Principal Security Engineer

Düsseldorf, Germany


  • Investigate and use the most recent security tools and technology
  • Participate in the process of handling product security incidents and follow the correction strategies
  • Determine, examine, and evaluate the organisational and technological cybersecurity vulnerabilities
  • Implement Machine Learning into high level security concepts
  • Perform cybersecurity assessment of products. Carry out advanced security tests on Telco /IoT/ Hardware /Application/Network/OT -Equipment
  • Internal and external communications about product security-related matters
  • Conduct security research and devise new attack techniques within the Telco & IoT fields
  • Document and report penetration test results to stakeholders


  • Familiar with development languages (such as C/C++, JAVA, PHP, Python, JSP)
  • Basic knowledge of penetration test standards like OWASP, OSSTM
  • Strong team spirit, communication skills, and sense of responsibility, fast learner
  • Major in a Cybersecurity/Telecommunications related field or relevant Security Certifications & Professional experience
  • Understanding of Network Technologies: TCP/IP and UDP, knowledge of the OSI model
  • Good English and/or German writing and speaking skills
  • Operating Systems (Linux, Unix, Windows, iOS, Android)


  • Familiar with 5G/4G/2G architectures and most common attacks
  • Experience with telecommunication roaming networks and architecture (GRX, IPX)
  • Relevant security certifications (OSCP, OSWE, OSWE, eWPT, eWPTX, eCPT, eCPTXv2, eCRE, OSWP)
  • Custom firmware extraction and modification, MMC/NAND/SPI flash data extraction and re-flashing

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    Advertised By:

    Jack Maskell
    Principal Consultant - Technology

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