Senior AI Engineer

BelgiumBelgium·Brusselssenior
Machine Learning EngineerData
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Quick Summary

Key Responsibilities

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

Requirements Summary

Dutch or FrenchLevel Native or bilingual proficiencyEnglishLevel Full professional proficiency

Technical Tools
Machine Learning EngineerData

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.


Responsibilities

~1 min read

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.

What We Offer

~1 min read

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.
  • 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

Requirements

~1 min read

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

Location & Eligibility

Where is the job
Brussels, Belgium
On-site at the office
Who can apply
BE

Listing Details

First seen
October 9, 2026
Last seen
October 9, 2026

Posting Health

Days active
0
Repost count
0
Trust Level
56%
Scored at
October 9, 2026

Signal breakdown

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Senior AI Engineer