Brain Co.

AI Application Security Engineer

Brain Co.
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5 months ago

Responsibilities

  • Own secure development practices, including AuthN/AuthZ, secrets management, input handling, secure code review, CI/CD checks, and pre-deployment controls.
  • Conduct threat modeling and translate identified risks into concrete controls, architecture reviews, and security documentation.
  • Define application-layer security models for agents, including tool scoping, permission boundaries, trust boundaries, credential handling, response validation, and user-context protection.
  • Build reusable secure-by-default agent development patterns, review checklists, code-level guardrails, and automated security tooling.
  • Define data protection standards and safeguards for PHI, PII, government records, AI pipelines, agent outputs, access controls, output filtering, and audit logging.
  • Partner with product, ML, platform, and delivery teams to embed security into products shipped to regulated customer environments.
  • Use AI to accelerate threat modeling, security reviews, code analysis, and internal tooling.

Requirements

  • 5+ years of experience in application security or product security with hands-on production-system experience at scale.
  • Strong application security fundamentals, including OWASP Top 10, AuthN/AuthZ, secure SDLC, secrets management, secure integration patterns, and cryptography basics.
  • Understanding of agentic AI security at the product layer, including agent scoping, authorization, and risk review.
  • Experience protecting sensitive data through access controls, audit logging, and controls against exposure through integrations and AI-generated outputs.
  • Ability to build and ship security tooling and collaborate directly with engineering and delivery teams in regulated environments.
  • Bonus: experience with agent security, LLM application security, or authorization and guardrail systems for agentic pipelines.
  • Bonus: familiarity with FedRAMP, HIPAA, SOC 2, or ISO 27001.
  • Bonus: proficiency in Python, Go, or TypeScript for security tooling and automation.
  • Bonus: experience with SAST/DAST tooling or automated security checks in developer workflows at scale.

Benefits

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

Categories

Brain Co.

About Brain Co.

11-50 employees

We're building an AI platform and applications for the world's most important institutions. Learn more at https://brain.co/

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