Staff Security Engineer, Proactive Security - AI

DoorDash is a technology and logistics company that operates a delivery network serving consumers, merchants, and Dashers. The Staff Security Engineer will lead the development of proactive AI security products, including hardened agents, AI guardrails, and MCP gateways, while partnering across engineering, legal, data, and security teams. The role also includes vulnerability discovery, automated remediation, technical leadership, and mentoring engineers.

Responsibilities:

• Co-lead the technical direction and roadmap for secure and responsible building of AI Security Products at DoorDash
• Partner cross-functionally with Product Engineering, Legal, Security Engineering Platform, Data teams and XFN partners to build “paved road” proactive security controls that enable secure by design AI products into DoorDash eco-system. Examples of AI Security Products this team has built include Hardened Product Agents, AI Guardrails, MCP Gateways and many upcoming AI Hardening initiatives
• Execute rigorous cross-brand AI enabled vulnerability discovery, multi-level harnesses and automated remediation to protect the company against Mythos-era equipped adversaries
• Mentor and coach earlier career engineers, setting and enforcing exceptional standards for Operational Excellence and Software Engineering

Requirements:

• 10+ years of experience as a Security Product Engineer at an Internet scale organization of demonstrated technical leadership building outcomes at global scale
• Master's degree in Computer Science, Security Engineering, a related field or equivalent work experience
• Hands-on experience securing LLM or agentic systems, or demonstrated ability to move quickly into the space from adjacent depth in authorization, sandboxing, or untrusted input handling
• Demonstrated builder in one or more object oriented languages (e.g. Go, Java) designing technical Security Engineering controls and processes to meet business and regulatory requirements
• Exceptional problem solving of complex, systemic issues that require audacious thinking, rigor and creativity
• Exceptional analytical and investigative abilities with hands-on experience leading root cause analysis for security incidents and driving long term roadmaps to remediate
• Exceptional verbal and written communication skills - you will confidently shape and lead the Security Product Engineering within your assigned AI Security domain across core engineering and product teams to security preserving control outcomes