Context We are building a next-generation AI-powered knowledge search service (RAG-based, bilingual French/Dutch ) that will support thousands of employees across a large public transport environment. This is the first production AI service on a new enterprise AI Platform — with many more AI use cases to follow. A true flagship project in AI innovation, architecture, and real-world impact. Your Mission As Senior AI Engineer, you will join the Digital Innovation / AI Center of Excellence team during the Build & early Run phases. You will work closely with the AI Platform Architect and Solution Architect to transform a high-level design into a scalable, production-grade AI service. You will bridge LLM engineering, cloud architecture, and real-world enterprise deployment. ⚙️ What you will build You will take ownership of the full AI stack: RAG Pipeline (core engine) Retrieval, reranking & LLM orchestration Citation handling & response grounding Prompt engineering & guardrails Ingestion Layer Connectors (CMS & collaboration platforms) Chunking, embedding & indexing strategy Security & Governance ACL-based security trimming Data access control propagation Evaluation & Quality LLM evaluation framework Performance tuning & monitoring ☁️ Cloud & Infrastructure Terraform-based Infrastructure-as-Code Azure DevOps CI/CD pipelines AKS deployments (Helm-based) AI Platform Stack Azure OpenAI Azure API Management Azure AI Content Safety Vector databases & open-source orchestration on Kubernetes Tech Stack Python Azure DevOps (Advanced) Azure Kubernetes Service (AKS) ☸️ Azure OpenAI Terraform ️ RAG / LLM systems Vector databases What makes this role special ✨ First production AI service on a new enterprise AI platform ✨ Strong ownership: from design → build → run ✨ Hybrid AI architecture (Azure open source on AKS) ✨ Real impact on thousands of daily users ✨ Opportunity to shape future AI services at scale ️ Languages Dutch or French: Native / bilingual English: Full professional proficiency