AI Security Engineer

Keystone Solutions; Brussel; On-site; EUR 70,000 - 110,000; Full time

Job summary

Keystone Solutions is seeking an AI Security Engineer for a client-site consultancy in Belgium. You will secure the AI lifecycle across models, agents, data, and integrations while ensuring responsible AI practices through detection, vulnerability management, patch prioritization, and secure development.

The role emphasizes securing GenAI/ML solutions, implementing guardrails, conducting risk assessments, and aligning with GDPR and AI act requirements.

Qualifications

• Experience in cybersecurity engineering, cloud security, IAM, SOC or DevSecOps.
• Understanding of risks with LLMs, agents, retrieval and data supply chains.
• Experience with security testing and technical risk assessments.
• Ability to enable innovation with proportional controls without reducing security to a checklist.
• Knowledge of GDPR, AI Act, NIS2 or similar frameworks.
• Familiarity with public sector contexts like G-Cloud or OISZ is a plus.

Responsibilities

• Conduct threat modeling, risk, and security assessments for GenAI, ML, and agentic AI solutions.
• Develop guardrails for identity, least privilege, secrets, network isolation, data and prompt security, tool usage, output validation, logging, and monitoring.
• Test abuse scenarios, including prompt injection, data exfiltration, excessive permissions, unreliable output, and misuse of tools or agents.
• Integrate security requirements into sandboxes, gateways, pipelines, model and dependency management, and production platforms.
• Assist in designing security monitoring and incident response for AI components, including ownership, audit trails, and escalation.
• Evaluate vendors, models, libraries, and external AI services as part of supply chain risk.

Job description

Mission Overview

As an AI Security Engineer, you will build security throughout the entire AI lifecycle. This consultancy mission at a client site representing Keystone Solutions focuses on protecting AI solutions, models, agents, data, and integrations while ensuring responsible AI application for detection, analysis, vulnerability management, patch prioritization, and secure development.

Mission Overview

As an AI Security Engineer, you will build security throughout the entire AI lifecycle. This consultancy mission at a client site representing Keystone Solutions focuses on protecting AI solutions, models, agents, data, and integrations while ensuring responsible AI application for detection, analysis, vulnerability management, patch prioritization, and secure development.

Responsibilities

• Conduct threat modeling, risk, and security assessments for GenAI, ML, and agentic AI solutions.
• Develop guardrails for identity, least privilege, secrets, network isolation, data and prompt security, tool usage, output validation, logging, and monitoring.
• Test abuse scenarios, including prompt injection, unwanted data exfiltration, excessive permissions, unreliable output, and misuse of tools or agents.
• Integrate security requirements into sandboxes, gateways, pipelines, model and dependency management, and production platforms.
• Assist in designing security monitoring and incident response for AI components, including ownership, audit trails, and escalation.
• Evaluate vendors, models, libraries, and external AI services as part of supply chain risk.

Technical Competencies

• Proven experience in cybersecurity engineering, cloud security, application security, IAM, SOC, or DevSecOps.
• Understanding of specific risks associated with LLMs, agents, retrieval, model, and data supply chains.
• Experience with security testing, technical risk assessments, and translating findings into actionable measures.
• Ability to enable innovation with proportional controls, without reducing security to a checklist.
• Knowledge of GDPR, AI Act, NIS2, or similar frameworks.
• Familiarity with the public sector, G-Cloud, or OISZ context is a plus.

Generic Competencies

• Innovation: You keep up with the latest trends and experiment with innovative AI technologies.
• Problem-solving: You analyze complex issues and translate them into pragmatic solutions.
• Collaboration: You work smoothly with colleagues from various disciplines (IT, business, security, architecture).
• Communication: You can clearly explain technical concepts to both technical and non-technical stakeholders.
• Advising: You excel in structuring, visualizing, advising, and guiding multidisciplinary decision-making.
• Result-oriented: You monitor deadlines and ensure quality deliverables.

Why Join Keystone Solutions

At Keystone Solutions, you will engage in dynamic projects that offer a variety of challenges across different client environments. Our consultancy model emphasizes on-site work, allowing you to grow as a consultant while benefiting from turbo-charged learning experiences. We are committed to your career growth within our framework, and being a 'K-Stone' means bringing our core values to every engagement.

Duration

14/12/2026 - 13/12/2027 12 months

• (full time)

Skills required

• AI-securityrisico’s: LLM’s, agents, retrieval en model- en datasupply chains. - Level: Junior - Most recent: Any time
• Ervaring met het integreren van beveiligingsmaatregelen in softwareontwikkeling en cloudplatformen. - Level: Confirmed - Most recent: Any time
• Kennis van GDPR, AI Act, NIS2 of vergelijkbare frameworks. - Level: Junior - Most recent: Any time
• Security engineering: cybersecurity, cloud, applicaties, IAM, SOC of DevSecOps. - Level: Confirmed - Most recent: Any time
• Security testing en technische risicoanalyses vertalen naar uitvoerbare maatregelen. - Level: Junior - Most recent: Any time

Language requirements

Dutch
Level Active knowledge

English
Level Active knowledge

French
Level Active knowledge