Senior AI Engineer

Il y a 14 heures

Brussels, Brussels-Capital, Belgique Keystone Solutions Temps plein
Mission Overview: Keystone Solutions is seeking a Senior AI Engineer to join a consultancy mission at a client site, focusing on the development of innovative AI services. This role involves working closely with internal teams to transform complex AI projects into operational services. Role

Responsibilities:
As a Senior AI Engineer, you will be responsible for delivering various components of AI services under Keystone Solutions' consultancy model. Your

key responsibilities
will include:
• Delivering the RAG pipeline end-to-end, from retrieval strategy to answer generation.
• Creating the ingestion pipeline: connectors to source platforms, chunking, embedding, incremental refresh.
• Implementing security trimming and ACL propagation.
• Managing agent orchestration, prompt templates, and guardrails.
• Setting up evaluation and tracing: offline evaluation sets, retrieval and answer-quality metrics, end-to-end tracing of requests and agent steps.
• Producing Terraform, Helm, and Azure DevOps artifacts needed for service deployment and operation.
• Ensuring observability and cost control: instrumentation for latency, token consumption, and run cost, plus quality regression detection after model or prompt changes.
• Providing hypercare and early production support: incident analysis, tuning, runbooks, documentation, and handover of the service to the engineer responsible for the Run phase. Why Join Keystone Solutions? By joining Keystone Solutions, you will

experience:
• Consultancy Nature: Engage in on-site work, embodying the consultant identity.
• Dynamic Projects: Tackle a variety of challenges across different client environments.
• Turbo-Charged Learning: Benefit from professional development and broad learning experiences.
• Skyrocketing Ambition: Enjoy a commitment to career growth within our framework.
• Values: As a If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal. Duration: As soon as possible
- 02/11/2026 4 weeks
• (full time) Skills required:
• Azure DevOps
- Level: Advanced
- Most recent: This year
• Azure Kubernetes Service
- AKS
- Level: Advanced
- Most recent: This year
• Azure OpenAI Service
- Level: Advanced
- Most recent: This year
• LangChain
- Level: Intermediate
- Most recent: Any time
• LLM / Large Language Models
- Level: Advanced
- Most recent: This year
• Python
- Level: Advanced
- Most recent: This year
• RAG (Retrieval-Augmented Generation)
- Level: Advanced
- Most recent: This year
• Terraform
- Level: Advanced
- Most recent: This year
• Vector databases
- Level: Intermediate
- Most recent: This year Language

requirements:
Dutch or French Level Native or bilingual proficiency English Level Full professional proficiency