Use Microsoft Sentinel and Microsoft security tools to analyze enterprise alerts as a Senior Information Security Analyst in Toronto, Ontario.

TD seeks a senior cybersecurity skilled with practical SIEM experience and broad security knowledge. This position supports threat detection, investigation outcomes, and operational improvement through Microsoft Sentinel, Microsoft Defender products, Microsoft Entra ID, and Splunk. You will work across identity, endpoint, cloud, network, email, and application environments.

Key Responsibilities:

- Review security data and support detection investigations
- Work with Microsoft Sentinel and Defender products
- Identify detection gaps and suspicious activity
- Collaborate with SOC and incident response teams




- Improve monitoring needs and security outcomes

Requirements:

- Experience in cybersecurity operations or threat hunting
- Hands-on Microsoft Sentinel and Microsoft security suite experience
- Ability to review SIEM detections using Splunk
- Familiarity with cloud identity, access, logging, and monitoring
- Ability to assess accurate, actionable security alerts

Bring SIEM analysis, Microsoft security ecosystem knowledge, and investigative judgment to TD's enterprise monitoring work.

📌 Senior SIEM Security Analyst Microsoft Sentinel (Toronto)
🏢 TD
📍 Toronto