AI-Driven Offensive Security Tester

Next Ventures; Brussel Hoofdstad; Hybrid; EUR 90.000 - 120.000; Vollzeit

Zusammenfassung

Next Ventures, a leading international financial services organisation, seeks an AI Offensive Testing Specialist to join the CISO Offensive Security team in Belgium. You will perform AI-assisted SAST, DAST and red-team assessments, validate findings and help operationalise an AI security-testing capability.

Location: Belgium/France/UK/Netherlands with hybrid work (eight days onsite per month). Strong Python scripting, SAST/DAST expertise and experience with LLMs are required.

Qualifikationen

• Three+ years in application security, pentesting or security engineering within enterprise environments.
• Hands-on source-code analysis, SAST/DAST, web/API security testing, pentesting or red-team techniques.
• Experience using LLMs or AI agents for coding, security analysis or automation.
• Ability to assess exploitability, attack paths and remediation options.

Aufgaben

• Execute AI-assisted SAST, DAST, pen-testing and red-team assessments within scope and rules of engagement.
• Prepare testing environments, context, endpoints and credentials.
• Configure and operate LLMs, AI agents, prompts and tools to support security analysis.
• Validate findings for accuracy, reachability and exploitability; filter false positives.
• Produce evidence-rich reports with affected assets and remediation recommendations.
• Collaborate with developers to explain findings and retest fixes.
• Improve prompts, workflows and runbooks for reusable testing patterns.
• Support integrations and operational readiness with appropriate human oversight.

Kenntnisse

Python

SAST/DAST

Offensive security

Technical reporting

English proficiency

Tools

LLMs

AI agents

SAST/DAST tools

Jobbeschreibung

Next Ventures, a leading international financial services organisation, seeks an AI Offensive Testing Specialist to join the CISO Offensive Security team in Belgium. You will perform AI-assisted SAST, DAST and red-team assessments, validate findings and help operationalise an AI security-testing capability.

Location: Belgium/France/UK/Netherlands with hybrid work (eight days onsite per month). Strong Python scripting, SAST/DAST expertise and experience with LLMs are required.