Penetration Tester

Vivid Resourcing Ltd; Brussel Hoofdstad; Sur place; EUR 70 000 - 110 000; Plein temps

Avantages offerts par ce poste

Group and Health insurances.

Résumé du poste

Vivid Resourcing Ltd in Belgium is hiring a Mid/Senior Penetration Tester to join an Offensive Security team serving clients across Belgium. You will conduct deep-dive, manual security assessments across infrastructure, applications, and cloud environments.

Responsibilities include advanced testing, remediation guidance, reporting, and mentoring junior engineers while maturing testing methodologies and tooling, with occasional travel to client sites.

Qualifications

• 3+ years in penetration testing or offensive security.
• Active certifications: OSCP/OSWE/OSEP; CEH/OSCE/OSWE/OSEP/CRTO are a plus.

Responsabilités

• Plan and execute advanced penetration tests across web apps, mobile apps, networks, APIs, and cloud environments.
• Provide remediation guidance and actionable recommendations to engineering teams.
• Write comprehensive reports and present findings to technical and non-technical stakeholders.
• Mentor junior security engineers and contribute to threat modeling and tooling improvements.

Connaissances

Penetration testing

Scripting

Cloud security

Mentoring

Communication

Formation

OSCP

OSWE

OSEP

CEH

Outils

Cobalt Strike

Burp Suite Pro

Metasploit

Description du poste

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:

• Group and Health insurances.
• Clear progression path in management track or technical track
• Exposure to EU institution and multinational client environments