The Senior Security Engineer, Proactive Security - Platform role at DoorDash focuses on building secure access management and secret storage solutions for the company's infrastructure. The position is part of the Proactive Security Engineering team, which aims to create self-service tools that enhance security while simplifying access for engineers. This role involves collaborating with various engineering teams to integrate security services into existing workflows and ensuring the resilience of these services. The position is remote and reports to the Manager of the Proactive Security Engineering Platform team.

• 6+ years of experience as a Security, Infrastructure or Platform Engineer at an internet scale organization.
• Bachelor’s degree in Computer Science, Security Engineering, a related field or equivalent work experience.
• Strong software engineering skills in one or more object-oriented languages such as Go, Java, or Kotlin.
• Hands-on experience with access management and secret storage systems.
• Working knowledge of identity and authentication standards such as OIDC, SAML, and mTLS.
• Experience with Kubernetes, Terraform, and AWS and/or GCP IAM.

• Design, build and harden paved paths for privileged access, secrets management and identity.
• Threat model, security review and test tier-0 security services and drive findings through to remediation.
• Build self-service tooling, SDKs, Terraform modules and integrations for engineering teams.
• Partner with Core Infrastructure, Compute, Data and product engineering teams for integration.
• Participate in a follow-the-sun on-call rotation for tier-0 security services.
• Help enable the secure adoption of AI tooling and agentic workflows.