Senior Penetration Tester / Security Consultant

Remote · Athens, Attiki, Greece expand job description ↓


Want to join the TwelveSec team? We’re a security firm, specialising in assurance and security management consulting services and we’re looking for a seasoned Penetration Tester who’s interested in joining us. We’re offering top-market salary, a friendly work environment, flexible hours and ability to work from home – as well as a chance to be part of something new and exciting!

We’re looking for a Senior Consultant, so you’ll need to have at least 4 years of working experience as a Penetration Tester and relevant academic qualifications (e.g. a Master’s degree on Information Security or relevant discipline). You’ll also need a strong technical background and good knowledge of security management and governance principles. If you want to intrigue us, let us know if you’ve been involved in OSS projects and/or security community initiatives.

You must be an EU citizen or be eligible to work within the EU.



We’ll expect you to demonstrate a good understanding and previous experience of at least 4 years in the following engagement types (professional references from past employers are welcome):

  • Web App Penetration Testing
  • Network and System (Infrastructure) Penetration Testing
  • Android and iOS Penetration Testing

Nice-to-have (Not obligatory):
Ideally, you should also be competent in the following:

  • JEE Source Code Audit
  • Crypto Analysis
  • OS Hardening
  • Application Threat Modelling
  • Application Risk Assessment / Security Plan Development
  • Python / Ruby Development
  • Java Development
  • Mobile App Development
  • ISO2700x
  • Digital Forensics Investigation
  • Win32 Reverse Engineering

Certifications (Not obligatory):

The following professional certifications will put your CV to the top of our “to call” list (with order of importance):

  • OSCP
  • OSCE
  • OSWP
  • CISM
  • CISA
  • C|EH


Here are some of the benefits of joining the TwelveSec team:

  • Earn a high salary or project-based fee
  • Work in a friendly environment, with good team chemistry
  • Work from home and have flexible hours
  • Get involved in the growth of a new company with more promotion opportunities
  • Gain experience with new types of projects and international trips
  • Improve your CV by getting security certifications with our support
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