Senior Security & Test Engineer – AI Agent Platform

About the role

We are seeking a Senior Security & Test Engineer to own the security, functional, and performance test suites for our A2A gateway within an enterprise‑grade Agent Development Platform. You will ensure policy enforcement accuracy, perform trust‑model gap analysis, and uphold uniform security and governance standards across the platform.

Key responsibilities

• Own and maintain security, functional, and performance test suites for the A2A gateway.
• Validate Cedar policy enforcement in LOG_ONLY and ENFORCE modes.
• Conduct trust‑model gap analysis for non‑AgentCore A2A agents.
• Design and execute functional and security test strategies for agentic AI systems.
• Build Python‑based security test automation frameworks.
• Perform API performance testing and benchmarking using k6 and Locust.
• Apply AI/LLM threat‑modeling practices to identify risks such as excessive agency and tool‑parameter exfiltration.
• Evaluate trust‑model components including OAuth 2.0, signed Agent Cards, JWT validation, and token‑scope enforcement.

Required profile

• 3+ years of experience in security engineering or quality assurance.
• Strong background in API security testing and performance benchmarking for cloud APIs.
• Experience designing security tests for AI/agent systems beyond traditional REST APIs.
• Proficiency in Python and familiarity with Cedar policy testing.
• Excellent written and spoken English (B2+ level).

Required skills

• Python
• k6
• Locust
• AWS cloud services
• OAuth 2.0
• JWT validation
• Cedar policy testing
• API security testing
• Performance testing tools
• AI/LLM threat‑modeling frameworks (e.g., OWASP Top 10 for LLMs)

What we offer

• Innovative projects with global impact.
• Flexible working environment – office or home.
• Opportunities to work abroad up to two months per year.
• Relocation options across 55+ countries.
• Leadership development, certifications (GCP, Azure, AWS), and unlimited access to internal learning resources.
• Free English classes with certified teachers.