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Senior Security Analyst – Hybrid (GTA)

CoreFactor · Mississauga

Permanent Hybrid Senior 🇬🇧 English
SIEM EDR Threat Hunting Incident Response Network Security Security Frameworks

Job description

About the role

The Senior Security Analyst will join the Cyber Security Operations team to strengthen and mature the organisation's security operations capabilities. Working in a hybrid model, the analyst will provide senior‑level expertise in monitoring, detection, investigation and incident response across endpoint, network, cloud, identity and enterprise platforms.

Key responsibilities

  • Monitor, triage and investigate security alerts from SIEM, EDR, email, identity, cloud and network platforms.
  • Lead complex incident investigations, including scoping, containment coordination, root‑cause analysis and post‑incident follow‑up.
  • Perform advanced threat hunting and anomaly analysis to uncover malicious activity and emerging attack patterns.
  • Develop, tune and optimise detection logic, SIEM use cases, correlation rules, playbooks and alerting processes.
  • Partner with infrastructure, cloud, networking and application teams to support containment, eradication and recovery.
  • Review endpoint, network, identity and cloud telemetry to assess impact and guide risk‑based response decisions.
  • Maintain incident response procedures, playbooks, escalation paths and documentation.
  • Translate threat intelligence into actionable detection and response improvements.
  • Provide 24x7 incident response support and senior operational guidance during major security events.
  • Identify opportunities to improve SOC processes, detection coverage, automation and analyst workflows.

Required profile

  • Highly motivated security professional with strong analytical, technical and problem‑solving skills.
  • Deep expertise in security monitoring, alert triage, incident investigation, threat detection and containment across multiple platforms.
  • Experience acting as a senior liaison between technical teams and business stakeholders.
  • Solid foundation in security frameworks, attack techniques and operational best practices.

Required skills

  • SIEM
  • EDR
  • Threat Hunting
  • Incident Response
  • Cloud Security
  • Network Security
  • Identity Management
  • Security Frameworks

Questions fréquentes

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Le contrat proposé est un Permanent basé à Mississauga.

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Published 3 months ago

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CoreFactor

Mississauga