Penetration Tester: Apps & Infrastructure Security

Keoni; Paris; Hybrid; EUR 55,000 - 90,000; Full time

Job summary

Keoni in Paris is seeking a seasoned penetration tester to strengthen information system security by performing tests on applications, infrastructure, and data flows.

You will conduct security analyses, exploit identified vulnerabilities in a controlled environment, and deliver detailed audit reports plus prioritized remediation recommendations for technical teams and business stakeholders.

Autonomy, rigor, and the ability to explain complex findings to non-specialists are essential.

Qualifications

• Proficiency in penetration testing and security audit methodologies.
• Ability to analyze architectures, data flows and configurations.
• Experience using vulnerability scanning and controlled exploitation tools.

Responsibilities

• Prepare test campaigns with scenarios, prerequisites, and rules of engagement.
• Conduct technical security analyses and targeted penetration tests.
• Document findings with risk levels and remediation recommendations.
• Present results to technical and business stakeholders.

Skills

Penetration testing

Security audit methodologies

Vulnerability analysis

Data flow analysis

Documentation

Communication skills

Tools

OWASP

MITRE ATT&CK

Job description

Keoni in Paris is seeking a seasoned penetration tester to strengthen information system security by performing tests on applications, infrastructure, and data flows.

You will conduct security analyses, exploit identified vulnerabilities in a controlled environment, and deliver detailed audit reports plus prioritized remediation recommendations for technical teams and business stakeholders.

Autonomy, rigor, and the ability to explain complex findings to non-specialists are essential.