Design scalable KQL detections for Microsoft Sentinel and Defender XDR in PSP Investments’ hybrid Montreal SOC, supporting global threat defense.
As a Senior Developer, Threat Defense and Detection Engineering, you will translate intelligence, hunting, response, and testing recommendations into production security use cases. You will work with hunters, responders, platform teams, and PSP’s managed security service provider. The role combines Python, PowerShell, Azure DevOps, MITRE ATT&CK;, and enterprise telemetry engineering across cloud and corporate environments.
Key Responsibilities: Design scalable KQL detection logic for Sentinel and Defender XDR
Implement EDR, XDR, and network preventive controls
Test, document, and release detections through Azure DevOps
Support production detections,



automations, and incident response
Guide analysts on KQL and detection engineering standards
Requirements: Five years of hands-on cybersecurity experience minimum
Advanced KQL skills for detection and hunting queries
Enterprise Microsoft Sentinel experience with rules and playbooks
Python, PowerShell, Git, code review, and CI/CD practice
Bachelor’s degree or equivalent technical experience
Apply your detection engineering, KQL, and Microsoft security expertise to strengthen PSP Investments’ global cyber defense capabilities.

#J-18808-Ljbffr

📌 Senior Detection Engineering Developer (Quebec City)
🏢 PSP Investments | Investissements PSP
📍 Quebec City