Senior Security Engineer, AI Security

Senior Security Engineer, AI Security in the USA

Reddit is looking for a Senior Security Engineer, AI Security to join its IT team in the USA. This senior-level role focuses on helping teams build and ship AI-powered products securely by combining product security judgment with hands-on engineering. The position offers a salary of $190,800.

In this role, you will review AI-powered product designs, threat model LLM and agentic workflows, and build reusable security primitives that scale across Reddit. The position requires a candidate with a Bachelor's degree and 5+ years of experience in product security, application security, software security, security engineering, backend engineering, or security platform engineering.

Key Responsibilities and Background

• Review and threat model AI-powered product features, LLM integrations, agentic workflows, retrieval systems, and internal AI tools before launch.
• Build reusable AI security primitives like guardrails, scanners, policy checks, tool-use controls, registries, sandboxes, and libraries.
• Design security tooling for inference, retrieval, or execution paths to detect and prevent prompt injection, jailbreaks, data leakage, and unsafe code generation.
• Bring strong application security fundamentals, including secure design review, threat modeling, code review, and practical remediation.
• Demonstrate familiarity with AI, LLM, and agentic system risks, along with a practical understanding of infrastructure security concepts such as identity, authorization, containers, and least privilege.

To apply for this senior-level IT opportunity as a Senior Security Engineer, AI Security, please consult Reddit's official careers portal for application details and submission instructions.