AI Offensive Testing Specialist

Base 3

Brussel,  Belgium
On-siteFreelanceDuration 12 months
ITA/B TestingPenetration TestingASNT Non-Destructive TesterAcceptance Test-Driven DevelopmentAutomatic Test EquipmentTest AutomationAutomated Testing FrameworkBlack-Box TestingCloud TestingCertified Software Tester (CSTE)Offensive SecurityOffensive Security Certified ProfessionalFortifyBacktestingPenetration ToolsRed Team (Cyber Security)Risk-Based TestingInformation Technology Security AuditingSecurity TestingSystem TestingTesting StrategiesMetasploitTesting (Hardware)SAP Enterprise Threat Detection (ETD)Artificial Intelligence Markup Language (AIML)Static Application Security TestingDynamic Application Security Testing

Description

Role: The role contributes to transforming the capability from R&D into an operational service by testing workflows, improving prompts and configurations, documenting procedures, supporting integrations and sharing practical feedback from assessment delivery.

As a member of the delivery team, the role performs AI-assisted SAST, DAST, penetration-testing.

Required Qualifications & Experience

  • At least 3 years in application security, penetration testing, offensive security, security engineering or software engineering within enterprise environments.
  • Hands-on knowledge of source-code analysis, SAST, DAST, web and API security testing, penetration testing or red-team techniques.
  • Practical experience using LLMs or AI agents for coding, security analysis, automation or structured technical evaluation.
  • Ability to assess code and asset reachability, exploitability, attack paths, control effectiveness and remediation options.
  • Experience working with secure cloud or containerised environments and handling sensitive source code, credentials and security-assessment data.
  • Coding or Scripting capability and disciplined use of version control, testing, logging and technical documentation.
  • Experience contributing to the operationalisation of an AI, automation or security capability is preferred.

Skills & Competencies

  • Application security, offensive security, SAST, DAST, penetration testing, red teaming and vulnerability validation.
  • LLM and agent usage, prompt configuration, APIs, Python or equivalent automation, testing methods and evidence capture.
  • Web, API, infrastructure, cloud and identity testing; Azure, containers, CI/CD, version control, logging and monitoring.
  • OWASP, CWE, CVE, MITRE ATT&CK or ATLAS, secure coding standards and recognised offensive-testing methodologies.
  • Professional English; French or another European language is an advantage.

Application form