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Added 7 mins ago
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Azure BSA ( Hybrid )
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- Full-time
Experience with Data Lake/ Azure Data Factory, python, SQL Server, Tableau/ Power BI.
Added 7 mins ago
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Software Engineer in Test
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Mississauga, ON
- $103,554 to $115,200 CAD / year
- Full-time
· 8 years of experience in a Quality Engineering role with a proven track record in designing and developing test automation frameworks
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Senior Data Scientist - AI/ML
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Toronto, ON
- Contract
Advanced proficiency in Python for data science, machine learning, and Generative AI development.
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- Full-time
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Data Scientist II
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- Full-time
Collaborate with Data Solutions, Data Engineering, and Technology partners to define detailed data curation requirements, business rules, data quality expectations, and enhancement…
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Advisor, Procurement Governance and Systems
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Senior Autonomy Validation Specialist / Spécialiste senior de la validation de l’autonomie
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- Full-time
…continues to lead the industry in technological excellence and engineering…
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Triton Compiler Engineering Manager
Intel Corporation
Toronto, ON · CAN - - Toronto
- Full-time
The Data Center Group (DCG) is at the forefront of advancing data-centric solutions for global-scale computing. Responsible for delivering high-performance technologies and innovations,…
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Student-Factory Planning, AI & Simulation
PowerCo SE
St. Thomas, ON
…planning, simulation development, BIM coordination, and digital engineering workflows. The role will explore innovative approaches such as AI-assisted layout generation, simulation…
Added 25 mins ago
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Analyste QA senior, SDET – Tests de paiements, d’API et d’événements / Senior QA Analyst, SDET – Payments, API & Event Testing
Expleo
Montreal, QC
- Contract
Added 25 mins ago
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Senior Software Engineer
Pebl
Remote, Canada
- $122,835 to $180,000 CAD / year
- Full-time
- Remote
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Added 38 mins ago
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Markham, ON
- $100,000 to $140,000 CAD / year
- Full-time
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Added 40 mins ago
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Conseiller(ère) en ingénierie de données intermédiaire
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- Full-time
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Conseiller(ère) en ingénierie de données intermédiaire (GRV)
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Conseiller(ère) en ingénierie de données intermédiaire
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Conseiller(ère) en ingénierie de données intermédiaire (GRV)
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Added 40 mins ago
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Added 53 mins ago
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Software Developer
SMARTFOX
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- Full-time
Developer II - 2-5 years : Delivering features end to end, designing APIs and data models, reviewing code, mentoring newer developers
Added 55 mins ago
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Senior Data Scientist
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Saint John, NB
- Full-time
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Added 55 mins ago
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Application Development Senior Manager - Vice President
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Proficiency in at least one programming language commonly used for data analytics, engineering, such as Python or Scala.
Added 55 mins ago
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Senior Manager, Data Engineer, Applied AI Data Ingestion & Integration
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Toronto, ON · FCP
- Full-time
8-10 years of experience in Data Engineering/ support, or related analytics disciplines, preferably within large enterprise environments.
Added 55 mins ago
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Technical Product Manager – Aviation Maintenance Data
Boeing
Vancouver, BC · Richmond, BC · CAN - Richmond, Canada
- Full-time
As a Technical Product Manager, you’ll play a pivotal role in developing a data-driven analytics platform that is a foundation to a suite of advanced products in the areas of airplane…

Questrade Financial Group

Principal Cybersecurity Specialist, Incident Response

Toronto, ON, Canada

Base salary range: $120,000 - $140,000

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Job details

Pay: Base salary range: $120,000 - $140,000
Posting language: English
Posted: Oct 9, 2026

Original job description

Questrade Financial Group (QFG), through its companies - Questrade, Questbank, Questrade Wealth Management, Community Trust Company, Zolo, and Flexiti, provides securities and foreign currency investment, professionally managed investment portfolios, mortgages, real estate services, financial services and more. We use cutting-edge technology to help Canadians become much more financially successful and secure.

At QFG, we combine human-centric collaboration with AI-driven innovation to redefine financial services. The ideal candidate will be a catalyst for change, using AI to transform and deliver unparalleled customer experiences and shaping a future where AI empowers our teams to do their best work.

Join our diverse, inclusive, and hybrid workplace to unleash your creativity and nurture your curiosity without limits. If you share this sense of infinite possibility, come shape your future at QFG.

What’s in it for you as an employee of QFG?

Health & wellbeing resources and programs
Paid vacation, personal, and sick days for work-life balance
Competitive compensation and benefits packages
Work-life balance in a hybrid environment with at least 3 days in office
Career growth and development opportunities
Opportunities to contribute to community causes
Work with diverse team members in an inclusive and collaborative environment

This job posting is for an existing vacancy.

We’re looking for our next Principal Cybersecurity Specialist, Incident Response. Could It Be You?

The Principal Cybersecurity Specialist, Incident Response is a critical contributor to delivering sustainable and measurable results in identifying and responding to cyber threats - safeguarding our company's infrastructure and data. You will be primarily involved in leading the alert development cycle, triaging and investigating alerts, managing the full incident response lifecycle (investigation, containment, eradication, and recovery) and collecting and tracking metrics for reporting. The Principal Cybersecurity Specialist, Incident Response works alongside internal customers and our vendor support teams to ensure we are utilizing our security tools in accordance with corporate policies and growing business needs. You will work closely with Cybersecurity and IT teams to align priorities and execute plans for new initiatives, as well as drive process improvements and establish documentation for new tools.

Need more details? Keep reading…

In this role, responsibilities include but are not limited to:

Mentoring and elevating the technical capabilities of the SOC team.
Monitoring, analyzing and reporting possible cybersecurity attacks.
Investigating and performing analysis of threat indicators.
Gathering Indicators of compromise and any relevant data to use with threat hunting activities.
Leveraging security tools (Elastic, CrowdStrike and more) for analysis to identify malicious activities.
Analyzing identified malicious activity to determine Tactics, Techniques and Procedures.
Conducting research, analysis and correlating gathered data from various resources to determine the impact of the incident.
Leading containment and eradication efforts, making critical decisions during high-severity incidents.
Participating in on-call and hands-on scheduled shift rotations, including outside of business hours.
Leading Security Incident Response and serving as the escalation point for complex investigations across internal teams and third party providers.
Documenting incident timelines, evidence, and actions taken for post-incident review.
Leading post-incident reviews and driving continuous improvement from lessons learned.
Defining and continuously improving the SOC's incident response playbooks, runbooks, and detection strategy.
Designing and leading tabletop exercises and IR simulations.
Coordinating and running proactive investigations and threat hunts across corporate environments and detecting malicious activities.
Maintaining up-to-date understanding of security threats, countermeasures, security tools, cloud security and SaaS technologies.
Setting the standard for technical proficiency; evaluating and recommending tools, techniques, and methodologies for the team.
Presenting investigation, incident response findings and strategic recommendations to senior leadership and executive stakeholders.
Defining, owning, and reporting on SOC operational metrics (MTTD, MTTR, alert fidelity) and using data to drive strategic improvements.

So are YOU our next Principal Cybersecurity Specialist, Incident Response? You are if you have…

8+ years of relevant experience in performing and leading Cybersecurity Incident Response and Threat Hunting activities in a complex incident management or Security Operations Center environment
Extensive experience designing, implementing and optimizing detection rules and detection-as-code frameworks
Demonstrated expertise integrating security tools via APIs for automation, and hands-on experience implementing Security Orchestration, Automation, and Response (SOAR) workflows
Deep expertise leading complex, multi-vector investigations and incident response using EDR tools such as CrowdStrike Falcon and SIEM tools such as Elastic Security (KQL, ESQL, Timeline analysis)
Advanced experience with forensic triage (disk, memory, network) and multiple operating systems (Mac, Linux, Windows)
Proven track record of designing and maturing SOC processes, playbooks, detection strategies, SIEM correlation rules, and incident reports
Proven ability to lead incident management for high-severity incidents, with excellent communication under pressure
Proficiency in programming languages such as Python, JavaScript and others for security automation and tooling development
Deep understanding of NIST Cybersecurity Framework, MITRE ATT&CK, and ability to apply them to detection engineering and threat modeling
Comprehensive understanding of security products and device monitoring tools including Firewalls, IDS/IPS, Phishing and e-mail security, content filtering, DDoS, WAF, and more
Demonstrated experience mentoring and developing technical skills across a security team
Strong ability to translate technical findings into strategic recommendations for leadership
Experience with cloud-native security monitoring (GCP, AWS, Azure)

Additional kudos if you…

Hold GCIH, GCED, CCFR, HTB CDSA, GCFA, CHFI, GREM, OSCP, CISSP or similar relevant certifications

Additional Information…

Operating hours for this role are standard office hours, Monday to Friday with on-call scheduled rotations, including weekends and evenings

Compensation Information:

Base salary range: $120,000 - $140,000
The final compensation package will be commensurate with the successful candidate's experience, skills, and geographic location (Canada). It includes a comprehensive benefits plan and a competitive incentive (bonus) program for Full-Time Permanent roles.

Sounds like you? Click below to apply!

At Questrade Financial Group of Companies, with multiple office locations around the world, we are committed to fostering a diverse, inclusive and accessible work environment. This is an environment where individuals are treated with dignity and respect. Here, the unique skills and experience you bring will be valued. You will be supported and motivated, so that you can harness your unlimited potential. Our team reflects the diversity of the communities we serve and operate in. Having a collaborative and diverse team helps us push boundaries to bring the future of fintech into existence - not only for the benefit of our customers, but for those who build their career with us.

Questrade Financial Group of companies Applicant Tracking System utilizes artificial intelligence (AI) for application screening. The AI system operates on predetermined criteria, with final decisions subject to human review.

Candidates selected for an interview will be contacted directly. If you require accommodation during the recruitment/selection process, please let us know and we will work with you to meet your needs.

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More about this job

Responsibilities

The Principal Cybersecurity Specialist leads the incident response lifecycle, including investigation, containment, and eradication of cyber threats. They are also responsible for mentoring the SOC team, developing detection strategies, and reporting operational metrics to senior leadership.

Requirements

Candidates must have 8+ years of experience in cybersecurity incident response and threat hunting within complex environments. Proficiency in EDR/SIEM tools, programming for automation, and a deep understanding of security frameworks like NIST and MITRE ATT&CK are required.

Skills

Cybersecurity
Incident Response
Threat Hunting
Detection Engineering
SIEM
EDR
CrowdStrike Falcon
Elastic Security
Python
JavaScript
SOAR
Forensic Triage
Cloud Security
NIST Cybersecurity Framework
MITRE ATT&CK
Leadership

Benefits

Health and wellbeing resources
Paid vacation
Personal days
Sick days
Competitive compensation
Benefits packages
Incentive bonus program

Visa sponsorship

Not detected in the job text

Keywords

Cybersecurity
Incident Response
Threat Hunting
SOC
Elastic
CrowdStrike
KQL
ESQL
SOAR
Python
JavaScript
NIST
MITRE ATT&CK
GCP
AWS
Azure
GCIH
GCED
CCFR
GCFA
CHFI
GREM
OSCP
CISSP
Firewalls
IDS/IPS
DDoS
WAF
Detection-as-code
Forensics

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