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In this 6-month internship or master thesis starting in February 2027, you will conduct applied research to build the equivalent of a firewall rule for an agent's toolset: a way to describe what each tool can read and write, rules for allowed combinations, a check before deployment, and monitoring of tool calls at runtime.
Tasks
- Formulate the research questions: what can go wrong when tools are combined, which existing security models can be reused, and what is genuinely new
- Define a model describing tools by what they read and write, the sensitivity of the data they reach, and how much their output can be trusted
- Design a way to express rules over that model and refine them against realistic cases
- Build an analyzer that accepts or rejects a set of tools before deployment, and allows, restricts or blocks tool calls at runtime
- Add monitoring of tool calls with warnings, human escalation and an explainable trace
- Test the approach on realistic setups and adversarial cases, measure security gained versus usefulness lost, and synthesize results in a report
Requirements
- Interest in Large Language Models and Generative AI
- Some proficiency with Python and agentic technologies (e.g. LangChain, MCP)
- Basic understanding of IT security concepts (authentication, authorization, access control)
- Ability to work autonomously on an open research problem and structure your own approach
- Good written and spoken French and English
Benefits
- A dynamic, collaborative workplace with a highly motivated, multicultural team working across international sites
- The chance to work on what could be the next generation of agentic security architecture
- Internal coding events such as Hackathons and Brownbag sessions, plus our technical blog
- Monthly After-Works organized at each location
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Über uns
ELCA Group ist eine unabhängige Schweizer IT-Dienstleistungs- und Lösungsanbieterin. Die Gruppe unterstützt Unternehmen, öffentliche Verwaltungen und Organisationen bei der digitalen Transformation mit IT-Beratung, Softwareentwicklung, Systemintegration, Cybersecurity, Cloud, Data & AI, Digital Experience und Business Applications. Zur ELCA Group gehören spezialisierte Einheiten wie ELCA Informatique, ELCA Cloud Services, ELCA Security, SecuTix, Neosis und weitere Gruppengesellschaften in der Schweiz und im Ausland. Die Gruppe entwickelt individuelle und standardisierte digitale Lösungen für Kundinnen und Kunden aus verschiedenen Branchen.
Das Team
Work with a highly motivated, multicultural team collaborating across international sites.