Internship: AI Integration Engineer (LLM & RAG for Enterprise Document Management)

ELCA's Mosaic IIM Solutions is Switzerland's expert for tailor-made Intelligent Information Management, helping organizations streamline digital processes, reduce costs, and maximize information security across diverse projects and various industries. In this internship, with **planned start date in September 2026** , your objective is to build an AI-powered knowledge assistant that connects Mosaic's product documentation and configuration sources with a large language model, to achieve a complex product knowledge base instantly accessible to business analysts and users. **Your responsibilities** * Analyze and consolidate existing product documentation spread across multiple platforms (Confluence, Wikis, JIRA, YouTrack) to build a structured knowledge base for LLM integration * Design and implement a Retrieval-Augmented Generation (RAG) pipeline that connects Mosaic IIM's information sources with a large language model * Build and iterate on an AI-powered search and summarization tool that helps business analysts and product users find and extract relevant information faster * Integrate external information sources and tools using modern integration protocols such as MCP (Model Context Protocol) * Develop functionality that allows users to query the current product configuration, e.g. to verify consistency or retrieve configuration details on demand * Collaborate closely with experienced software architects and product experts to understand complex domain logic and translate it into AI-accessible knowledge structures * Support testing and evaluation of the AI tool, including accuracy of retrieved information and quality of generated summaries * Document your solution architecture, integration approach and findings in a clear and reproducible way **What we offer** * Mentorship from an experienced team * Diverse and challenging projects (internal and client projects) * A stimulating and collaborative environment **Your profile** * You have completed a bachelor's or master's degree in Computer Science, Data Science, AI or a related field * You have solid knowledge of LLMs, RAG architectures and how to integrate them with existing information sources, ideally including hands-on project experience * You are comfortable with standard development tools and languages such as Java, Python or Angular, and work confidently in environments like IntelliJ * You have a structured, analytical mindset and enjoy breaking down complex systems into understandable components * You work independently, communicate proactively and are motivated to deliver something that has real impact for end users * Fluency in German and English (verbally and written); French is a plus * Experience with developer tools like IntelliJ, Openshift or similar platforms is a plus We believe in strong values and are convinced that diversity is the key to success. Anyone who approaches challenges with curiosity, motivation, and drive is exactly right for us! **Let yourself be inspired by our motto: We make it work!**