $137,300 to $181,890 CAD / year
- Full-time
Lead technical design reviews, establish high engineering standards, and mentor colleagues on real-time systems, clean software architecture, and maintainable C, C++, and Python practices.
Added 19 mins ago
W
Principal Electrical Engineer
Worley
Sarnia, ON
- Full-time
The Lead Electrical Engineer will lead the development and delivery of safe, practical, and fit-for-purpose electrical engineering solutions across the project lifecycle. The role requires…
Added 19 mins ago
M
Director, Digital Storefront Performance & Insights
Manulife
Toronto, ON
- Full-time
Reporting to the Global Head of Digital Content Delivery, the Director, Digital Storefront Performance & Insights will lead the measurement, performance intelligence, reporting and insights…
Added 32 mins ago
SM
RQ11482 – Business Analyst – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
…translate business and data requirements into functional and technical specifications, facilitate Agile practices, develop business cases, and support process improvements. The role…
Added 32 mins ago
LI
Business Analyst
Lotus IT Solutions
Toronto, ON
- Contract
Lead and conduct business analysis to assess client business problems and opportunities, documenting requirements to support the determination of I&IT solutions
Added 32 mins ago
SM
RQ11482 – Business Analyst – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
…translate business and data requirements into functional and technical specifications, facilitate Agile practices, develop business cases, and support process improvements. The role…
Added 32 mins ago
LI
Solutions Designer
Lotus IT Solutions
Toronto, ON
- Contract
The Ministry of Public and Business Service Delivery and Procurement is seeking a Senior Solutions Designer to lead a Proof of Concept (POC) initiative within the Enterprise Financial…
Added 32 mins ago
SM
RQ11350 – Test Lead – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Test Lead with extensive experience in quality assurance, manual testing, test strategy development, test planning, test execution, defect management, and User…
Added 32 mins ago
WI
Principal Waste-to-Energy Engineer
WSP in Canada
SK · Saskatchewan, Canada
- Full-time
Lead the technical delivery of Waste-to-Energy and energy recovery projects from feasibility and concept development through commissioning and operations.
Added 32 mins ago
HI
Technical Lead
HISH IT SERVICES
Toronto, ON
- $55 CAD / hour
- Contract
Added 32 mins ago
WI
Principal Waste-to-Energy Engineer
WSP in Canada
Canada
- Full-time
Lead the technical delivery of Waste-to-Energy and energy recovery projects from feasibility and concept development through commissioning and operations.
Added 32 mins ago
SM
RQ11350 – Test Lead – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Test Lead with extensive experience in quality assurance, manual testing, test strategy development, test planning, test execution, defect management, and User…
Added 32 mins ago
SM
RQ11482 – Business Analyst – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
…translate business and data requirements into functional and technical specifications, facilitate Agile practices, develop business cases, and support process improvements. The role…

Closed listing

Apptoza Inc.

CSP- Cybersecurity Platform Tools Tower Lead

Calgary, AB, Canada

Contract

This opening has closed.

The original listing is kept below for reference.

Find open jobs More jobs with this employer

About employer

Job details

Job type: Contract
Closing date: Nov 6, 2026
Posting language: English
Posted: Oct 7, 2026

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Original job description

Archived listing. The details below describe a past opening.

Required Skillset:

Microsoft Defender for Endpoint (MDE)

Microsoft Defender for Identity (MDI)

Microsoft Defender for Cloud Apps (MDCA)

CrowdStrike Falcon

Proofpoint Email Security

Security Incident Investigation and Response

Threat Hunting and Threat Intelligence

Endpoint Detection & Response (EDR)

SIEM/SOAR integration knowledge (Microsoft Sentinel preferred)

Windows Server and Active Directory Security

Email Security and Anti-Phishing Controls

Security Monitoring and Alert Triage

Job Summary

We are seeking an experienced and highly motivated Security Tools Team Lead to lead the administration, optimization, and continuous improvement of enterprise cybersecurity platforms. The role requires deep expertise in CrowdStrike EDR, Microsoft Defender for Endpoint (MDE), Microsoft Defender for Identity (MDI), Microsoft Defender for Cloud Apps (MDCA), and Proofpoint Email Security. The successful candidate will lead a team of security specialists, manage daily operations, drive cybersecurity initiatives, support incident response activities, and collaborate closely with SOC, Infrastructure, Cloud, and Business teams.

The ideal candidate will possess strong technical expertise, leadership capabilities, stakeholder management skills, and a proactive mindset focused on enhancing the organization's security posture.

________________________________________

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

About employer

More about this job

Responsibilities

Lead the administration, optimization, and continuous improvement of enterprise security platforms, including Microsoft Defender, CrowdStrike Falcon, and Proofpoint. Manage security operations and incident response, conduct threat hunting, improve detections and monitoring, and collaborate with SOC, infrastructure, cloud, and business teams.

Requirements

The role requires deep technical expertise in Microsoft Defender products, CrowdStrike Falcon, Proofpoint Email Security, incident response, threat hunting, and SIEM/SOAR integration. It also calls for team leadership, stakeholder management, and experience supporting security monitoring, endpoint protection, and enterprise security initiatives.

Skills

Microsoft Defender for Endpoint
Microsoft Defender for Identity
Microsoft Defender for Cloud Apps
CrowdStrike Falcon
Proofpoint Email Security
Security Incident Investigation and Response
Threat Hunting
Threat Intelligence
Endpoint Detection and Response
SIEM/SOAR Integration
Microsoft Sentinel
Windows Server Security
Active Directory Security
Email Security
Security Monitoring and Alert Triage
Team Leadership

Visa sponsorship

Not detected in the job text

Keywords

Microsoft Defender for Endpoint
Microsoft Defender for Identity
Microsoft Defender for Cloud Apps
CrowdStrike Falcon
Proofpoint Email Security
Endpoint Detection and Response
SIEM
SOAR
Microsoft Sentinel
Security Incident Investigation
Incident Response
Root Cause Analysis
Threat Hunting
Threat Intelligence
Endpoint Protection
Windows Server
Active Directory
Email Security
Anti-Phishing Controls
Security Monitoring
Alert Triage
Detection Rules
Security Policies
Security Dashboards
Vulnerability Management
Security Compliance
Security Operations
Team Leadership
Stakeholder Management

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