Penetration Tester

JUST ONE, on behalf of its client, a well-known company acting in the Cyber Security and Cyber Defense in Greece & abroad, is looking for a :

Penetration Tester

The Role

The Penetration tester will conduct and supervise security testing against clients’ information technology infrastructure and/or standalone web and mobile applications, on remote and on-site engagements, following established testing methodologies in order to assess the Technical Risk and suggest remediation actions to the clients.

You must have :

  • At least 3 years experience exclusively as a Penetration Tester in a well-known cyber security firm

  • A concrete knowledge of Penetration Testing fundamentals (CREST CPSA / OSCP level )

  • Sound understanding of TCP/IP networking, operating systems' (Windows/Linux) internals and Web/Mobile application technologies

  • Senior-level proficiency on Web Application Penetration Testing, manually driven through an intercepting proxy and according to OWASP web testing methodology

  • Senior-level proficiency on Mobile Application Penetration Testing, both client app and server-side tests, according to OWASP mobile testing methodology

  • Ability to undertake end-to-end projects with minimum supervision


  • Performs advanced Penetration Tests (infrastructure, web/mobile applications) without supervision, leads Red Teaming engagements, owns and runs key client and large-scale engagements.

  • Compiles and delivers professional grade reports to client that include the identified vulnerabilities, the exploitation outcome along with recommendations to negate these vulnerabilities or mitigate the associated risk to an acceptable level according to industry best practices.

  • Contributes to projects’ scoping, performs post-test debriefs and onsite presentations to clients.

  • Supervises engagements and reviews deliverables.

  • Performs research with objective to document new testing techniques and adapt them in department’s testing methodologies.

  • Ensures proper execution of department processes and procedures.

  • Mentors and supports less experienced team members. Supervises and contributes on on-the-job training.

  • Maintains proficiency in security technologies, testing methods, deep knowledge of IT and web/mobile application technologies.

The company offers:

  • Competitive Compensation package

  • Career development and growth opportunities

  • Continuous training in new technologies and tools

To apply, please send your CV at with the reference ''PEN''

95 Προβολές