Senior Security & Test Engineer - A2A

EPAM Systems is a global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and startups. The team is building an Enterprise Agent Development Platform, a production-grade cloud-native ecosystem for defining, orchestrating, deploying, and observing AI agents at scale.

• 5+ years of experience in security engineering or quality assurance
• Knowledge of the A2A trust model including OAuth 2.0 signed Agent Cards and JWT validation with token scope enforcement
• Proficiency in Python for security test automation
• Skills in functional and security test design
• Experience in performance testing using k6 and Locust with benchmarking for cloud APIs
• Expertise in Cedar policy testing including permit/deny correctness and LOG_ONLY vs ENFORCE mode
• Background in agentic AI/LLM threat modeling covering OWASP Top 10 for LLMs
• Expertise in API security testing
• Experience in security test design for AI/agent systems beyond REST APIs
• Experience in enforcement mechanism design or implementation

Nice to have:

• Familiarity with multi-agent communication security patterns
• Background in trust model gap analysis for non-AgentCore A2A agents

• 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
• Design and execute functional and security test plans for agentic AI systems
• Validate authentication and authorization flows across agent communication channels
• Identify and mitigate security risks specific to agentic AI and LLM-based systems
• Collaborate with engineering teams to strengthen the platform's overall security posture
• Report and track defects, vulnerabilities, and performance bottlenecks uncovered during testing

Benefits are available only to employees. Contractor B2B cooperation terms are individually agreed. EPAM will contact selected candidates exclusively. Consent to data processing by EPAM Systems (Poland) sp. z o.o. is required for recruitment.