Senior Security & QA Engineer at EPAM Systems – Lithuania | Jobyssey

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

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.

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Responsibilities

Requirements

Nice to have

Benefits