The senior detection engineer at DoorDash is part of a globally distributed Cyber Defense team focused on enhancing the detection lifecycle to safeguard the company's brands. This hands-on role involves collaborating with various teams to create and optimize detection content across diverse platforms, including cloud infrastructure and corporate endpoints. The engineer will leverage automation and AI to improve detection capabilities and respond swiftly to cyber threats. Participation in an on-call rotation is required, emphasizing the importance of maintaining security across all DoorDash brands.

• 7+ years of experience in secure coding, alert development, and detection engineering.
• Direct experience building, maintaining, and operating a detection-as-code pipeline.
• A proven track record building automation that measurably improved detection accuracy, velocity, or quality.
• Demonstrated experience building agents to effectively and efficiently solve detection problems.
• Extensive knowledge of cloud-based and distributed systems.
• Experience working with global and cross-functional partners, especially incident response, insider risk, and threat hunting teams.
• Mastery of SIEM querying (sql, spl, kql) and programming languages (python, go, etc.).
• Experience translating MITRE ATT&CK, D3FEND, and other industry frameworks into meaningful rationalizations of detection coverage.
• Excellent verbal and written communication, presentation, and stakeholder management skills.
• Experience with Snowflake, Cortex, Google SecOps is preferred.

• Conduct hands-on detection engineering for custom alerting, including implementing risk-based analytics to reduce alert volumes.
• Integrate external signals such as threat intelligence into alerting pipelines tailored to specific use cases.
• Develop and maintain agentic tooling to increase detection efficacy and efficiency.
• Leverage security tooling, logs, and custom telemetry to build detections at scale.
• Work with structured and unstructured telemetry to produce meaningful security signals.
• Maintain detection repositories, use case libraries, and conduct routine content optimization.
• Coordinate with cross-functional teams, internally and externally, on threats targeting DoorDash.
• Participate in and lead projects that improve the security posture of all DoorDash brands.
• Create and maintain standards and documentation to improve service consistency.
• Mentor and uplevel other engineers within the Cyber Defense organization.
• Participate in and support our on-call rotation.