AI Security Engineer

h3Freelance Assignment: AI Security Engineer /h3 ul libPosition: /b AI Security Engineer /li libContract Type: /b Freelance Assignment /li libStart Date: /b 14 December 2027 /li libLanguages: /b French, Dutch and English
- mandatory /li /ul h3Assignment Overview /h3 pWe are looking for an experienced bAI Security Engineer /b for a freelance assignment in Brussels. /p pThe successful candidate will be responsible for embedding security throughout the AI lifecycle, protecting AI solutions, models, agents, data and integrations. The role also involves enabling the secure and responsible use of AI for security monitoring, threat detection, vulnerability management, patch prioritisation and secure software development. /p pThe assignment requires a pragmatic security professional who can balance innovation with robust security controls, while ensuring that human oversight and accountability remain central to AI adoption. /p h3Key Responsibilities /h3 ul liConduct threat modelling, risk assessments and security reviews for Generative AI, Machine Learning and agentic AI solutions. /li liDesign and implement security guardrails covering identity and access management, least privilege, secrets management, network isolation, data protection, prompt security, tool access, output validation, logging and monitoring. /li liTest AI-specific attack scenarios, including prompt injection, data exfiltration, excessive permissions, untrusted outputs and misuse of AI tools or agents. /li liIntegrate security requirements into sandbox environments, AI gateways, development pipelines, model management, dependency management and production platforms. /li liContribute to the design of security monitoring and incident response processes for AI components, including ownership, audit trails and escalation procedures. /li liAssess third-party AI providers, models, libraries and external AI services, taking supply chain risks into account. /li liTranslate technical security findings into actionable mitigation measures and practical recommendations. /li liCollaborate with security, cloud, architecture, development and business teams to support secure AI adoption. /li /ul h3Must-Have Skills and Experience /h3 pCandidates must demonstrate the following

qualifications:
/p ul libCybersecurity Engineering: /b Proven experience in cybersecurity engineering, cloud security, application security, Identity and Access Management (IAM), Security Operations (SOC) or DevSecOps. /li libAI Security: /b Solid understanding of security risks associated with Large Language Models (LLMs), AI agents, Retrieval-Augmented Generation (RAG) systems and AI model/data supply chains. /li libThreat Modelling and Risk Assessment: /b Practical experience conducting security assessments, identifying vulnerabilities and translating findings into implementable security controls. /li libAI Attack Testing: /b Understanding of AI-specific threats, including prompt injection, data leakage, excessive agency, insecure tool usage and untrusted model outputs. /li libSecurity Architecture and Controls: /b Ability to define and implement security measures across AI applications, APIs, cloud environments, development pipelines and production systems. /li libSecurity Monitoring and Incident Response: /b Understanding of logging, monitoring, auditability and incident response requirements for AI-enabled solutions. /li libRegulatory and Compliance Knowledge: /b Knowledge of GDPR, the EU AI Act, NIS2 or comparable security and regulatory frameworks. /li libCommunication

Skills:
/b Ability to explain complex technical security concepts clearly to both technical and non-technical stakeholders. /li libLanguages: /b Professional working proficiency in French, Dutch and English. All three languages are mandatory. /li libAnalytical and Problem-Solving

Skills:
/b Ability to assess complex technical challenges and develop pragmatic, risk-based security solutions. /li /ul h3Nice-to-Have Skills /h3 pThe following qualifications are considered an advantage: /p ul liExperience in the public sector, G-Cloud environments or institutions related to Belgian social security. /li liExperience embedding security controls into software development processes and cloud platforms. /li liExperience advising stakeholders, structuring technical information and presenting security risks and recommendations. /li liAbility to facilitate multidisciplinary decision-making involving IT, business, security and architecture teams. /li liStrong delivery focus, with the ability to meet deadlines and maintain high-quality standards. /li liInterest in emerging AI technologies, security innovation and continuous experimentation. /li liExperience promoting responsible AI adoption while maintaining appropriate human oversight. /li liAI threat models and security risk assessments. /li liRecommendations for AI security architecture and technical controls. /li liSecurity testing results and prioritised remediation plans. /li