Senior Penetration Tester, Offensive Security

Euroclear; Kraków; Hybrid; PLN 140,000 - 200,000; Full time

Benefits offered by this job

Competitive salary and comprehensive…

Learning and development environment

Knowledge sharing and training

Collaborative, international team

Job summary

Euroclear is seeking a Penetration Testing Analyst within the CISO division. The role focuses on hands-on testing of applications and infrastructure, remediation support, and coordinating external engagements.

You will shape offensive security approaches, contribute to framework evolution, and drive testing activities across teams. Ideal candidates have solid pentesting experience, knowledge of OWASP Top 10, and familiarity with security design principles.

Qualifications

• Experience in penetration testing, ideally in regulated environments.
• Familiarity with offensive security tools and techniques.
• Strong knowledge of application security principles and common attack vectors.

Responsibilities

• Prepare, execute, and deliver penetration tests for apps and infrastructure.
• Support remediation activities and perform retesting to validate fixes.
• Coordinate third-party testing engagements and align stakeholders.
• Document roadmaps for testing and remediation and advise on strategy.
• Contribute to evolving offensive security frameworks and processes.
• Represent the Offensive Security team in cross-functional testing discussions.
• Support Agile practices, reporting, and automation initiatives.

Skills

Penetration testing

Offensive security

OWASP Top 10

Security testing

Code analysis

Vulnerability management

Security frameworks

Cross-functional collaboration

Tools

Static code analysis tools

Dynamic code analysis tools

Remediation tooling

Job description

Euroclear is seeking a Penetration Testing Analyst within the CISO division. The role focuses on hands-on testing of applications and infrastructure, remediation support, and coordinating external engagements.

You will shape offensive security approaches, contribute to framework evolution, and drive testing activities across teams. Ideal candidates have solid pentesting experience, knowledge of OWASP Top 10, and familiarity with security design principles.