Security Engineer, Insider Threat

DoorDash is building a scalable and reliable delivery network to support its marketplace. The Security Engineer for Insider Threat will be responsible for investigating anomalous events and behaviors that may pose risks to the company, while also developing detection and investigation capabilities.

Responsibilities:

• Use monitoring and detection platforms to investigate anomalous activity for potential insider risk, and develop detections to proactively identify similar behaviors at scale
• Support the onboarding, implementation, and improvement of custom tooling designed to alert on anomalous behaviors
• Create and maintain a use case library to inform detections, and develop corresponding playbooks, leveraging version-controlled workflows (e.g., Git) to ensure consistency and scalability
• Create standard operating procedures and cross-functional processes to govern investigation and response collaboration between teams
• Leverage and help develop agentic and AII-assisted workflows to automate and scale insider threat investigations and detection capabilities
• Prepare investigative reports and briefings for leadership
• Maintain chain-of-evidence and engage with External Law Enforcement, when required
• Lead training or other education and awareness opportunities for the enterprise as required

Requirements:

• 2-5+ years of experience in insider threat investigations, incident response, or federal law enforcement
• Strong verbal and written communication skills with experience presenting findings to stakeholders
• Experience conducting ethical, complex investigations in partnership with Legal, HR, and cross-functional stakeholders
• Hands-on experience with insider risk and security tooling including SIEM/SOAR platforms, UEBA, UAM, and DLP tools
• Proficiency querying large-scale datasets to support investigations (e.g. SQL) and familiarity with log sources, data pipelines, and parsing
• Familiarity with scripting and automation, and experience working in cloud and distributed environments using version control