Permanent employment
Bachelor (EQF 6), Master (EQF 7)
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Hours p/wk:


Are you looking for a new opportunity in a fast-moving global company with a family feel? A job where you could have an impact?


We are looking for a Penetration Tester to support the RHEA Security Services Business Unit.


As a Penetration Tester, you will be involved on a variety of activities, from commercial customers to European Institutions and the European Space Agency (ESA). You will have the opportunity to work in a challenging environment with state-of-the-art technologies and challenging security projects. If you have a passion or interest for cybersecurity and would like to join a team of cyber experts with diverse backgrounds, then you are in the right place! At RHEA you will have the opportunity to work and learn in an exciting environment and participate in unique cybersecurity projects for ESA, NATO and the European Commission.


Tasks and Activities

The scope of work will include:

  • Conducting penetration testing, vulnerability assessments, and security audits of various systems and applications.
  • Identifying and reporting security vulnerabilities and weaknesses in the customer’s IT systems and processes.
  • Developing and executing test plans, scenarios, and test cases to evaluate the security of systems and applications.
  • Communicating findings and recommendations to stakeholders and management.
  • Staying current with industry trends and the latest threats, technologies, and methodologies related to security and penetration testing.

Skills and Experience

The following skills and experience are mandatory:

  • A Bachelor’s or Master’s degree in computer science, engineering, IT or a related field.
  • At least five years proven work experience as Penetration Tester or Security Engineer.
  • Strong knowledge of networking, operating systems, and web technologies.
  • Experience with penetration testing tools, methodologies, and techniques.
  • Two years of experience in security principles such as attack frameworks, threat landscapes, and attacker tactics, techniques and procedures.
  • Familiarity with security standards and frameworks such as MITRE, OWASP, NIST, and SANS.
  • Relevant certifications (e.g., OSCP, CEH, GPEN).
  • Experience in delivery of operations services or specification of solutions for cyber defence or security operations including some of the following:
    • ISO 27000 series standards
    • Cybersecurity frameworks such as NIST
    • Cloud Computing or virtual machine security
    • Cyber defence or continuous monitoring solutions
  • Knowledge in one or more of the following:
    • Information security concepts involving incident detection, analysis, decision support and response
    • Network security technologies
    • End system architectures and operating systems such as Windows and Linux.
  • Strong communication skills.
  • Experience in customer expectations management.
  • A problem solver and able to find your way around in extreme situations.
  • Good analytic and problem-solving capabilities.
  • Detail-oriented.
  • Effective time management and self organizational skills.
  • Comfortable working in multicultural environments.
  • Experience in cybersecurity for space, defence, critical infrastructure, finance or government systems.
  • Eligible for an EU security clearance.

Why should you apply?

  • You will have the opportunity to work within a major institution.
  • We encourage everyone to think outside the box and to push the boundaries of traditional knowledge. This role is an opportunity to join a forward-thinking company and allows for a deeper understanding of the industry.
  • Benefits include: competitive remuneration packages; unique career opportunities, including working in other countries; personalized training and development programmes; flexible relocation support.

We welcome applications from people with disabilities, members of ethnic minorities, all genders, LGBTQ+ individuals and ex-service personnel.