Senior Detection Engineer, Protective Services

Responsibilities

• Conduct hands-on detection engineering for Protective Services, translating threat intelligence, investigative needs, known incidents, and observed behavior into high-quality custom alerting
• Implement risk-based analytics that reduce unnecessary alert volume, prioritize meaningful threats, and give investigators the context to act
• Build, test, deploy, and operate detection-as-code pipelines that support reliable detection at DoorDash’s scale
• Develop and maintain automation and agentic tooling that improve detection efficacy, streamline investigative workflows, and reduce repetitive work
• Own the detection lifecycle from hypothesis and data validation through deployment, tuning, measurement, and retirement; maintain detection repositories and use case libraries
• Conduct technical triage and investigations, correlate signals across sources, assess confidence and scope, and help Protective Services partners determine the appropriate response
• Create and maintain engineering standards, testing practices, and documentation that improve service consistency and reliability

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