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ThoughtLabs Belgium

Testing Specialist

ThoughtLabs Belgium
Luxembourg · Contract · Mid-Senior

Responsibilities

The Security Testing Specialist will be responsible for:

  • Plan and perform ethical hacking engagements and full-scope penetration tests (web, API, infrastructure, cloud when applicable)
  • Conduct and automate vulnerability scans, analyse results, prioritise risks
  • Perform source code reviews, identify insecure coding patterns, and recommend remediation
  • Support the Secure SDLC, identifying weaknesses early in the lifecycle
  • Produce detailed security assessment reports, test plans, and scripts
  • Analyse root causes of security defects and propose corrective actions
  • Contribute to security architecture evaluations and compliance testing
  • Collaborate with developers, architects, and stakeholders to ensure secure design and implementation

Technical Skills and Tools

Ethical Hacking & Development (Newly Mandatory per Client Feedback)

  • CEH (Certified Ethical Hacker) or equivalent certification
  • Strong development experience (e.g., Python, Java, C#, or similar)
  • Proven experience in secure coding and source code review
  • Solid understanding of application architectures and common coding vulnerabilities

Penetration Testing & Security Tools

  • Hands-on experience with:
  • o Burp Suite, OWASP ZAP, Metasploit
  • o Nessus, Qualys, OpenVAS
  • Scripting languages: Python, Bash, PowerShell
  • OS expertise: Linux and Windows
  • Web & API security: REST, SOAP, JSON, XML
  • Strong knowledge of:
  • o OWASP Top 10
  • o Secure SDLC
  • o DevSecOps practices
  • Desirable:
  • o Knowledge of cloud security controls (Azure, AWS, GCP)
  • o Experience with SIEMs and log analysis
  • o Familiarity with compliance frameworks: ISO 27001, NIST, CIS

Qualifications and Experience

  • Minimum 5 years of experience in cybersecurity testing
  • University degree in IT, engineering, or equivalent experience
  • CEH certification is required
  • Certifications such as OSCP, GIAC, CISSP are advantageous
  • Strong reporting and documentation skills in English
  • Experience in European Institutions or large public-sector IT environments is a plus

Key Skills

Ranked by relevance

python owasp cloud cloud security cybersecurity burp suite nessus cissp linux java bash oscp nist aws c
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Posted
Jan 20, 2026
Type
Contract
Level
Mid-Senior
Location
Luxembourg

Industries

IT Services IT Consulting

Categories

Information Technology

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