Senior Penetration Tester – Offensive Security

Euroclear; Poland; Hybrid; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Diverse international environment

Learning and development opportunities

Competitive salary and comprehensive"

Job summary

Euroclear is seeking a Penetration Testing Analyst to join the Offensive Security Tribe within the CISO. You will perform penetration tests on applications and infrastructure, support remediation, and coordinate third‑party engagements to strengthen cyber resilience.

You will work in a hybrid model, applying automation and AI to testing processes, and contribute to security strategy across the organization.

Qualifications

• Experience in penetration testing, ideally within a regulated environment.
• Familiarity with offensive security tools and techniques, including static/dynamic code analysis and vulnerability management.
• Strong understanding of application security principles, including OWASP Top 10 and common attack vectors (e.g., SQLi, XSS, DLL hijacking).
• Knowledge of security design principles (confidentiality, integrity, availability) and ISO27002 standards is a plus.
• Experience with remediation consulting and alternative testing methods is an advantage.

Responsibilities

• Prepare, execute, and deliver penetration tests for regulatory and project needs, primarily focused on applications but also covering infrastructure.
• Support remediation activities and retesting to validate fixes.
• Coordinate third-party testing engagements, including scoping, stakeholder alignment, and result dissemination.
• Maintain documentation and roadmaps for ongoing testing and remediation.
• Advise application owners and project leads on offensive security strategy and testing techniques.
• Contribute to the evolution of offensive security frameworks and processes.
• Represent the Offensive Security team in cross-functional testing discussions and act as a center of competence.
• Support Agile practices, reporting, and continuous improvement initiatives using automation and AI.

Skills

Penetration testing

Offensive security tools

Code analysis

Vulnerability management

Communication skills

Tools

Code analysis tools

Vulnerability scanning tools

OWASP Top 10 knowledge

Job description

Euroclear is seeking a Penetration Testing Analyst to join the Offensive Security Tribe within the CISO. You will perform penetration tests on applications and infrastructure, support remediation, and coordinate third‑party engagements to strengthen cyber resilience.

You will work in a hybrid model, applying automation and AI to testing processes, and contribute to security strategy across the organization.