Medior AI Engineer – Production LLMs & RAG Brussels Hybrid

Adjugo; Brussel Hoofdstad; Hybrid; EUR 70,000 - 110,000; Full time

Benefits offered by this job

Hybrid work model

On-site in Brussels 2-3 days/week

Job summary

STIB-MIVB is seeking a Medior AI Engineer to own production operations for AI services inside the AI Center of Excellence. You’ll monitor availability, latency and errors, drive cost efficiency, and collaborate with the internal AI Platform Architect and other engineers.

You’ll maintain ingestion pipelines, ensure data protection, and manage Terraform/Helm/DevOps artefacts across DEV, TST, ACC and PROD environments.

Qualifications

• RAG (Retrieval-Augmented Generation) intermediate proficiency.
• English: full professional proficiency.
• Dutch or French: native or bilingual proficiency (one of the two languages).

Responsibilities

• Operate the AI services in production: monitor availability, latency and errors, handle incidents and service requests, analyse root causes, then fix or elevate.
• Maintain evaluation sets and track answer quality, non-answer rate and user feedback.
• Operate the ingestion pipelines: incremental refresh, failed documents, index health, and onboarding of new content sources.
• Operate agent integrations: monitor tool and integration calls to business systems, handle failures and timeouts, and review logs.
• Maintain Terraform, Helm and Azure DevOps artefacts, and keep DEV, TST, ACC and PROD environments consistent.
• Apply data protection rules: trace retention, erasure and access restrictions.

Skills

RAG proficiency

English proficiency

Dutch/French bilingual

Tools

Azure DevOps

AKS (Azure Kubernetes Service)

Azure OpenAI Service

LangChain

LLM / Large Language Models

Python

Terraform

Vector databases

Job description

STIB-MIVB is seeking a Medior AI Engineer to own production operations for AI services inside the AI Center of Excellence. You’ll monitor availability, latency and errors, drive cost efficiency, and collaborate with the internal AI Platform Architect and other engineers.

You’ll maintain ingestion pipelines, ensure data protection, and manage Terraform/Helm/DevOps artefacts across DEV, TST, ACC and PROD environments.