Security Engineer (Threat Response), Sophos Security Team (IDR)

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Security Engineer (Threat Response), Sophos Security Team (IDR) based in Canada. This is a senior security engineering role combining hands-on incident response with detection engineering, automation, and threat research. You will investigate complex cyber threats across endpoints, identity, cloud, networks, and security products while helping strengthen internal detection and response capabilities. The role goes beyond traditional incident response, with a strong focus on building scalable automations, reusable workflows, and agentic security tooling. You will use modern AI-assisted development tools while applying rigorous safety, observability, and validation practices. Collaboration spans security, engineering, product, and business teams in a globally coordinated environment. The position is remote-first and offers the opportunity to shape how advanced security operations evolve through engineering and responsible AI adoption.