Cyber, Security
Vast dienstverband
Den Haag
Master (EQF 7)
Reageer voor:
Uur p/wk:


Untested systems are unsecured systems. As a security tester, you’ll be testing and validating ENCS members’ critical infrastructures and components to ensure our energy grid security is up to scratch.

This role is for a lead security tester.



As a lead security tester for ENCS, you’ll need to:

  • Independently perform/lead on-site penetration testing for our members and other power companies
  • Independently evaluate functional security of critical infrastructure components in the ENCS lab
  • Guiding other ENCS testers during onside and lab testing activities and mentoring testers in technical matters
  • Drive and implement the ENCS security test strategy by:
    • Developing tools and test cases for evaluating components against security requirements
    • Conducting training and teaching actvities 

Who we’re looking for:

To succeed in this role, you’ll need:

  • A track record of penetration testing in complex systems
  • Strong technical skills built over a minimum of 5 years in security testing
    • Excellent knowledge of TLS and IPSec
    • Good understanding of cryptography
  • Good knowledge of embedded device security and industrial control systems
  • Excellent reporting skills and the ability to summarise and present test findings
  • Experience in the supervision & management of small, agile test teams
  • High motivation and the ability to think and work independently
  • Experience working with customers in a commercial setting
  • Fluency in English
  • A master’s degree or higher

Ideally, you’ll also have expertise in:

  • Power system automation protocols such as IEC 60870-5-101 and -104, Modbus, DNP 3 or ICCP
  • Smart metering protocols such as DLMS, M-Bus, ZigBee or IEC 2017
  • Power line communications protocols such as PRIME or G3

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 office 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 5.800 – EUR 7.000 gross a month based on experience)
  • Health insurance contribution
  • Pension contribution
  • Mobility budget
  • Laptop and mobile phone (also for private use)
  • A delicious lunch every day with the team


Interested in joining us?

We hope so. Please submit your CV in English and a supporting cover letter outlining why you want to work for ENCS 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).+A1:A13.