IT Security Specialist

About the company

• trivago is a leading hotel metasearch engine, enabling millions of travelers to compare hotel prices from hundreds of booking sites.
• The company uses cutting-edge technology, real-time auction, and machine learning with petabytes of data.
• Based in Düsseldorf, trivago embraces change and continuous growth.

Responsibilities

• Support the evaluation, security testing, and risk assessment of AI and machine learning tools and AI-driven product features.
• Help monitor AI-powered features for threats such as prompt injection, data leakage, and model misuse.
• Assist in researching emerging AI security threats, attack techniques, and industry best practices.
• Contribute to internal guidelines and documentation for the secure use of AI tools.
• Create, test, and review AI skills and MCP (Model Context Protocol) configurations for secure internal use.
• Collaborate with Engineering, Data, and Security colleagues on AI-related security initiatives.

Requirements

• Currently enrolled at a German university (Immatrikulationsbescheinigung required).
• Studying computer science, IT security, or a related field with genuine interest in AI security.
• Basic understanding of security fundamentals such as common vulnerabilities, threat modeling, or secure system design.
• Familiarity with the OWASP Top 10 for LLM Applications or basic scripting (e.g. Python) is a plus.
• Learning mindset: curiosity, seeking feedback, continuous development.
• Performance mindset: ambitious goals, determination, resilience.
• Open and curious mindset toward AI tools; experimented with LLMs or AI assistants.

Conditions

• Working student role, 20 hours per week.
• Self-determined vacation with a minimum of 25 vacation days.
• Flexible working hours, up to 2 work-from-home days weekly.
• Ability to work remotely from a different location within Germany or selected countries abroad for up to 20 days per year.
• Free access to the Heycare platform for personalized nanny assistance and an on-campus kids room.
• Daily canteen budget, complimentary snacks and drinks, on-site gym, sports classes, and Urban Sports Club membership.
• Ergonomic desks and focused work areas.
• Recruiting process: asynchronous video interview, then technical interview with the team.