Senior Security & Test Engineer - A2A

EPAM Systems

Remote · PolandSalary not disclosedfull-timeEPAM Systems Careers (remote abroad)

We are looking for a Senior Security & Test Engineer to join our team building an Enterprise Agent Development Platform, a production-grade cloud-native ecosystem that enables engineering teams to define, orchestrate, deploy and observe AI agents at scale. This role focuses on securing the A2A gateway within a platform that standardizes agent development using LangGraph and Strands Agents on AWS AgentCore Runtime, reducing agent development time from months to days while enforcing consistent security, quality and governance standards.

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
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

Languages

Work format: Remote
Seniority: Senior
Posted: 29 Sept 2026
Last verified: In the last 5 days

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