As a Lead Security Engineer at Snap, you will join the Detection & Response team to drive high-impact initiatives across various environments including endpoint, cloud, and network. Your responsibilities include leading complex investigations, enhancing detection coverage for critical systems, designing alerting and triage systems, and building automation for threat hunting and incident response. You will also mentor engineers and collaborate with cross-functional teams to reduce security risks. Ideal candidates have over six years of relevant experience in areas such as detection and response, strong coding skills in Python or Go, and deep knowledge of at least two major operating systems or cloud platforms like macOS, Windows, Linux, Kubernetes, AWS, or GCP. Experience with Google Cloud, SIEM tools, MITRE ATT&CK framework, and security analytics is a plus.