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Senior Security Engineer (Pen Tester) (Montreal)

Company: Menlo Security

Location: montreal (administrative region), London

Posted: June 15, 2026

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Position Details

Overview

Menlo Security's mission is enabling the world to connect, communicate and collaborate securely without compromise. We are growing and seeking a forward-thinking Security Engineer to join our team, focusing on offensive and defensive security, the penetration testing of product features, and the cloud architecture supporting the product.

Key Responsibilities

  • Collaborative Penetration Testing (AWS & GCP): Work with a peer pentester to conduct deep-dive penetration tests across our multi-cloud environment.
  • Control Plane: Review IAM policies, service configurations, and cloud-native permission structures.
  • Data Plane & Web UI: Execute dynamic testing against web interfaces and API endpoints.
  • Infrastructure Review: Assess the security posture of a hybrid infrastructure that mixes containers and Virtual Machines (VMs).
  • Vulnerability Reporting & Advisory: Triaging findings and creating transparent, reproducible p...