Expert AI Architect – LLM & GenAI Integration

Pauwels Consulting; Brussel Hoofdstad; Hybrid; EUR 90,000 - 130,000; Full time

Job summary

Pauwels Consulting in Belgium is seeking an Expert AI Architect to define and monitor the target architecture for AI, ensuring alignment with security and privacy requirements across models, data flows, and agents.

You will lead the development of reference architectures for on‑prem, cloud, and hybrid deployments, guide teams from PoC to production, and translate ADRs into pragmatic guardrails with a strong focus on governance.

Qualifications

• 8+ years of experience in solution architecture or IT architecture within complex enterprise environments.
• 3+ years of experience with API, event-driven, and integration patterns.
• 3+ years of experience translating security and privacy requirements into architectural principles and guardrails.
• 1+ years of experience with LLM and AI platform architectures including retrieval, model serving, and observability.
• Experience with ADRs, reference architectures, and lifecycle management.
• Proactive in analyzing complex issues and translating them into pragmatic solutions.
• Strong communicator capable of explaining technical concepts to diverse stakeholders.
• Fluent in Dutch and French with passive knowledge of English.

Responsibilities

• Develop and maintain the target architecture for generative AI, ML, and agentic AI.
• Establish reference architectures and decision patterns for on-prem, cloud, and hybrid deployments.
• Define architectural frameworks for AI Gateways, Model Context Protocols, retrieval, and model access.
• Guide delivery teams through architecture choices from proof-of-concept to production.
• Integrate privacy, least privilege, and data minimization by design in collaboration with security teams.
• Identify and prioritize reusable platform and integration building blocks for the internal development platform.

Skills

Solution architecture

API patterns

Event-driven architecture

Security by design

Privacy by design

ADR

Reference architectures

Stakeholder communication

Dutch language

French language

Job description

Our client, a prominent organization in the public sector, is looking for an Expert AI Architect to define and monitor the target architecture for artificial intelligence. The project focuses on ensuring models, agents, and data flows align coherently with the broader architecture while meeting security and privacy requirements.

Responsibilities

• Develop and maintain the target architecture for generative AI, machine learning, and agentic AI.
• Establish reference architectures and decision patterns for on-premises, cloud, and hybrid deployments.
• Define architectural frameworks for AI Gateways, Model Context Protocols, retrieval, and model access.
• Guide delivery teams through architectural choices and transitions from proof-of-concept to production.
• Integrate privacy, least privilege, and data minimization principles by design in collaboration with security teams.
• Identify and prioritize reusable platform and integration building blocks for the internal development platform.

Requirements

• 8+ years of experience in solution architecture or IT architecture within complex enterprise environments.
• 3+ years of experience with API, event-driven, and integration patterns.
• 3+ years of experience translating security and privacy requirements into practical architecture principles and guardrails.
• 1+ years of experience with LLM and AI platform architectures including retrieval, model serving, and observability.
• You possess experience with Architectural Decision Records (ADR), reference architectures, and lifecycle management.
• You're proactive in analyzing complex issues and translating them into pragmatic solutions.
• You're a strong communicator capable of explaining technical concepts to both technical and non-technical stakeholders.
• You are fluent in Dutch and French with passive knowledge of English.

Nice to Haves

• Experience within the public sector or similar large-scale administrative contexts.
• Knowledge of G-Cloud or specific governmental cloud environments.

Offer

• Start date: 14/12/2026
• Duration: 12 months
• Work regime: Full-time
• Location: Brussels
• Working model: Hybrid (part-time remote)
• Contract: open to both permanent employees and freelancers