Staff Site Defense Engineer: Real-Time DDoS & ML Ingress

Reddit is seeking a Staff Software Engineer for the Site Defense team within its Infrastructure org. You will design and own critical systems that guard Reddit at internet scale, with focus on low-latency, distributed architectures and real-time traffic classification.

You will mentor engineers, collaborate with Security and Safety teams, and drive end-to-end ownership of security-focused services while exploring ML-at-Ingress initiatives.