Information Security Analyst (Detection Engineer)

TD is seeking a Senior Information Security Analyst to enhance our enterprise cybersecurity monitoring and detection capabilities. In this role, you will develop, tune, and maintain security detections using SIEM platforms like Splunk and Microsoft Sentinel. You will analyze security events, improve alert quality, and collaborate with various teams to strengthen our security posture.

• Develop, tune, and maintain security detections across SIEM and monitoring platforms
• Analyze security events and telemetry to identify suspicious activity and detection gaps
• Hands-on experience with Splunk and Microsoft Sentinel
• Apply cybersecurity knowledge across identity, endpoint, cloud, network, and application security
• Collaborate with SOC, incident response, and engineering teams
• Assess alert accuracy, actionability, and operational value