Senior Security & Test Engineer (A2A)
We are seeking a Senior Security & Test Engineer (A2A) to own the security, functional and performance test suites for our A2A gateway, focusing on Cedar policy enforcement and agentic AI threat modeling.
Responsibilities
- Own security, functional and performance test suites for the A2A gateway
- Test Cedar policy enforcement correctness across LOG_ONLY and ENFORCE modes
- Conduct trust model gap analysis for non-AgentCore A2A agents
- Validate A2A trust model components including OAuth 2.0, signed Agent Cards and JWT validation
- Enforce token scope requirements across agent communication channels
- Design functional and security test cases for the A2A platform
- Execute performance testing using k6 and Locust
- Verify Cedar policy logic including permit/deny correctness and forbid-overrides-permit rules
- Apply threat modeling practices for agentic AI and LLM systems based on OWASP Top 10 for LLMs
- Identify risks related to excessive agency and tool parameter exfiltration
Requirements
- 3+ years of experience in security engineering or QA
- Expertise in API security testing and performance benchmarking for cloud APIs
- Skills in security test design for AI and agent systems beyond REST APIs
- Background in enforcement mechanism design or implementation
- Proficiency in Python for security test automation
- Knowledge of A2A trust model components (OAuth 2.0, signed Agent Cards, JWT validation)
- English proficiency at B2 level or higher
Nice to have
- Familiarity with multi-agent communication security patterns
- Understanding of trust model gap analysis for non-AgentCore A2A agents
Benefits
- Engineering Heritage: Best-in-class experts sharing a culture of engineering excellence and tackling complex engineering challenges for over 30 years
- Advanced Tech Stack: Innovative projects where you can apply or enhance your expertise in Cloud, Data, AI, and other emerging technologies
- World-Class Clients: Work closely with 340+ of the Forbes Global 2000 on creating disruptive solutions that make a global impact
- Professional Growth: Exceptional support for career development with comprehensive resources for upskilling or reskilling in pioneering practices
- GenAI Community: Strong AI competencies with 600+ experts across 55+ locations driving GenAI-enabled transformation journeys
- Entrepreneurial Culture: If you're passionate and dedicated to improving business transformation, we provide the support you need to bring your ideas to life
- Hybrid Setup: The flexibility to work from any location in Lithuania, whether it's your home or our dynamic offices in Vilnius and Kaunas
- Other Benefits: Additional vacation and trust days, private health insurance, Employee Stock Purchase Plan and more
- Engineering Heritage: Best-in-class experts sharing a culture of engineering excellence and tackling complex engineering challenges for over 30 years.
- Advanced Tech Stack: Innovative projects where you can apply or enhance your expertise in Cloud, Data, AI, and other emerging technologies.
- World-Class Clients: Work closely with 340+ of the Forbes Global 2000 on creating disruptive solutions that make a global impact.
- Professional Growth: Exceptional support for career development with comprehensive resources for upskilling or reskilling in pioneering practices.
- GenAI Community: Strong AI competencies with 600+ experts across 55+ locations driving GenAI-enabled transformation journeys.
- Entrepreneurial Culture: If you're passionate and dedicated to improving business transformation, we provide the support you need to bring your ideas to life.
- Hybrid Setup: The flexibility to work from any location in Latvia, whether it's your home or our office in Riga.
- Other Benefits: Additional vacation and trust days, private health insurance, Employee Stock Purchase Plan and more.