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Information Security Analyst 3 (Cybersecurity Incident Response

Job in Toronto, Ontario, C6A, Canada
Listing for: TechAlliance of Southwestern Ontario, London Economic Development Corporation
Full Time position
Listed on 2026-08-08
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security & Data Protection, IT Consultant, Security Management & Operations
Salary/Wage Range or Industry Benchmark: 85000 - 135000 CAD Yearly CAD 85000.00 135000.00 YEAR
Job Description & How to Apply Below
Position: Information Security Analyst 3 (Cybersecurity Incident Response)

Information Security Analyst 3 (Cybersecurity Incident Response)

Description:

Permanent Full Time

-

We are seeking an experienced Senior Analyst in Cybersecurity Incident Response (CSIRT) to play a key role in detecting, investigating, and coordinating the response to cybersecurity incidents across the organization. This role is critical to protecting our business, data, and clients by ensuring rapid, effective, and efficient responses to cybersecurity incidents and threats. The ideal candidate will have deep expertise in the incident response lifecycle, strong technical skills, and the ability to collaborate across various departments and stakeholders.

As part of our Information Security team, you will lead or play a key role in high-profile investigations and contributing to develop and implement response plans for diverse security incidents. Your work will directly contribute to minimizing risks, safeguarding sensitive information, and enhancing the overall cybersecurity posture of our organization.

What you will do

Cybersecurity Incident Response

  • Perform the end-to-end security incident response process, including preparation, detection, analysis, containment, eradication, recovery, and post-incident review.
  • Act as a point of contact and coordinator during security incidents, managing incident communications and escalating as needed.
  • Establish and maintain incident response playbooks, procedures, and runbooks aligned with industry frameworks (NIST, ISO 27035, SANS, etc.).
  • Coordinate with the Security Operations Center (SOC) team, Threat Intelligence, and Vulnerability Management to proactively detect and respond to potential threats.
  • Document, classify, and report security incidents in accordance with established procedures, and lead root cause analysis (RCA) activities to identify lessons learned and improvement opportunities.
  • Participate in tabletop exercises and simulations to assess and improve the organization’s incident response readiness.

Cybersecurity Investigations and Threat Analysis

  • Conduct security investigations to determine the cause, scope, and impact of security breaches.
  • Perform evidence gathering to support investigations, ensuring chain of custody and compliance with legal and regulatory standards.
  • Work with the Threat Intelligence team to analyze and respond to advanced persistent threats (APTs), malware outbreaks, ransomware incidents, and other cyberattacks.
  • Stay informed of emerging threats, vulnerabilities, and adversary tactics, techniques, and procedures (TTPs), and apply threat intelligence to incident investigations, response activities, and continuous improvement efforts.

Collaboration and Stakeholder Engagement

  • Act as a liaison between the Cybersecurity Incident Response Team (CSIRT) and business units, IT, Legal, Compliance, Risk, and external vendors.
  • Assist with internal audit, governance, and risk management teams to ensure alignment with corporate security policies and regulatory requirements.
  • Communicate effectively with senior leadership during high-severity incidents, providing regular updates on impact, response activities, and mitigation plans.
  • Contribute to the business continuity and disaster recovery teams to ensure seamless integration of incident response with overall organizational resilience.

Process Development and Maturity

  • Contribute to enhance and refine the incident response framework to align with evolving threats, business objectives, and regulatory landscapes.
  • Help develop and maintain comprehensive incident response policies, standards, and guidelines that address the needs of the business while aligning with global best practices.
  • Contribute to key performance indicators (KPIs) and metrics to measure the effectiveness and efficiency of the incident response program.
  • Lead initiatives to automate and optimize incident response activities through the integration of SOAR (Security Orchestration, Automation, and Response) platforms and other tools.

Mentorship and Technical Leadership

  • Serve as a senior technical resource and subject matter expert for the incident response team.
  • Mentor and provide guidance to junior analysts on investigative methodologies, response techniques, and cybersecurity best practices.
  • Review investigation findings and provide quality assurance for incident documentation and reporting.
  • Contribute to a culture of continuous learning, knowledge sharing, and operational excellence.

What you will bring

  • Bachelor's degree in computer science, Cybersecurity, Information Technology, or a related field, or equivalent practical experience.
  • 5+ years of cybersecurity experience, including at least 3 years of incident response, threat detection, digital forensics, or security operations.
  • Hands-on experience investigating and responding to cybersecurity incidents in enterprise environments.
  • Strong understanding of the incident response lifecycle and industry frameworks such as NIST 800-61, MITRE ATT&CK, and ISO 27035.
  • Experience working with SIEM, EDR/XDR, identity protection,…
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