Back to SearchSenior Security & QA Engineer
Hybrid in Republic of Lithuania, Latvia
Security.Testing& 5 others
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We are seeking a Senior Security & QA Engineer responsible for validating the security, compliance, and reliability of the MCP Server Registry, ensuring proper authentication, credential protection, governance enforcement, and end-to-end registry quality.
Responsibilities
- Validate authentication enforcement and identify credential exposure risks across the registry
- Design and execute functional tests covering CRUD operations and validation rules
- Build and maintain automated test suites using Python and pytest
- Enforce lifecycle constraint testing, such as preventing deletion of active MCPs or setting in-use MCPs as inactive
- Audit AWS CloudTrail logs to confirm compliance and traceability of registry actions
- Assess registry and API endpoints for security vulnerabilities and compliance gaps
- Collaborate with development teams to ensure governance policies are properly enforced throughout the registry lifecycle
Requirements
- 3+ years of experience in security testing or QA engineering
- Experience in registry or API security testing
- Experience in AWS authentication flow testing
- Proficiency in Python test automation with pytest
- Knowledge of lifecycle constraint testing and functional test design for CRUD and validation rules
- Familiarity with AWS CloudTrail audit log validation
- English proficiency at B2 level or higher
Nice to have
- Familiarity with MCP gateway enforcement testing
- Knowledge of Vault secret exposure testing
- Understanding of governance lifecycle gate validation