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# Working Student - IT Security Specialist

- **Company:** trivago GmbH
- **Location:** Düsseldorf, Germany (Remote available)
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Cyber Security, Information Leak Prevention, Python (Programming Language), Open Web Application Security, Scripting, Application Enhancement Tool, Large Language Models, Information Technology, Model Context Protocol
- **Published:** October 23, 2026
- **Apply:** https://careers.trivago.com/apply/?gh_jid=8885174002

## About the Role

* Currently enrolled at a German university (Immatrikulationsbescheinigung required).
 * Studying computer science, IT security, or a related field, with a genuine interest in how AI systems can be attacked, misused, or secured.
 * A 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.
 * A genuine learning mindset: you approach challenges with curiosity, seek out feedback, and continuously look for ways to develop and grow.
 * A performance mindset: you set ambitious goals for yourself and have the determination and resilience to follow through and achieve them.
 * An open and curious mindset toward AI tools: you've experimented with LLMs or AI assistants and enjoy exploring how they can enhance your work, and how they can be broken.

## Description

As part of our IT Security team, you'll help protect trivago's systems, data, and users where cybersecurity meets artificial intelligence. Working closely with Engineering, Data, and AI teams, you'll support how we securely adopt new AI-powered tools across the company. In this working student role (20 hours per week), you'll gain hands-on experience of how a fast-moving tech company secures its AI systems in practice. You'll support real security assessments of AI and machine learning tools, help investigate emerging risks like prompt injection and data leakage, and contribute ideas that shape how trivago uses AI responsibly. You'll learn from experienced security professionals, while your curiosity and ideas have real influence. trivago is a place where ambition and support go hand in hand: we hold high standards and genuinely invest in each other's growth., * 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., We offer self-determined vacation (with a minimum of 25 vacation days), flexible working hours, up to 2 work from home days weekly. Additionally you can work remotely from a different location, within Germany or selected countries abroad for up to 20 days per year. You also get free access to the Heycare platform for personalized nanny assistance, and an on-campus kids room.

Enjoy your office days.
Use your daily canteen budget to share lunch with colleagues in our canteen, help yourself to complimentary snacks and drinks in our kitchens, choose from a variety of fitness options with our on-site gym, sports classes, and Urban Sports Club membership, and enjoy the comfort of ergonomic desks and focused work areas.