Security Engineer - Surface Coverage, Detection Engineering

Meta Security is seeking a skilled Security Engineer to bolster our threat detection and response capabilities. You will work closely with software engineers and offensive security specialists to identify critical assets, assess major risks, and evaluate potential attacks against Meta systems. Your responsibilities will include: * Leading cross-functional projects to enhance our ability to effectively detect and respond to security incidents. * Reviewing the security architecture of large-scale custom and commercial systems and independently proposing logging, detection, and prevention controls. * Performing TTP-based threat modeling for a diverse range of assets, including endpoints, mobile devices, servers, internal services, public and private cloud environments, and networking equipment. * Analyzing logs from various sources (e.g., individual host logs, network traffic logs) to identify potential threats and detection ideas. * Building response workflows and actions that automatically resolve false positives and provide context, scaling our ability to investigate security incidents. * Supporting security incident response in a cross-functional environment and driving incident resolution. * Designing and implementing attack testing automation to validate detection coverage. * Building logging pipelines using our custom datasets and infrastructure.