Permanent employment
Den Haag
Bachelor (EQF 6), Master (EQF 7)
Apply before:
Hours p/wk:
More information


Job description

In the development of the smart grid millions of devices are being installed to monitor and control the electricity distribution grid. Smart meters are installed in homes, remote terminal units (RTUs) are installed in substations, and electric vehicle charging poles are being installed in cities and along roads. To ensure the reliable delivery of electricity it is crucial that all these components are secure.


Junior network security testers evaluate if such devices are installed in the grid in a secure way. This work is performed through:

  • Penetration testing operational systems. ENCS performs penetration tests of the entire communication chains in critical infrastructures, from the central systems to the devices in the field. Security testers assesses the security of the deployed devices by their configuration, use and traffic.
  • Testing components. To ensure that the components that our members use are secure, ENCS offers its members harmonized sets of requirements to procure smart meters, RTUs and EV chargers. These cover all aspects needed to operate a device in an end-to-end secure manner, from encryption and authentication to access control and logging. It is up to the security testers to assess if the devices are secure. Security testers are responsible for testing these devices, improving the tests and the testing tools.

Required skills

For the role of junior network security tester, we’re looking for someone with the following skills:

  • Bachelor or master degree relevant to security
  • 1-3 years of experience in network security testing
  • Understanding of communication protocols like TCP and UDP
  • Basic programming experience
  • Curious and willing to learn
  • Fluency in English

Additional useful skills are:

  • Security related certifications like OSCP, or willing to obtain
  • Experience with security testing tools like Nessus, Burp, Metasploit
  • Python programing

About ENCS

When infrastructure is critical, so is its security. With an ever more connected electricity grid, cyber security challenges are multiplying every day and demand a new way of thinking from security professionals.

Founded in 2012, the European Network for Cyber security (ENCS) is an independent, non-profit organisation dedicated to enhancing the security of critical energy infrastructures across Europe. Using our network in academia, government and business, we provide cyber security solutions and counsel to utilities and regulators.


Our offer

By joining ENCS you’ll be part of a small, international team of industry experts making a real difference to critical infrastructure cyber security developments in Europe. From our offices in The Hague you’ll work across Europe, giving you the chance to:

  • Work at the forefront of new security developments. Smart grids, electric vehicles, and industrial control systems offer unique security challenges. We are in a leading position to meet these by developing new solutions, finding new classes of vulnerabilities, and setting the standard for smart grid cyber security.
  • Protect society. Keeping the grid secure while it is increasingly automated is critical if our society is to transition to renewable energy. ENCS has a unique position to act on behalf of our members to make sure their systems are secure.
  • Develop your skills in an international environment. ENCS is a small company taking on big challenges. That creates a unique environment for ambitious talent to grow and take on new responsibilities.


  • An attractive salary (EUR 2700 – EUR 4400 / month based on experience)
  • Health insurance contribution
  • Pension contribution
  • Mobility budget
  • Laptop and mobile phone

Interested in joining us?

We hope so. Please submit your CV and a supporting cover letter in English outlining why you want to work For ENCS by e-mail to:  hr@encs.eu

Please note that an employee screening is part of the interview process. All employees of ENCS need to obtain a Police Clearance Certificate/Certificate of Good Conduct (VOG).