Senior Security Penetration Tester | Data Engineer

A1 TELEKOM AUSTRIA Aktiengesellschaft

Wien, Wien, Österreich
Published Oct 3, 2025
Full-time
Permanent

Job Summary

This role is for a seasoned professional to join the IT & Cyber Security Team, focusing on conducting comprehensive internal and external penetration tests for both external clients and internal digital solutions. Day-to-day responsibilities include analyzing and evaluating complex security concepts and architectures, documenting technical vulnerabilities, and developing internal tools to streamline the pentesting process. A key function is presenting solutions to mitigate security risks and supporting customer teams directly. The ideal candidate must possess a minimum of three years of professional experience in penetration testing, coupled with hands-on expertise in assessing web applications and Windows environments, including Active Directory. Proficiency with industry-standard tools like Burp, Nessus, nmap, and Kali Linux is essential. This position offers significant autonomy, flexible working models, and continuous learning opportunities, making it an attractive opportunity for a security specialist ready to take on challenging assignments.

Required Skills

Education

Not specified

Experience

  • Minimum 3 years professional experience in Penetration Testing
  • Professional experience in IT Security, Penetration Test Team, Computer Incident Response Team (CIRT), Computer Emergency Response Team (CERT), or Security Operations Center (SOC)
  • Professional experience with assessments of Web Applications
  • Professional experience with assessments of Windows Environments (Active Directory)

Languages

German (Fluent)English (Fluent)

Additional

  • Willingness to travel