Security Engineer

Sierra Sierra · AI Frontier · San Francisco, CA · Engineering

Security Engineer role focused on securing an AI platform, including application, cloud, network, and AI agent security. Responsibilities include secure design reviews, threat modeling, implementing automation with AI-based solutions, continuous security posture improvement, and addressing enterprise customer security needs, particularly concerning regulated data.

What you'd actually do

  1. Lead Security for Our Platform.
  2. Collaborate with Cross-Functional Teams.
  3. Implement Automation & Tooling.
  4. Continuously Improve Security Posture.
  5. Enable Enterprise Customer Needs.

Skills

Required

  • application security
  • cloud security (AWS, Azure, or GCP)
  • networking principles
  • programming production software
  • scripting
  • DevOps tools for automation
  • secure coding practices
  • threat modeling
  • vulnerability scanning
  • incident response processes
  • communication skills

Nice to have

  • securing AI systems
  • LLM and Agentic AI risks
  • Infrastructure as Code (Terraform, CloudFormation)
  • building or integrating custom security tools
  • AI/ML for detection or monitoring
  • continuous compliance platforms
  • building control monitoring
  • secure-by-design
  • privacy-by-design
  • data handling
  • anonymization
  • de-identification

What the JD emphasized

  • AI agent security
  • AI security risks
  • healthcare, financial, or other regulated data

Other signals

  • AI agent security
  • AI security risks
  • AI-based solutions