Senior Specialist, Cybersecurity

Great-Canadian • toronto, on, Canada • Posted June 19, 2026

Location toronto, on
Job Type Full-time
Category Other-General
Posted June 19, 2026

Under the guidance of the Manager, Cybersecurity Operations, the Senior Cybersecurity Specialist is responsible for the day-to-day operation, management, and continuous improvement of the organization’s cybersecurity tools and processes. This role is a key member of the Security Operations team, actively monitoring, triaging, and responding to security alerts and incidents. The analyst plays a hands‑on role in managing security infrastructure, threat intelligence integration, and ensuring the operational effectiveness of security controls.

Key Accountabilities

Security Monitoring & Incident Response

  • Monitor, analyze, and triage security alerts from SIEM, EDR, firewall, and other security platforms.
  • Perform Tier 2/3 incident response, including threat containment, eradication, and recovery.
  • Conduct root cause analysis and post‑incident reviews to inform improvements.
  • Contribute to the maintenance of incident response ...

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