Brainco

Security Engineer, Application & AI

Remote. Posted 6 months ago

The role

You will own the security of products and the application layer, including secure development practices, agent security, and data protection. You will write code, ship security tooling, and work with product and ML engineers to build security into AI products.

What you will do

  • Own secure development practices including AuthN/AuthZ patterns, secrets management, and input handling
  • Integrate security into the development lifecycle through code review, CI/CD pipelines, and pre-deployment checks
  • Conduct threat modeling across product features and release cycles
  • Build and maintain security tooling and automated checks using AI
  • Own the application-layer security model for agentic products
  • Define secure patterns for agent integration with third-party systems and APIs
  • Work with product and ML engineers to define secure agent design patterns
  • Build reusable secure-by-default patterns for agent development
  • Produce security artifacts like threat models and architecture reviews
  • Define and enforce data protection standards for sensitive customer data

Required qualifications

  • 5+ years of experience in application security or product security
  • Hands-on experience on production systems at scale
  • Deep fluency in OWASP Top 10, AuthN/AuthZ, secure SDLC, secrets management, secure integration patterns, and cryptography basics
  • Understanding of the security surface of agentic AI
  • Experience protecting sensitive data at the application layer
  • Ability to work AI-natively using AI to write code and move faster

Nice to have

  • Experience with agent security, LLM application security, or building authorization and guardrail systems for agentic pipelines
  • Familiarity with compliance frameworks relevant to government and healthcare: FedRAMP, HIPAA, SOC 2, ISO 27001
  • Proficiency in Python, Go, or TypeScript for security tooling and automation
  • Experience with SAST/DAST tooling or integrating automated security checks into developer workflows at scale

Benefits

  • Competitive salary plus equity
  • Daily lunches
  • Commuter benefits
  • 401(k)
  • Medical, Dental, and Vision
  • Unlimited PTO

About the company

Brain Co. builds AI-native operating systems for large, regulated institutions. Their proprietary platform is called Atlas.