About the Role

We're hiring an Mid / Senior Penetration Tester Specialist to join an Offensive Security team serving clients across Belgium.

In this role, you will go beyond basic automated scanning to conduct deep-dive, manual security assessments across infrastructure, applications, and cloud environments.

Key Responsibilities:

Advanced Testing: Plan and execute sophisticated penetration tests across web applications, mobile apps, network infrastructure, APIs, and cloud environments (AWS/Azure/GCP).

Manual Exploitation: Use creative, manual hacking techniques to bypass security controls and identify flaws that automated scanners miss.

Remediation Guidance: Provide clear, actionable, and developer-friendly guidance to help engineering teams remediate identified vulnerabilities.

Reporting & Communication: Write comprehensive technical reports and present findings confidently to both technical teams and non-technical business executives.

Mentorship: Act as a technical resource and mentor for junior level security engineers.

Process Improvement: Help mature our security testing methodologies,



develop custom tools/scripts to automate repetitive tasks, and contribute to threat modeling exercises.

Requirements:

• 3+ years in penetration testing, or offensive security

• OSCP or OSWE or OSEP required; CEH, OSCE, OSWE, OSEP, or CRTO a strong plus

• Strong scripting/programming ability (Python, C, Power Linux, or similar)

• Deep knowledge of OWASP Top 10, Active Directory attack paths, and cloud security

misconfigurations

• Experience with common offensive tooling (Cobalt Strike, Burp Suite Pro, Silver, Metasploit)

• Fluent English; French or Dutch a strong advantage for local client work

• Willingness to travel occasionally to client sites across Belgium

What's on Offer:

• Salary: €5,200+

• Company car

• Meal vouchers

• NET Allowances

• Group and Health insurances.

• Clear progression path in management track or technical track

• Exposure to EU institution and multinational client environments

📌 Penetration tester (España)
🏢 Vivid Resourcing
📍 España