AI Expert

AI Expert – Generative AI & LLM

Location: Brussels, Belgium
Work Model: Hybrid – minimum 2 days on-site per week
Start Date: 19 October 2026
End Date: 31 December 2027
Languages
Dutch and/or French: Passive knowledge (an asset)
English: Professional proficiency

Mission: We are looking for a Senior AI Expert with strong hands-on expertise in Generative AI, Large Language Models (LLMs), Responsible AI, and AI Governance to lead enterprise-scale AI initiatives within a telecom environment.

Key Responsibilities
Lead the architecture, design and delivery of GenAI and LLM-based solutions across customer support, network operations, sales, fraud detection and automation.
Design advanced LLM solutions using RAG, agentic workflows, orchestration and tool integration .
Build and optimize solutions using LangGraph, Python, embeddings, vector databases and prompt engineering .
Drive LLM fine-tuning, evaluation, safety alignment and performance optimization .
Establish AI governance, model lifecycle management and approval processes.
Ensure alignment with the EU AI Act, GDPR and telecom regulatory requirements .
Implement Responsible AI principles including transparency, explainability, robustness, auditability and human oversight .
Define controls for high-risk AI systems, including logging, traceability, risk assessments and technical documentation.
Collaborate with Legal, Compliance, Security, Data Protection, Engineering and Data Science teams.
Mentor technical teams and contribute to enterprise-wide AI standards.

Required Experience & Skills
10+ years of experience across AI, Machine Learning or Software Engineering.
Deep expertise in GenAI, LLMs, NLP and Conversational AI .
Strong hands-on experience with RAG, embeddings, vector databases and prompt engineering .
Strong proficiency in Python and LangGraph .
Experience with modern ML frameworks such as PyTorch or TensorFlow .
Experience with LLMOps/MLOps, CI/CD, monitoring and model lifecycle management .
Cloud experience with Azure, AWS or GCP .
Understanding of IAM, encryption, data access controls and secure AI deployment .
Experience deploying AI solutions within regulated enterprise environments .

Telecom Domain Expertise
Strong telecom experience is highly valued, particularly across:
CRM and OSS/BSS systems
Telecom customer journeys and digital channels
Call centres, chatbots, voice bots and self-service platforms
Telecom datasets including CDRs, network metrics and customer data
AI-driven CX improvement, AHT reduction, churn prediction and operational automation

AI Governance & Regulatory Knowledge
Candidates should have practical knowledge of the EU AI Act , including AI risk classification, high-risk system controls, human-in-the-loop mechanisms, auditability and documentation, together with a strong understanding of GDPR, data minimisation, consent and data residency .

Leadership
You should be comfortable engaging with senior stakeholders, explaining complex AI risks and opportunities, influencing enterprise AI decisions and mentoring cross-functional engineering and data teams.

Education
Master's or PhD in Computer Science, Artificial Intelligence, Data Science, or a related discipline is preferred. Equivalent senior-level enterprise experience will also be considered.

Interested?
If you are an experienced AI professional combining hands-on GenAI/LLM engineering, telecom domain knowledge, and AI governance expertise , we would be interested in hearing from you.

Apply via LinkedIn or send your CV to hr@onetechsolutions.be