Senior Threat Detection Developer Montreal

Shape detection standards and ATT&CK coverage as a Senior Threat Detection Developer with PSP Investments in Montreal. Collaborate across global security operations in a four-day in-office hybrid model.

Reporting to the Senior Manager, Security Operations Centre, you will work with hunters, responders, platform teams, and managed security specialists. The role combines KQL engineering, security automation, incident support, vulnerability assessment, and technical guidance. PSP’s stack includes Microsoft Sentinel, Microsoft Defender XDR, CrowdStrike Falcon, and Azure DevOps.

Key Responsibilities:

• Define detection engineering standards and reusable technical patterns
• Coordinate mitigation strategies with partner teams
• Support incidents through emergency detections and containment controls
• Assess zero-day exposure and misconfiguration mitigation plans
• Steer detection catalogues using operational performance measures

Requirements:

• Advanced ability designing and optimizing KQL queries at scale
• Hands-on Sentinel analytics rules, playbooks, connectors, and workbooks
• Cybersecurity experience spanning operations, response, or detection engineering
• Knowledge of Azure, hybrid cloud monitoring, network security, and vulnerabilities
• Excellent communication, documentation, mentoring, and bilingual English-French skills

Bring senior detection engineering leadership, incident expertise, and ATT&CK knowledge to PSP Investments’ Montreal security team.