Staff Security Engineer

Character.AI
Redwood City, CA
Job Description
As a founding member of our security team, you will lead broad-scope initiatives to protect some of the most valuable intellectual property in the world—including our large language models, user data, and reputation.

Requirements

  • Experience: 3–5+ years of experience in infrastructure, application, or product security.
  • Cloud & Orchestration: Hands-on experience with Kubernetes, Docker, and cloud environments such as GCP or AWS.
  • Technical Proficiency: Proficiency in Linux-based server environments and a high degree of comfort with the Linux CLI.
  • Security Domain Knowledge: A deep understanding of web application attack vectors, secure system design at scale, and various SSH key management approaches.
  • Engineering Skills: The ability to understand and contribute code to complex codebases and familiarity with common CI/CD-based workflows.
  • Mindset: A demonstrated ability to work autonomously to identify and resolve problems independently with a proactive 'get things done' mindset.
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