Senior Security Engineer II – Threat Detection & Response

Job description

About the Role Sigma is seeking a Senior Security Engineer- Detection & Response (Threat-Informed Defense) to join our Security Engineering team.You will act as the technical SME for threat Intelligence, detection and response, partnering across Security, Platform, Product, and Engineering to reduce risk and improve resilience at scale. You will bridge the gap between Cyber Threat Intelligence (CTI) and actionable defense, shaping our security architecture to withstand modern adversary tactics before they manifest in our environment. In this role you will not just administer the platforms. You'll write production-grade code, engineer scalable detections, automate response, and develop proactive threat controls using deep knowledge of cloud, identity, application, and data attack paths. What You’ll Do: - Adversary Response Planning: Develop and maintain a comprehensive adversary response strategy, mapping organizational risks to specific threat actor TTPs (Tactics, Techniques, and Procedures). - Cross-Functional Leadership: Act as a Subject Matter Expert to Infrastructure, Engineering, and security teams. Guide these partners in implementing proactive security controls, ensuring tha...